RED (+ NWCD, Orpheus) Upload Assistant

Accurate filling of new upload/request and group/request edit forms based on foobar2000's playlist selection (via pasted output of copy command), release integrity check, two tracklist layouts, colours customization, featured artists extraction, image fetching from store and more. As alternative to pasted playlist, e.g. for requests creation, valid URL to product page on supported web can be used -- see below for list of supported sites.
当前为 2019-09-29 提交的版本，查看最新版本。
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// ==UserScript==
// @name         RED (+ NWCD, Orpheus) Upload Assistant
// @namespace    https://greasyfork.org/users/321857-anakunda
// @version      1.147
// @description  Accurate filling of new upload/request and group/request edit forms based on foobar2000's playlist selection (via pasted output of copy command), release integrity check, two tracklist layouts, colours customization, featured artists extraction, image fetching from store and more. As alternative to pasted playlist, e.g. for requests creation, valid URL to product page on supported web can be used -- see below for list of supported sites.
// @author       Anakunda
// @iconURL      https://redacted.ch/favicon.ico
// @match        https://redacted.ch/upload.php*
// @match        https://redacted.ch/torrents.php?action=editgroup*
// @match        https://redacted.ch/requests.php?action=new*
// @match        https://redacted.ch/requests.php?action=edit*
// @match        https://notwhat.cd/upload.php*
// @match        https://notwhat.cd/torrents.php?action=editgroup*
// @match        https://notwhat.cd/requests.php?action=new*
// @match        https://notwhat.cd/requests.php?action=edit*
// @match        https://orpheus.network/upload.php*
// @match        https://orpheus.network/torrents.php?action=editgroup*
// @match        https://orpheus.network/requests.php?action=new*
// @match        https://orpheus.network/requests.php?action=edit*
// @connect      file://*
// @connect      *
// @grant        GM_xmlhttpRequest
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_deleteValue
// @grant        GM_log
// ==/UserScript==
 
// The pattern for built-in copy command or custom Text Tools quick copy command, which is handled by this helper is:
//   [$fix_eol(%album artist%,)]$char(30)[$fix_eol(%album%,)]$char(30)[$if3(%date%,%ORIGINAL RELEASE DATE%,%year%)]$char(30)[$if3(%releasedate%,%retail date%,%date%,%year%)]$char(30)[$fix_eol($if3(%label%,%publisher%,%COPYRIGHT%),)]$char(30)[$fix_eol($if3(%catalog%,%CATALOGNUMBER%,%CATALOG NUMBER%,%labelno%,%catalog #%,%barcode%,%UPC%,%EAN%,%MCN%),)]$char(30)[%country%]$char(30)%__encoding%$char(30)%__codec%$char(30)[%__codec_profile%]$char(30)[%__bitrate%]$char(30)[%__bitspersample%]$char(30)[%__samplerate%]$char(30)[%__channels%]$char(30)[$if3(%media%,%format%,%source%,%MEDIATYPE%,%SOURCEMEDIA%,%discogs_format%)]$char(30)[$fix_eol(%genre%,)]|[$fix_eol(%style%,)]$char(30)[$num(%discnumber%,0)]$char(30)[$num($if2(%totaldiscs%,%disctotal%),0)]$char(30)[$fix_eol(%discsubtitle%,)]$char(30)[%track number%]$char(30)[$num($if2(%totaltracks%,%TRACKTOTAL%),0)]$char(30)[$fix_eol(%title%,)]$char(30)[$fix_eol(%track artist%,)]$char(30)[$if($strcmp($fix_eol(%performer%,),$fix_eol(%artist%,)),,$fix_eol(%performer%,))]$char(30)[$fix_eol($if3(%composer%,%writer%,%SONGWRITER%,%author%,%LYRICIST%),)]$char(30)[$fix_eol(%conductor%,)]$char(30)[$fix_eol(%remixer%,)]$char(30)[$fix_eol($if2(%compiler%,%mixer%),)]$char(30)[$fix_eol($if2(%producer%,%producedby%),)]$char(30)%length_seconds_fp%$char(30)%length_samples%$char(30)[%replaygain_album_gain%]$char(30)[%album dynamic range%]$char(30)[%__tool%][ | %ENCODER%][ | %ENCODER_OPTIONS%]$char(30)[$fix_eol($if2(%url%,%www%),)]$char(30)$directory_path(%path%)$char(30)[$replace($replace($if2(%comment%,%description%),$char(13),$char(29)),$char(10),$char(28))]$char(30)$trim([RELEASETYPE=$replace($if2(%RELEASETYPE%,%RELEASE TYPE%), ,_) ][COMPILATION=%compilation% ][ISRC=%isrc% ][EXPLICIT=%EXPLICIT% ][ORIGINALFORMAT=%ORIGINALFORMAT% ][ASIN=%ASIN% ][DISCOGS_ID=%discogs_release_id% ][SOURCEID=%SOURCEID% ][BPM=%BPM% ])
//
// List of supported domains for online capturing of release details:
//
// Music releases:
// - qobuz.com
// - highresaudio.com
// - bandcamp.com
// - prestomusic.com
// - discogs.com
// - supraphonline.cz
// - bontonland.cz
// - nativedsd.com
//
// Ebooks releases:
// - martinus.cz, martinus.sk
// - goodreads.com
// - databazeknih.cz
//
// Application releases:
// - sanet.st
 
'use strict';
 
const isRED = document.domain.toLowerCase().endsWith('redacted.ch');
const isNWCD = document.domain.toLowerCase().endsWith('notwhat.cd');
const isOrpheus = document.domain.toLowerCase().endsWith('orpheus.network');
 
const isUpload = document.URL.toLowerCase().includes('/upload\.php');
const isEdit = document.URL.toLowerCase().includes('/torrents.php?action=editgroup');
const isRequestNew = document.URL.toLowerCase().includes('/requests.php?action=new');
const isRequestEdit = document.URL.toLowerCase().includes('/requests.php?action=edit');
 
var prefs = {
  set: function(prop, def) { this[prop] = GM_getValue(prop, def) },
  save: function() {
	for (var iter in this) { if (typeof this[iter] != 'function') GM_setValue(iter, this[iter]) }
  },
};
prefs.set('remap_texttools_newlines', 0); // convert underscores to linebreaks (ambiguous)
prefs.set('clean_on_apply', 0); // clean the input box on successfull fill
prefs.set('keep_meaningles_composers', 0); // keep composers from file tags also for non-composer emphasis works
prefs.set('always_hide_dnu_list', 0); // risky!
prefs.set('single_threshold', 8 * 60); // Max length of single in s
prefs.set('EP_threshold', 28 * 60); // Max time of EP in s
prefs.set('auto_preview_cover', 1);
prefs.set('auto_rehost_cover', 1);
prefs.set('fetch_tags_from_artist', 0); // add n most used tags from release artist (if one) - experimental
prefs.set('always_request_perfect_flac', 0);
prefs.set('request_default_bounty', 0);
prefs.set('ptpimg_api_key');
// tracklist specific
prefs.set('tracklist_style', 1); // 1: classical, 2: propertional right aligned
prefs.set('max_tracklist_width', 80); // right margin of the right aligned tracklist. should not exceed the group description width on any device
prefs.set('title_separator', '. '); // divisor of track# and title
prefs.set('pad_leader', ' ');
prefs.set('tracklist_head_color', '#4682B4'); // #a7bdd0
prefs.set('tracklist_single_color', '#708080');
// classical tracklist only components colouring
prefs.set('tracklist_disctitle_color', '#008B8B');
prefs.set('tracklist_classicalblock_color', 'Olive');
prefs.set('tracklist_tracknumber_color', '#8899AA');
prefs.set('tracklist_artist_color', '#889B2F');
prefs.set('tracklist_composer_color', '#556B2F');
prefs.set('tracklist_duration_color', '#4682B4');
 
document.head.appendChild(document.createElement('style')).innerHTML = `
.ua-messages { text-indent: -2em; margin-left: 2em; }
.ua-messages-bg { padding: 15px; text-align: left; background-color: darkslategray; }
.ua-critical { color: red; font-weight: bold; }
.ua-warning { color: #ff8d00; font-weight: 500; }
.ua-info { color: white; }
 
.ua-button { vertical-align: middle; background-color: transparent; }
.ua-input {
  width: 610px; height: 3em;
  margin-top: 8px; margin-bottom: 8px;
  background-color: antiquewhite;
  font-size: small;
}
`;
 
var ref, tbl, elem, child, tb, messages = null, domparser = new DOMParser(), dom;
 
if (isUpload) {
  ref = document.querySelector('form#upload_table > div#dynamic_form');
  if (ref == null) return;
  common1();
  let x = [];
  x.push(document.createElement('tr'));
  x[0].classList.add('ua-button');
  child = document.createElement('input');
  child.id = 'fill-from-text';
  child.value = 'Fill from text (overwrite)';
  child.type = 'button';
  child.style.width = '13em';
  child.onclick = fill_from_text;
  x[0].append(child);
  elem.append(x[0]);
  x.push(document.createElement('tr'));
  x[1].classList.add('ua-button');
  child = document.createElement('input');
  child.id = 'fill-from-text-weak';
  child.value = 'Fill from text (keep values)';
  child.type = 'button';
  child.style.width = '13em';
  child.onclick = fill_from_text;
  x[1].append(child);
  elem.append(x[1]);
  common2();
  ref.parentNode.insertBefore(tbl, ref);
} else if (isEdit) {
  ref = document.querySelector('form.edit_form > div > div > input[type="submit"]');
  if (ref == null) return;
  ref = ref.parentNode;
  ref.parentNode.insertBefore(document.createElement('br'), ref);
  common1();
  child = document.createElement('input');
  child.id = 'append-from-text';
  child.value = 'Fill from text (append)';
  child.type = 'button';
  child.onclick = fill_from_text;
  elem.append(child);
  common2();
  tbl.style.marginBottom = '10px';
  ref.parentNode.insertBefore(tbl, ref);
} else if (isRequestNew) {
  ref = document.getElementById('categories');
  if (ref == null) return;
  ref = ref.parentNode.parentNode.nextElementSibling;
  ref.parentNode.insertBefore(document.createElement('br'), ref);
  common1();
  child = document.createElement('input');
  child.id = 'fill-from-text-weak';
  child.value = 'Fill from URL';
  child.type = 'button';
  child.onclick = fill_from_text;
  elem.append(child);
  common2();
  child = document.createElement('td');
  child.colSpan = 2;
  child.append(tbl);
  elem = document.createElement('tr');
  elem.append(child);
  ref.parentNode.insertBefore(elem, ref);
} else if (isRequestEdit) {
  ref = document.querySelector('input#button[type="submit"]');
  if (ref == null) return;
  ref = ref.parentNode.parentNode;
  ref.parentNode.insertBefore(document.createElement('br'), ref);
  common1();
  child = document.createElement('input');
  child.id = 'append-from-text';
  child.value = 'Fill from text (append)';
  child.type = 'button';
  child.onclick = fill_from_text;
  elem.append(child);
  common2();
  tbl.style.marginBottom = '10px';
  elem = document.createElement('tr');
  child = document.createElement('td');
  child.colSpan = 2;
  child.append(tbl);
  elem.append(child);
  ref.parentNode.insertBefore(elem, ref);
}
 
if ((ref = document.getElementById('image') || document.querySelector('input[name="image"]')) != null) {
  ref.ondblclick = clear0;
  ref.onmousedown = clear1;
  ref.ondrop = clear0;
}
 
function clear0() { this.value = '' }
function clear1(e) { if (e.button == 1) this.value = '' }
 
function common1() {
  tbl = document.createElement('tr');
  tbl.style.backgroundColor = 'darkgoldenrod';
  tbl.style.verticalAlign = 'middle';
  elem = document.createElement('td');
  elem.style.textAlign = 'center';
  child = document.createElement('textarea');
  child.id = 'UA data';
  child.name = 'UA data';
  child.classList.add('ua-input');
  child.spellcheck = false;
  //child.ondblclick = clear0;
  child.onmousedown = clear1;
  child.ondrop = clear0;
  //child.onpaste = fill_from_text;
  elem.append(child);
  tbl.append(elem);
  elem = document.createElement('td');
  elem.style.textAlign = 'center';
}
function common2() {
  tbl.append(elem);
  tb = document.createElement('tbody');
  tb.append(tbl);
  tbl = document.createElement('table');
  tbl.id = 'upload assistant';
  tbl.append(tb);
}
 
// if (prefs.always_hide_dnu_list && (ref = document.querySelector('div#content > div:first-of-type')) != null) {
//   ref.style.display = 'none'; // Hide DNU list (warning - risky!)
// }
 
if ((ref = document.getElementById('yadg_input')) != null) ref.ondrop = clear0;
 
Array.prototype.includesCaseless = function(str) {
  return typeof str == 'string' && this.find(it => it.toLowerCase() == str.toLowerCase()) != undefined;
};
Array.prototype.pushUnique = function(...items) {
  items.forEach(it => { if (!this.includes(it)) this.push(it) });
  return this.length;
};
Array.prototype.pushUniqueCaseless = function(...items) {
  items.forEach(it => { if (!this.includesCaseless(it)) this.push(it) });
  return this.length;
};
// Array.prototype.getUnique = function(prop) {
//   return this.every((it) => it[prop] && it[prop] == this[0][prop]) ? this[0][prop] : null;
// };
Array.prototype.equalTo = function(arr) {
  return arr instanceof Array && arr.length == this.length && arr.sort().toString() == this.sort().toString();
}
 
const excludedCountries = [
  /\b(?:United States|USA?)\b/,
  /\b(?:United Kingdom|Great Britain|England|GB|UK)\b/,
  /\b(?:Europe|European Union|EU)\b/,
  /\b(?:Unknown)\b/,
];
 
class TagManager extends Array {
  constructor() {
	super();
	this.presubstitutions = [
	  [/\b(?:Singer\/Songwriter)\b/i, 'singer.songwriter'],
	  [/\b(?:Pop\/Rock)\b/i, 'pop.rock'],
	  [/\b(?:Folk\/Rock)\b/i, 'folk.rock'],
	];
	this.substitutions = [
	  [/^(?:Alternative)(?:\s+and\s+|\s*[&+]\s*)(?:Indie)$/i, 'alternative', 'indie'],
	  [/^(?:Alternativ)(?:\s+und\s+|\s*[&+]\s*)(?:indie)$/i, 'alternative', 'indie'],
	  [/^(?:Alternatif)(?:\s+et\s+|\s*[&+]\s*)(?:Inde)$/i, 'alternative', 'indie'],
	  [/^Pop(?:\s+and\s+|\s*[&+]\s*)Rock$/i, 'pop', 'rock'],
	  [/^Pop\s*(?:[\-\−\—\–]\s*)?Rock$/i, 'pop.rock'],
	  [/^Rock(?:\s+and\s+|\s*[&+]\s*)Pop$/i, 'pop', 'rock'],
	  [/^Rock\s*(?:[\-\−\—\–]\s*)?Pop$/i, 'pop.rock'],
	  [/^AOR$/, 'album.oriented.rock'],
	  [/^(?:Prog)\.?\s*(?:Rock)$/i, 'progressive.rock'],
	  [/^Synth[\s\-\−\—\–]+Pop$/i, 'synthpop'],
	  [/^Soul(?:\s+and\s+|\s*[&+]\s*)Funk$/i, 'soul', 'funk'],
	  [/^Funk(?:\s+and\s+|\s*[&+]\s*)Soul$/i, 'soul', 'funk'],
	  [/^World(?:\s+and\s+|\s*[&+]\s*)Country$/i, 'world.music', 'country'],
	  [/^Jazz Fusion\s*&\s*Jazz Rock$/i, 'jazz.fusion', 'jazz.rock'],
	  [/^(?:Singer(?:\s+and\s+|\s*[&+]\s*))?Songwriter$/i, 'singer.songwriter'],
	  [/^(?:R\s*(?:[\'\’\`][Nn](?:\s+|[\'\’\`]\s*)|&\s*)B|RnB)$/i, 'rhytm.and.blues'],
	  [/\b(?:Soundtracks?)$/i, 'score'],
	  [/^(?:Electro)$/i, 'electronic'],
	  [/^(?:Metal)$/i, 'heavy.metal'],
	  [/^(?:NonFiction)$/i, 'non.fiction'],
	  [/^(?:Rap)$/i, 'hip.hop'],
	  [/^(?:NeoSoul)$/i, 'neo.soul'],
	  [/^(?:NuJazz)$/i, 'nu.jazz'],
	  [/^(?:Hardcore)$/i, 'hardcore.punk'],
	  [/^(?:garage)$/i, 'garage.rock'],
	  [/^(?:Ambiente)$/i, 'ambient'],
	  [/^(?:Neo[\s\-\−\—\–]+Classical)$/i, 'neoclassical'],
	  [/^(?:Bluesy[\s\-\−\—\–]+Rock)$/i, 'blues.rock'],
	  [/^(?:Be[\s\-\−\—\–]+Bop)$/i, 'bebop'],
	  [/^(?:Chill)[\s\-\−\—\–]+(?:Out)$/i, 'chillout'],
	  [/^(?:Atmospheric)[\s\-\−\—\–]+(?:Black)$/i, 'atmospheric.black.metal'],
	  [/^GoaTrance$/i, 'goa.trance'],
	  [/^Female\s+Vocal\w*$/i, 'female.vocalist'],
	  // Country aliases
	  [/^(?:Canada)$/i, 'canadian'],
	  [/^(?:Australia)$/i, 'australian'],
	  [/^(?:Japan)$/i, 'japanese'],
	  [/^(?:Taiwan)$/i, 'thai'],
	  [/^(?:China)$/i, 'chinese'],
	  [/^(?:Russia|USSR)$/i, 'russian'],
	  [/^(?:France)$/i, 'french'],
	  [/^(?:Germany)$/i, 'german'],
	  [/^(?:Spain)$/i, 'spanish'],
	  [/^(?:Italy)$/i, 'italian'],
	  [/^(?:Sweden)$/i, 'swedish'],
	  [/^(?:Norway)$/i, 'norwegian'],
	  [/^(?:Finland)$/i, 'finnish'],
	  [/^(?:Greece)$/i, 'greek'],
	  [/^(?:Netherlands|Holland)$/i, 'dutch'],
	  [/^(?:Belgium)$/i, 'belgian'],
	  [/^(?:Denmark)$/i, 'danish'],
	  [/^(?:Austria)$/i, 'austrian'],
	  [/^(?:Portugal)$/i, 'portugese'],
	  [/^(?:Switzerland)$/i, 'swiss'],
	  [/^(?:Czech\s+Republic|Czechia)$/i, 'czech'],
	  [/^(?:Slovak\s+Republic|Slovakia)$/i, 'slovak'],
	  [/^(?:Poland)$/i, 'polish'],
	  [/^(?:Hungary)$/i, 'hungarian'],
	  [/^(?:Yugoslavia)$/i, 'yugoslav'],
	  [/^(?:Brazil)$/i, 'brazilian'],
	  [/^(?:Mexico)$/i, 'mexican'],
	  [/^(?:Argentina)$/i, 'argentinean'],
	  [/^(?:Jamaica)$/i, 'jamaican'],
	];
	this.additions = [
	  [/^(?:(?:(?:Be|Post|Neo)[\s\-\−\—\–]*)?Bop|Modal|Fusion|Free[\s\-\−\—\–]+Improvisation|Jazz[\s\-\−\—\–]+Fusion|Big[\s\-\−\—\–]*Band)$/i, 'jazz'],
	  [/^(?:(?:Free|Cool|Avant[\s\-\−\—\–]*Garde|Contemporary|Vocal|Instrumental|Crossover|Modal|Mainstream|Modern|Soul|Smooth|Piano|Latin|Afro[\s\-\−\—\–]*Cuban)[\s\-\−\—\–]+Jazz)$/i, 'jazz'],
	  [/^(?:Opera)$/i, 'classical'],
	  [/\b(?:Chamber[\s\-\−\—\–]+Music)\b/i, 'classical'],
	  [/\b(?:Orchestral[\s\-\−\—\–]+Music)\b/i, 'classical'],
	  [/^(?:Symphony)$/i, 'classical'],
	];
	this.removals = [
	  /^(?:Unknown)$/i,
	  /^(?:Other)$/i,
	  /^(?:Ostatni)$/i,
	].concat(excludedCountries);
  }
 
  add(...tags) {
	var added = 0;
	for (var tag of tags) {
	  if (typeof tag != 'string') continue;
	  this.presubstitutions.forEach(k => { if (k[0].test(tag)) tag = tag.replace(k[0], k[1]) });
	  tag.split(/\s*[\,\/\;\>\|]+\s*/).forEach(function(tag) {
		tag = tag.normalize("NFD").
		  replace(/[\u0300-\u036f]/g, '').
		  replace(/\(.*?\)|\[.*?\]|\{.*?\}/g, '').
		  trim();
		if (tag.length <= 0 || tag == '?') return null;
		function test(obj) {
		  return obj instanceof RegExp && obj.test(tag)
			|| typeof obj == 'string' && tag.toLowerCase() == obj.toLowerCase();
		}
		if (this.removals.some(k => test(k))) {
		  addMessage('Warning: bad tag \'' + tag + '\' found', 'ua-warning');
		  return;
		}
		for (var k of this.additions) {
		  if (test(k[0])) added += this.add(...k.slice(1));
		}
		for (k of this.substitutions) {
		  if (test(k[0])) { added += this.add(...k.slice(1)); return; }
		}
		tag = tag.
		  replace(/^(?:Alt\.)\s*(\w+)$/i, 'Alternative $1').
		  replace(/\b(?:Alt\.)(?=\s+)/i, 'Alternative').
		  replace(/^[3-9]0s$/i, '19$0').
		  replace(/^[0-2]0s$/i, '20$0').
		  replace(/\b(Psy)[\s\-\−\—\–]+(Trance|Core|Chill)\b/i, '$1$2').
		  replace(/\s*(?:[\'\’\`][Nn](?:\s+|[\'\’\`]\s*)|[\&\+]\s*)/, ' and ').
		  replace(/[\s\-\−\—\–\_\.\,\'\`\~]+/g, '.').
		  replace(/[^\w\.]+/g, '').
		  toLowerCase();
		if (tag.length >= 2 && !this.includes(tag)) {
		  this.push(tag);
		  ++added;
		}
	  }.bind(this));
	}
	return added;
  }
  toString() {
	return this.length > 0 ? this.sort().join(', ') : null;
  }
};
 
if ((ref = document.getElementById('categories')) != null) {
  ref.addEventListener('change', function(e) {
	elem = document.getElementById('upload assistant');
	if (elem != null) elem.style.visibility = this.value < 4
		|| ['Music', 'Applications', 'E-Books', 'Audiobooks'].includes(this.value) ? 'visible' : 'collapse';
  });
}
 
return;
 
function fill_from_text(e) {
  var overwrite = this.id == 'fill-from-text';
  var clipBoard = document.getElementById('UA data');
  if (clipBoard == null) return false;
  const urlParser = /^\s*(https?:\/\/[\S]+)\s*$/i;
  messages = document.getElementById('UA messages');
  //let promise = clientInformation.clipboard.readText().then(text => clipBoard = text);
  //if (typeof clipBoard != 'string') return false;
  var i, matches, url, category = document.getElementById('categories');
  if (category == null && document.getElementById('releasetype') != null
	  || category != null && (category.value == 0 || category.value == 'Music')) return fill_from_text_music();
  if (category != null && (category.value == 1 || category.value == 'Applications')) return fill_from_text_apps();
  if (category != null && (category.value == 2 || category.value == 3
	|| category.value == 'E-Books' || category.value == 'Audiobooks')) return fill_from_text_books();
  return category == null ? fill_from_text_apps() || fill_from_text_books() : false;
 
  function fill_from_text_music() {
	if (messages != null) messages.parentNode.removeChild(messages);
	const divs = ['—', '⸺', '⸻'];
	var track, tracks = [], totalDiscs = 1, media;
	if (urlParser.test(clipBoard.value)) return init_from_url_music(RegExp.$1);
	function ruleLink(rule) { return ' (<a href="https://redacted.ch/rules.php?p=upload#r' + rule + '" target="_blank">' + rule + '</a>)' }
	var albumBitrate = 0, totalTime = 0;
	for (iter of clipBoard.value.split(/[\r\n]+/)) {
	  if (!iter.trim()) continue; // skip empty lines
	  let metaData = iter.split('\x1E');
	  track = {
		artist: metaData.shift().trim() || undefined,
		album: metaData.shift().trim() || undefined,
		album_year: safeParseYear(metaData.shift().trim()),
		release_date: metaData.shift().trim() || undefined,
		label: metaData.shift().trim() || undefined,
		catalog: metaData.shift().trim() || undefined,
		country: metaData.shift().trim() || undefined,
		encoding: metaData.shift().trim() || undefined,
		codec: metaData.shift().trim() || undefined,
		codec_profile: metaData.shift().trim() || undefined,
		bitrate: safeParseInt(metaData.shift()),
		bd: safeParseInt(metaData.shift()),
		sr: safeParseInt(metaData.shift()),
		channels: safeParseInt(metaData.shift()),
		media: metaData.shift().trim() || undefined,
		genre: metaData.shift().trim() || undefined,
		discnumber: safeParseInt(metaData.shift()),
		totaldiscs: safeParseInt(metaData.shift()),
		discsubtitle: metaData.shift().trim() || undefined,
		tracknumber: metaData.shift().trim() || undefined,
		totaltracks: safeParseInt(metaData.shift()),
		title: metaData.shift().trim() || undefined,
		track_artist: metaData.shift().trim() || undefined,
		performer: metaData.shift().trim() || undefined,
		composer: metaData.shift().trim() || undefined,
		conductor: metaData.shift().trim() || undefined,
		remixer: metaData.shift().trim() || undefined,
		compiler: metaData.shift().trim() || undefined,
		producer: metaData.shift().trim() || undefined,
		duration: safeParseFloat(metaData.shift()),
		samples: safeParseInt(metaData.shift()),
		rg: metaData.shift().trim() || undefined,
		dr: metaData.shift().trim() || undefined,
		vendor: metaData.shift().trim() || undefined,
		url: metaData.shift().trim() || undefined,
		dirpath: metaData.shift() || undefined,
		comment: metaData.shift().trim() || undefined,
		identifiers: {},
	  };
	  if (!track.artist) {
		addMessage('FATAL: main artist must be defined in every track' + ruleLink('2.3.16.4'), 'ua-critical', true);
		clipBoard.value = '';
		throw new Error('artist missing');
	  }
	  if (!track.album) {
		addMessage('FATAL: album title must be defined in every track' + ruleLink('2.3.16.4'), 'ua-critical', true);
		clipBoard.value = '';
		throw new Error('album mising');
	  }
	  if (!track.tracknumber) {
		addMessage('FATAL: all track numbers must be defined' + ruleLink('2.3.16.4'), 'ua-critical', true);
		clipBoard.value = '';
		throw new Error('tracknumber missing');
	  }
	  if (!track.title) {
		addMessage('FATAL: all track titles must be defined' + ruleLink('2.3.16.4'), 'ua-critical', true);
		clipBoard.value = '';
		throw new Error('track title missing');
	  }
	  if (track.duration != undefined && isUpload && (isNaN(track.duration) || track.duration <= 0)) {
		addMessage('FATAL: invalid track #' + track.tracknumber + ' length: ' + track.duration, 'ua-critical');
		clipBoard.value = '';
		throw new Error('invalid duration');
	  }
	  if (track.codec && !['FLAC', 'MP3', 'AAC', 'DTS', 'AC3'].includes(track.codec)) {
		addMessage('FATAL: disallowed codec present (' + track.codec + ')', 'ua-critical');
		clipBoard.value = '';
		throw new Error('invalid format');
	  }
	  if (track.discnumber > totalDiscs) totalDiscs = track.discnumber;
	  if (track.comment == '.') track.comment = undefined;
	  if (track.comment) {
		track.comment = track.comment.replace(/\x1D/g, '\r').replace(/\x1C/g, '\n');
		if (prefs.remap_texttools_newlines) track.comment = track.comment.replace(/__/g, '\r\n').replace(/_/g, '\n') // ambiguous
	  }
	  if (track.dr != null) track.dr = parseInt(track.dr); // DR0
	  metaData.shift().trim().split(/\s+/).forEach(function(it) {
		if (/([\w\-]+)[=:](.*)/.test(it)) track.identifiers[RegExp.$1.toUpperCase()] = RegExp.$2.replace(/\x1B/g, ' ');
	  });
	  totalTime += track.duration || NaN;
	  albumBitrate += (track.duration || NaN) * (track.bitrate || NaN);
 
	  tracks.push(track);
 
	  function safeParseInt(x) { return typeof x != 'string' ? null : x.length <= 0 ? undefined : parseInt(x) }
	  function safeParseFloat(x) { return typeof x != 'string' ? null : x.length <= 0 ? undefined : parseFloat(x) }
	  function safeParseYear(x) { return typeof x != 'string' ? null : x.length <= 0 ? undefined : extract_year(x) || NaN }
	}
	if (tracks.length <= 0) {
	  addMessage('FATAL: no tracks found', 'ua-critical', true);
	  clipBoard.value = '';
	  throw new Error('no tracks');
	}
	if (!tracks.every(it => it.discnumber > 0) && !tracks.every(it => !it.discnumber)) {
	  addMessage('FATAL: inconsistent release (mix of tracks with and without disc number)', 'ua-critical', true);
	  clipBoard.value = '';
	  throw new Error('inconsistent disc numbering');
	}
 
	var release = {};
	['catalogs', 'bds', 'genres', 'srs', 'urls', 'comments', 'trackArtists', 'bitrates',
	 'drs', 'rgs', 'dirpaths'].forEach(it => { release[it] = [] });
	function setUniqueProperty(propName, propNameLiteral) {
	  let homogenous = new Set(tracks.map(it => it[propName]).filter(it => it != undefined && it != null));
	  if (homogenous.size > 1) {
		var diverses = '', it = homogenous.values(), val;
		while (!(val = it.next()).done) diverses += '<br>\t' + val.value;
		addMessage('FATAL: mixed releases not accepted (' + propNameLiteral + ') - supposedly user compilation' + diverses, 'ua-critical', true);
		clipBoard.value = '';
		throw new Error('mixed release (' + propNameLiteral + ')');
	  }
	  release[propName] = homogenous.values().next().value;
	}
	setUniqueProperty('artist', 'album artist', true);
	setUniqueProperty('album', 'album title', true);
	setUniqueProperty('album_year', 'album year');
	setUniqueProperty('release_date', 'release date');
	setUniqueProperty('encoding', 'encoding');
	setUniqueProperty('codec', 'codec');
	setUniqueProperty('codec_profile', 'codec profile');
	setUniqueProperty('vendor', 'vendor');
	setUniqueProperty('media', 'media');
	setUniqueProperty('channels', 'channels');
	setUniqueProperty('label', 'label');
	setUniqueProperty('country', 'country');
 
	tracks.forEach(function(iter) {
	  push_unique('trackArtists', 'track_artist');
	  push_unique('catalogs', 'catalog');
	  push_unique('bitrates', 'bitrate');
	  push_unique('bds', 'bd');
	  push_unique('rgs', 'rg');
	  push_unique('drs', 'dr');
	  if (iter.sr) {
		if (typeof release.srs[iter.sr] != 'number') {
		  release.srs[iter.sr] = iter.duration;
		} else {
		  release.srs[iter.sr] += iter.duration;
		}
	  }
	  push_unique('dirpaths', 'dirpath');
	  push_unique('comments', 'comment');
	  push_unique('genres', 'genre');
	  push_unique('urls', 'url');
 
	  function push_unique(relProp, prop) {
		if (iter[prop] !== undefined && iter[prop] !== null && (typeof iter[prop] != 'string'
			|| iter[prop].length > 0) && !release[relProp].includes(iter[prop])) release[relProp].push(iter[prop]);
	  }
	});
	function validatorFunc(arr, validator, str) {
	  if (arr.length <= 0 || !arr.some(validator)) return true;
	  addMessage('FATAL: disallowed ' + str + ' present (' + arr.filter(validator) + ')', 'ua-critical');
	  clipBoard.value = '';
	  throw new Error('disallowed ' + str);
	}
	validatorFunc(release.bds, (bd) => ![16, 24].includes(bd), 'bit depths');
	validatorFunc(Object.keys(release.srs),
		(sr) => sr < 44100 || sr > 192000 || sr % 44100 != 0 && sr % 48000 != 0, 'sample rates');
 
	var composerEmphasis = false, isFromDSD = false, isClassical = false;
	var yadg_prefil = '', releaseType, editionTitle, isVA, iter, rx;
	var tags = new TagManager();
	albumBitrate /= totalTime;
	if (tracks.every(it => /^(?:single)$/i.test(it.identifiers.RELEASETYPE))
		|| totalTime > 0 && totalTime <= prefs.single_threshold) {
	  releaseType = getReleaseIndex('Single');
	} else if (tracks.every(it => it.identifiers.RELEASETYPE == 'EP')
		|| totalTime > 0 && totalTime <= prefs.EP_threshold) {
	  releaseType = getReleaseIndex('EP');
	} else if (tracks.every(it => /^soundtrack$/i.test(it.identifiers.RELEASETYPE))) {
	  releaseType = getReleaseIndex('Soundtrack');
	  tags.add('score');
	  composerEmphasis = true;
	}
 
	// Processing artists: recognition, splitting and dividing to categores
	const multiArtistParser = /\s*(?:[;\/\|]|,(?!\s*(?:[JjSs]r)\b)(?:\s*and\s+)?)\s*/;
	const ampersandParser = /\s+(?:[\&\+]|and|vs\.?)(?!\s*(?:The|his|her|Friends)\b)\s+/i;
	const featParsers = [
	  /\s+(?:meets)\s+(.*?)\s*$/,
	  /\s+(?:[Ff]eaturing|with)\s+(.*?)\s*$/,
	  /\s+[Ff]eat\.\s+(.*?)\s*$/,
	  /\s+\[(?:[Ff]eat(?:\.|uring)|with)\s+([^\[\]]+?)\s*\]/,
	  /\s+\((?:[Ff]eat(?:\.|uring)|with)\s+([^\(\)]+?)\s*\)/,
	];
	const remixParsers = [
	  /\s+\((?:The\s+)Remix(?:e[sd])?\)/i,
	  /\s+\[(?:The\s+)Remix(?:e[sd])?\]/i,
	  /\s+(?:The\s+)Remix(?:e[sd])?\s*$/i,
	  /\s+\(([^\(\)]+?)(?:[\'\’\`]s)?\s+(?:(?:Extended|Enhanced)\s+)?Remix\)/i,
	  /\s+\[([^\[\]]+?)(?:[\'\’\`]s)?\s+(?:(?:Extended|Enhanced)\s+)?Remix\]/i,
	  /\s+\((?:(Extended|Enhanced)\s+)?Remix(?:ed)?\s+by\s+([^\(\)]+)\)/i,
	  /\s+\[(?:(Extended|Enhanced)\s+)?Remix(?:ed)?\s+by\s+([^\[\]]+)\]/i,
	];
	const otherArtistsParsers = [
	  [/^(.*?)\s+(?:under|(?:conducted)\s+by)\s+(.*)$/, 4],
	  [/^()(.*?)\s+\(conductor\)$/i, 4],
	  //[/^()(.*?)\s+\(.*\)$/i, 1],
	];
	const noAkas = /\s+(?:aka|AKA)\s+(.*)/;
	const invalidArtist = /^(?:#?N\/?A|[JS]r\.?)$/i;
	const roleCollisions = [
	  [4], // main
	  [0, 4], // guest
	  [], // remixer
	  [], // composer
	  [], // conductor
	  [], // DJ/compiler
	  [], // producer
	];
	isVA = release.artist == 'VA' || /^(?:Various(?:\s+Artists?)?)$/i.test(release.artist);
	var artists = [], xhr = new XMLHttpRequest();
	for (iter = 0; iter < 7; ++iter) artists[iter] = [];
 
	if (!isVA) addArtists(0, yadg_prefil = spliceGuests(release.artist));
 
	featParsers.slice(3).forEach(function(rx) {
	  if (rx.test(release.album)) {
		addArtists(1, RegExp.$1);
		addMessage('Warning: featured artist(s) in album title (' + release.album + ')', 'ua-warning');
		release.album = release.album.replace(rx, '');
	  }
	});
	remixParsers.slice(3).forEach(function(rx) {
	  if (rx.test(release.album)) addArtists(2, RegExp.$1);
	})
 
	for (iter of tracks) {
	  addTrackPerformers(iter.track_artist);
	  addTrackPerformers(iter.performer);
	  addArtists(2, iter.remixer);
	  addArtists(3, iter.composer);
	  addArtists(4, iter.conductor);
	  addArtists(5, iter.compiler);
	  addArtists(6, iter.producer);
 
	  if (iter.title) {
		featParsers.slice(3).forEach(function(rx) {
		  if (rx.test(iter.title)) {
			addArtists(1, RegExp.$1);
			iter.track_artist = (!isVA && (!iter.track_artist || iter.track_artist.includes(RegExp.$1)) ?
								 iter.artist : iter.track_artist) + ' feat. ' + RegExp.$1;
			addMessage('Warning: featured artist(s) in track title (#' + iter.tracknumber + ': ' + iter.title + ')', 'ua-warning');
			iter.title = iter.title.replace(rx, '');
		  }
		});
		remixParsers.slice(3).forEach(function(rx) {
		  if (rx.test(iter.title)) addArtists(2, RegExp.$1);
		});
	  }
	}
	// Split ampersands
	for (iter = 0; iter < Math.round(tracks.length / 2); ++iter) {
	  for (let ndx = 0; ndx < 7; ++ndx) {
		for (i = artists[ndx].length; i > 0; --i) {
		  let j = artists[ndx][i - 1].split(ampersandParser);
		  if (j.length >= 2 && j.every(twoOrMore) && !getSiteArtist(artists[ndx][i - 1])
			  && (j.some(it1 => artists.some(it2 => it2.includesCaseless(it1))) || j.every(looksLikeTrueName))) {
			artists[ndx].splice(i - 1, 1, ...j.filter(function(it) {
			  return !artists[ndx].includesCaseless(it)
			  	&& !roleCollisions[ndx].some(n => artists[n].includesCaseless(it));
			}));
		  }
		}
	  }
	}
 
	function addArtists(index, str) {
	  if (str) splitArtists(str).forEach(function(it) {
		it = index != 0 ? it.replace(noAkas, '') : guessOtherArtists(it);
		if (it.length > 0 && !invalidArtist.test(it) && !artists[index].includesCaseless(it)
			&& (index != 1 || !artists[0].includesCaseless(it))) artists[index].push(it);
	  });
	}
	function addTrackPerformers(str) {
	  if (str) splitArtists(spliceGuests(str, 1)).forEach(function(it) {
		it = guessOtherArtists(it);
		if (it.length > 0 && !invalidArtist.test(it) && !artists[0].includesCaseless(it)
			&& (isVA || !artists[1].includesCaseless(it))) artists[isVA ? 0 : 1].push(it);
	  });
	}
	function splitArtists(str) {
	  var j = str.split(multiArtistParser);
	  return j.length == 1 || j.every(twoOrMore)
	  	&& !j.some(a => invalidArtist.test(a)) && !getSiteArtist(str) ? j : [ str ];
	}
	function spliceGuests(str, level) {
	  (level ? featParsers.slice(level) : featParsers).forEach(function(it) {
		if (it.test(str)) {
		  addArtists(1, RegExp.$1);
		  str = str.replace(it, '');
		}
	  });
	  return str;
	}
	function guessOtherArtists(name) {
	  otherArtistsParsers.forEach(function(it) {
		if (!it[0].test(name)) return;
		addArtists(it[1], RegExp.$2);
		name = RegExp.$1;
	  });
	  return name.replace(noAkas, '');
	}
	function getSiteArtist(artist) {
	  if (!artist) return null;
	  xhr.open('GET', 'https://' + document.domain + '/ajax.php?action=artist&artistname=' + encodeURIComponent(artist), false);
	  xhr.send();
	  if (xhr.readyState != 4 || xhr.status != 200) {
		console.log('getSiteArtist("' + artist + '"): XMLHttpRequest readyState:' + xhr.readyState + ' status:' + xhr.status);
		return undefined; // error
	  }
	  var response = JSON.parse(xhr.responseText);
	  return response.status == 'success' ? response.response : null;
	}
	function twoOrMore(artist) { return artist.length >= 2 && !invalidArtist.test(artist) };
	function looksLikeTrueName(artist, index) {
	  return (index == 0 || !/^(?:The|his|her|Friends)\s+/i.test(artist)) && artist.split(/\s+/).length >= 2
	  	|| getSiteArtist(artist);
	}
 
	if (element_writable(document.getElementById('artist'))) {
	  const artistSel = 'input[name="artists[]"]';
	  let artistIndex = 0;
	  for (i = 0; i < 7; ++i) for (iter of artists[i]
		  .filter(it => !roleCollisions[i].some(n => artists[n].includesCaseless(it)))
		  .sort()) {
		if (isUpload) {
		  var id = 'artist';
		  if (artistIndex > 0) id += '_' + artistIndex;
		  while ((ref = document.getElementById(id)) == null) addArtistField();
		} else {
		  while ((ref = document.querySelectorAll(artistSel)).length <= artistIndex) addArtistField();
		  ref = ref[artistIndex];
		}
		if (ref == null) throw new Error('Failed to allocate artist fields');
		ref.value = iter;
		ref.nextElementSibling.value = i + 1;
		++artistIndex;
	  }
	  if (overwrite && artistIndex > 0) while (document.getElementById('artist_' + artistIndex) != null) {
		removeArtistField();
	  }
	}
 
	// Processing album title
	const remasterParsers = [
	  /\s+\(((?:Remaster(?:ed)?|Reissu(?:ed)?|Deluxe|Enhanced|Expanded|Limited)\b[^\(\)]*|[^\(\)]*\b(?:Edition|Version|Promo|Release))\)$/i,
	  /\s+\[((?:Remaster(?:ed)?|Reissu(?:ed)?|Deluxe|Enhanced|Expanded|Limited)\b[^\[\]]*|[^\[\]]*\b(?:Edition|Version|Promo|Release))\]$/i,
	  /\s+-\s+([^\[\]\(\)\-\−\—\–]*\b(?:(?:Remaster(?:ed)?|Bonus\s+Track)\b[^\[\]\(\)\-\−\—\–]*|Reissue|Edition|Version|Promo|Enhanced|Release))$/i
	];
	const mediaParsers = [
	  [/\s+(?:\[(?:LP|Vinyl|12"|7")\]|\((?:LP|Vinyl|12"|7")\))$/, 'Vinyl'],
	  [/\s+(?:\[SA-?CD\]|\(SA-?CD\))$/, 'SACD'],
	  [/\s+(?:\[(?:Blu[\s\-\−\—\–]?Ray|BD|BRD?)\]|\((?:Blu[\s\-\−\—\–]?Ray|BD|BRD?)\))$/, 'Blu-Ray'],
	  [/\s+(?:\[DVD(?:-?A)?\]|\(DVD(?:-?A)?\))$/, 'DVD'],
	];
	const releaseTypeParsers = [
	  [/\s+(?:-\s+Single|\[Single\]|\(Single\))$/i, 'Single', true, true],
	  [/\s+(?:(?:-\s+)?EP|\[EP\]|\(EP\))$/, 'EP', true, true],
	  [/\s+\((?:Live|En\s+directo?|Ao\s+Vivo)\b[^\(\)]*\)$/i, 'Live album', false, false],
	  [/\s+\[(?:Live|En\s+directo?|Ao\s+Vivo)\b[^\[\]]*\]$/i, 'Live album', false, false],
	  [/(?:^Live\s+(?:[aA]t|[Ii]n)\b|^Directo?\s+[Ee]n\b|\bUnplugged\b|\bAcoustic\s+Stage\b|\s+Live$)/, 'Live album', false, false],
	  [/\b(?:Best [Oo]f|Greatest Hits|Complete\s+(.+?\s+)(?:Albums|Recordings))\b/, 'Anthology', false, false],
	];
	var album = release.album;
	releaseTypeParsers.forEach(function(it) {
	  if (it[0].test(album)) {
		if (it[2] || !releaseType) releaseType = getReleaseIndex(it[1]);
		if (it[3]) album = album.replace(it[0], '');
	  }
	});
	rx = '\\b(?:Soundtrack|Score|Motion\\s+Picture|Series|Television|Original(?:\\s+\\w+)?\\s+Cast|Music\\s+from|(?:Musique|Bande)\\s+originale)\\b';
	if (reInParenthesis(rx).test(album) || reInBrackets(rx).test(album)) {
	  if (!releaseType) releaseType = getReleaseIndex('Soundtrack');
	  tags.add('score');
	  composerEmphasis = true;
	}
	remixParsers.forEach(function(rx) {
	  if (rx.test(album) && !releaseType) releaseType = getReleaseIndex('Remix');
	});
	remasterParsers.forEach(function(rx) {
	  if (rx.test(album)) {
		album = album.replace(rx, '');
		editionTitle = RegExp.$1;
	  }
	});
	mediaParsers.forEach(function(it) {
	  if (it[0].test(album)) {
		album = album.replace(it[0], '');
		media = it[1];
	  }
	});
	if (element_writable(ref = document.getElementById('title') || document.querySelector('input[name="title"]'))) {
	  ref.value = album;
	}
 
	if (yadg_prefil) yadg_prefil += ' ';
	yadg_prefil += album;
	if (element_writable(ref = document.getElementById('yadg_input'))) {
	  ref.value = yadg_prefil || '';
	  if (yadg_prefil && (ref = document.getElementById('yadg_submit')) != null && !ref.disabled) ref.click();
	}
 
	if (element_writable(ref = document.getElementById('year'))) {
	  ref.value = release.album_year || '';
	}
	i = release.release_date && extract_year(release.release_date);
	if (element_writable(ref = document.getElementById('remaster_year'))
		|| !isUpload && i > 0 && (ref = document.querySelector('input[name="year"]')) != null && !ref.disabled) {
	  ref.value = i || '';
	}
	//if (tracks.every(it => it.identifiers.EXPLICIT == '0')) editionTitle = 'Clean' + (editionTitle ? ' / ' + editionTitle : '');
	if (!editionTitle && (tracks.every(it => it.title.endsWith(' (Remastered)') || it.title.endsWith(' [Remastered]')))) {
	  editionTitle = 'Remastered';
	}
	if (element_writable(ref = document.getElementById('remaster_title'))) {
	  ref.value = editionTitle || '';
	}
	rx = /\s*[\,\;]\s*/g;
	if (element_writable(ref = document.getElementById('remaster_record_label') || document.querySelector('input[name="recordlabel"]'))) {
	  ref.value = release.label && release.label.replace(rx, ' / ') || '';
	}
	if (element_writable(ref = document.getElementById('remaster_catalogue_number') || document.querySelector('input[name="cataloguenumber"]'))) {
	  let barcode = tracks.every(function(it, ndx, arr) {
		return it.identifiers.BARCODE && it.identifiers.BARCODE == arr[0].identifiers.BARCODE;
	  }) && tracks[0].identifiers.BARCODE;
	  ref.value = release.catalogs.length >= 1 && release.catalogs.map(k => k.replace(rx, ' / ')).join(' / ')
	  	|| barcode || '';
	}
	var br_isSet = (ref = document.getElementById('bitrate')) != null && ref.value;
	if (element_writable(ref = document.getElementById('format'))) {
	  ref.value = release.codec || '';
	  ref.onchange(); //exec(function() { Format() });
	}
	if (isRequestNew) {
	  if (prefs.always_request_perfect_flac) reqSelectFormats('FLAC');
	  else if (release.codec) reqSelectFormats(release.codec);
	}
	var sel;
	if (release.encoding == 'lossless') {
	  sel = release.bds.includes(24) ? '24bit Lossless' : 'Lossless';
	} else if (release.bitrates.length >= 1) {
	  let lame_version = release.codec == 'MP3' && /^LAME(\d+)\.(\d+)/i.test(release.vendor) ?
		  parseInt(RegExp.$1) * 1000 + parseInt(RegExp.$2) : undefined;
	  if (release.codec == 'MP3' && release.codec_profile == 'VBR V0') {
		sel = lame_version >= 3094 ? 'V0 (VBR)' : 'APX (VBR)'
	  } else if (release.codec == 'MP3' && release.codec_profile == 'VBR V1') {
		sel = 'V1 (VBR)'
	  } else if (release.codec == 'MP3' && release.codec_profile == 'VBR V2') {
		sel = lame_version >= 3094 ? sel = 'V2 (VBR)' : 'APS (VBR)'
	  } else if (release.bitrates.length == 1 && [192, 256, 320].includes(Math.round(release.bitrates[0]))) {
		sel = Math.round(release.bitrates[0]);
	  } else {
		sel = 'Other';
	  }
	}
	if ((ref = document.getElementById('bitrate')) != null && !ref.disabled && (overwrite || !br_isSet)) {
	  ref.value = sel || '';
	  ref.onchange(); //exec(function() { Bitrate() });
	  if (sel == 'Other' && (ref = document.getElementById('other_bitrate')) != null) {
		ref.value = Math.round(release.bitrates.length == 1 ? release.bitrates[0] : albumBitrate);
		if ((ref = document.getElementById('vbr')) != null) ref.checked = release.bitrates.length > 1;
	  }
	}
	if (isRequestNew) {
	  if (prefs.always_request_perfect_flac) {
		reqSelectBitrates('Lossless', '24bit Lossless');
	  } else if (sel) reqSelectBitrates(sel);
	}
	if (release.media) {
	  sel = undefined;
	  [
		[/\b(?:WEB|File|Download|digital\s+media)\b/i, 'WEB'],
		[/\bCD\b/, 'CD'],
		[/\b(?:SA-?CD|[Hh]ybrid)\b/, 'SACD'],
		[/\b(?:[Bb]lu[\-\−\—\–\s]?[Rr]ay|BRD?|BD)\b/, 'Blu-Ray'],
		[/\bDVD(?:-?A)?\b/, 'DVD'],
		[/\b(?:[Vv]inyl\b|LP\b|12"|7")/, 'Vinyl'],
	  ].forEach(k => { if (k[0].test(release.media)) sel = k[1] });
	  media = sel || media;
	}
	if (!media) {
	  if (tracks.every(isRedBook)) {
		addMessage('Info: media not determined - CD estimated', 'ua-info');
		media = 'CD';
	  } else if (tracks.some(t => t.bd > 16 || (t.sr > 0 && t.sr != 44100) || t.samples > 0 && t.samples % 588 != 0)) {
		addMessage('Info: media not determined - NOT CD', 'ua-info');
	  }
	} else if (media != 'CD' && tracks.every(isRedBook)) {
	  addMessage('Info: CD as source media is estimated (' + media + ')', 'ua-info');
	}
	if (element_writable(ref = document.getElementById('media'))) ref.value = media || '';
	if (isRequestNew) {
	  if (prefs.always_request_perfect_flac) reqSelectMedias('WEB', 'CD', 'Blu-Ray', 'DVD', 'SACD')
	  else if (media) reqSelectMedias(media);
	}
	function isRedBook(t) {
	  return t.bd == 16 && t.sr == 44100 && t.channels == 2 && t.samples > 0 && t.samples % 588 == 0;
	}
	if (media == 'WEB') for (iter of tracks) {
	  if (iter.duration > 29.5 && iter.duration < 30.5) {
		addMessage('Warning: track ' + iter.tracknumber + ' possible preview', 'ua-warning');
	  }
	}
	if (tracks.every(it => it.identifiers.ORIGINALFORMAT && it.identifiers.ORIGINALFORMAT.includes('DSD'))) {
	  isFromDSD = true;
	}
	if (release.genres.length >= 1) {
	  release.genres.forEach(function(genre) {
		if (/\b(?:Classical|Symphony|Symphonic(?:al)?$|Chamber|Choral|Orchestral|Etude|Opera|Duets|Klassik)\b/i.test(genre)
		   && !/\b(?:metal|rock|pop)\b/i.test(genre)) {
		  composerEmphasis = true;
		  isClassical = true
		}
		if (/\b(?:Jazz|Vocal)\b/i.test(genre) && !/\b(?:Nu|Future|Acid)[\s\-\−\—\–]*Jazz\b/i.test(genre)
		   && !/\bElectr(?:o|ic)[\s\-\−\—\–]?Swing\b/i.test(genre)) {
		  composerEmphasis = true;
		}
		if (/\b(?:Soundtracks?|Score|Films?|Games?|Video|Series?|Theatre|Musical)\b/i.test(genre)) {
		  composerEmphasis = true;
		  if (!releaseType) releaseType = getReleaseIndex('Soundtrack');
		  tags.add('score');
		  composerEmphasis = true;
		}
	  	tags.add(genre);
	  });
	  if (release.genres.length > 1) {
		addMessage('Warning: inconsistent genre accross album: ' + release.genres, 'ua-warning');
	  }
	}
	if (release.country) {
	  if (!excludedCountries.some(it => it.test(release.country))) tags.add(release.country);
	}
	if (element_writable(ref = document.getElementById('tags'))) {
	  ref.value = tags.length >= 1 ? tags.toString() : '';
	  if (artists[0].length == 1 && prefs.fetch_tags_from_artist > 0) setTimeout(function() {
		var artist = getSiteArtist(artists[0][0]);
		if (!artist) return;
		tags.add(...artist.tags.sort((a, b) => b.count - a.count).map(it => it.name).slice(0, prefs.fetch_tags_from_artist));
		var ref = document.getElementById('tags');
		ref.value = tags.toString();
	  }, 3000);
	}
	if (isClassical && !tracks.every(it => it.composer)) {
	  addMessage('Warning: all tracks composers must be defined for clasical music' + ruleLink('2.3.17'), 'ua-warning', true);
	  //return false;
	}
	if (!releaseType) {
	  if (tracks.every(it => it.title.endsWith(' (Live)') || it.title.endsWith(' [Live]'))) {
		releaseType = getReleaseIndex('Live album');
	  } else if (tracks.every(function(it) {
		const p = /^([^\(\)\[\]]+?)(?:\s+(?:\([^\(\)]*\)|\[[^\[\]]*\]))?$/;
		try { return p.exec(it.title)[1] == p.exec(tracks[0].title)[1] } catch(e) { return false }
	  })) {
		releaseType = getReleaseIndex('Single');
	  } if (isVA) {
		releaseType = getReleaseIndex('Compilation');
	  } else if (tracks.every(it => it.identifiers.COMPILATION == 1)) {
		releaseType = getReleaseIndex('Anthology');
	  }
	}
	if ((ref = document.getElementById('releasetype')) != null && !ref.disabled && (overwrite || ref.value == 0)) {
	  ref.value = releaseType || getReleaseIndex('Album');
	}
	if (!composerEmphasis && !prefs.keep_meaningles_composers) {
	  document.querySelectorAll('input[name="artists[]"]').forEach(function(i) {
		if (['4', '5'].includes(i.nextElementSibling.value)) i.value = '';
	  });
	}
	const doubleParsParsers = [
	  /\(+(\([^\(\)]*\))\)+/,
	  /\[+(\[[^\[\]]*\])\]+/,
	  /\{+(\{[^\{\}]*\})\}+/,
	];
	for (iter of tracks) {
	  doubleParsParsers.forEach(function(rx) {
	  	if (rx.test(iter.title)) {
		  addMessage('Warning: doubled parentheses in track #' + iter.tracknumber +
					 ' title ("' + iter.title + '")', 'ua-warning');
		  //iter.title.replace(rx, RegExp.$1);
		}
	  });
	}
	if (tracks.length > 1 && array_homogenous(tracks.map(k => k.title))) {
	  addMessage('Warning: all tracks having same title: ' + tracks[0].title, 'ua-warning');
	}
	var description;
	url = release.urls.length == 1 && release.urls[0];
	if (!url && tracks.every(it => it.identifiers.DISCOGS_ID && it.identifiers.DISCOGS_ID == tracks[0].identifiers.DISCOGS_ID)) {
	  url = 'https://www.discogs.com/release/' + tracks[0].identifiers.DISCOGS_ID;
	}
	if (isRequestNew || isRequestEdit) { // isRequestNew
	  description = []
	  if (release.release_date) {
		i = new Date(release.release_date);
		description.push((i < new Date() ? 'Released' : 'Releasing') + ' ' +
			(isNaN(i) ? release.release_date : i.toString().replace(/\s+\d+:.*/, '')));
	  }
	  if (url) description.push('[url]' + url + '[/url]');
	  if (release.catalogs.length == 1 && /^\d{10,}$/.test(release.catalogs[0])
		  || tracks.every(it => it.identifiers.BARCODE && it.identifiers.BARCODE == tracks[0].identifiers.BARCODE)
			&& /^\d{10,}$/.test(tracks[0].identifiers.BARCODE)) {
		description.push('[url=https://www.google.com/search?q=' + RegExp.lastMatch + ']Find more stores...[/url]');
	  }
	  if (release.comments.length == 1) description.push(release.comments[0]);
	  description = description.join('\n\n');
	  if (description.length > 0) {
		ref = document.getElementById('description');
		if (element_writable(ref)) {
		  ref.value = description;
		} else if (isRequestEdit && ref != null && !ref.disabled) {
		  ref.value = ref.textLength > 0 ? ref.value.concat('\n\n', description) : ref.value = description;
		  preview(0);
		}
	  }
	} else {
	  var ripinfo, dur;
	  const vinylTest = /^((?:Vinyl|LP) rip by\s+)(.*)$/im;
	  description = artists[0].length >= 3 ?
		'[size=4]' + joinArtists(artists[0], '[artist]', '[/artist]') + ' – ' + release.album + '[/size]\n\n' : '';
	  // ============================================= The Playlist =============================================
	  if (tracks.length > 1) {
		gen_full_tracklist();
	  } else { // single
		description += '[align=center]';
		description += isRED ? '[pad=20|20|20|20]' : '';
		description += '[size=4][b][color=' + prefs.tracklist_artist_color + ']' + release.artist + '[/color][hr]';
		//description += '[color=' + prefs.tracklist_single_color + ']';
		description += tracks[0].title;
		//description += '[/color]'
		description += '[/b]';
		if (tracks[0].composer) {
		  description += '\n[i][color=' + prefs.tracklist_composer_color + '](' + tracks[0].composer + ')[/color][/i]';
		}
		description += '\n\n[color=' + prefs.tracklist_duration_color +'][' +
		  makeTimeString(tracks[0].duration) + '][/color][/size]';
		if (isRED) description += '[/pad]';
		description += '[/align]';
	  }
	  if (release.comments.length == 1 && release.comments[0]) {
		if (matches = release.comments[0].match(vinylTest)) {
		  ripinfo = release.comments[0].slice(matches.index).trim().split(/[\r\n]+/);
		  description = description.concat('\n\n', release.comments[0].slice(0, matches.index).trim());
		} else {
		  description += '\n\n' + release.comments[0];
		}
	  }
	  if (element_writable(ref = document.getElementById('album_desc'))) {
		ref.value = description;
		preview(0);
	  }
	  if ((ref = document.getElementById('body')) != null && !ref.disabled) {
		let editioninfo;
		if (editionTitle) {
		  editioninfo = '[size=5][b]' + editionTitle;
		  if (release.release_date && (i = extract_year(release.release_date)) > 0) editioninfo += ' (' + i + ')';
		  editioninfo = editioninfo.concat('[/b][/size]\n\n');
		} else { editioninfo = '' }
		ref.value = ref.textLength > 0 ?
		  ref.value.concat('\n\n', editioninfo, description) : editioninfo + description;
		preview(0);
	  }
	  var lineage = '', comment = '', drinfo, srcinfo;
	  if (element_writable(ref = document.getElementById('release_samplerate'))) {
		ref.value = Object.keys(release.srs).length == 1 ? Math.floor(Object.keys(release.srs)[0] / 1000) :
		Object.keys(release.srs).length > 1 ? '999' : null;
	  }
	  if (Object.keys(release.srs).length > 0) {
		let kHz = Object.keys(release.srs).sort((a, b) => release.srs[b] - release.srs[a])
			.map(f => f / 1000).join('/').concat('kHz');
		if (release.bds.some(bd => bd > 16)) {
		  drinfo = '[hide=DR' + (release.drs.length == 1 ? release.drs[0] : '') + '][pre][/pre]';
		  if (media == 'Vinyl') {
			let hassr = ref == null || Object.keys(release.srs).length > 1;
			lineage = hassr ? kHz + ' ' : '';
			if (ripinfo) {
			  ripinfo[0] = ripinfo[0].replace(vinylTest, '$1[color=blue]$2[/color]');
			  if (hassr) { ripinfo[0] = ripinfo[0].replace(/^Vinyl\b/, 'vinyl') }
			  lineage += ripinfo[0] + '\n\n[u]Lineage:[/u]' + ripinfo.slice(1).map(k => '\n' + k).join('');
			} else {
			  lineage += (hassr ? 'Vinyl' : ' vinyl') + ' rip by [color=blue][/color]\n\n[u]Lineage:[/u]';
			}
			drinfo += '\n\n[img][/img]\n[img][/img]\n[img][/img][/hide]';
		  } else if (['Blu-Ray', 'DVD', 'SACD'].includes(media)) {
			lineage = ref ? '' : kHz;
			if (release.channels) add_channel_info();
			if (media == 'SACD' || isFromDSD) {
			  lineage += ' from DSD64 using foobar2000\'s SACD decoder (direct-fp64)';
			  lineage += '\nOutput gain +0dB';
			}
			drinfo += '[/hide]';
			//add_rg_info();
		  } else { // WEB Hi-Res
			if (ref == null || Object.keys(release.srs).length > 1) lineage = kHz;
			if (release.channels && release.channels != 2) add_channel_info();
			if (isFromDSD) {
			  lineage += ' from DSD64 using foobar2000\'s SACD decoder (direct-fp64)';
			  lineage += '\nOutput gain +0dB';
			} else {
			  add_dr_info();
			}
			//if (lineage.length > 0) add_rg_info();
			if (release.bds.length > 1) release.bds.filter(bd => bd != 24).forEach(function(bd) {
			  let hybrid_tracks = tracks.filter(k => k.bd == bd).map(k => k.tracknumber);
			  if (hybrid_tracks.length < 1) return;
			  if (lineage) lineage += '\n';
			  lineage += 'Note: track';
			  if (hybrid_tracks.length > 1) lineage += 's';
			  lineage += ' #' + hybrid_tracks.sort().join(', ') +
				(hybrid_tracks.length > 1 ? ' are' : ' is') + ' ' + bd + 'bit lossless';
			});
			if (Object.keys(release.srs).length == 1 && Object.keys(release.srs)[0] == 88200 || isFromDSD) {
			  drinfo += '[/hide]';
			} else {
			  drinfo = null;
			}
		  }
		} else { // 16bit or lossy
		  if (Object.keys(release.srs).some(f => f != 44100)) lineage = kHz;
		  if (release.channels && release.channels != 2) add_channel_info();
		  //add_dr_info();
		  //if (lineage.length > 0) add_rg_info();
		  if (['AAC', 'Opus', 'Vorbis'].includes(release.codec) && release.vendor) {
			let _encoder_settings = release.vendor;
			if (release.codec == 'AAC' && /^qaac\s+[\d\.]+/i.test(release.vendor)) {
			  let enc = [];
			  if (matches = release.vendor.match(/\bqaac\s+([\d\.]+)\b/i)) enc[0] = matches[1];
			  if (matches = release.vendor.match(/\bCoreAudioToolbox\s+([\d\.]+)\b/i)) enc[1] = matches[1];
			  if (matches = release.vendor.match(/\b(AAC-\S+)\s+Encoder\b/i)) enc[2] = matches[1];
			  if (matches = release.vendor.match(/\b([TC]VBR|ABR|CBR)\s+(\S+)\b/)) { enc[3] = matches[1]; enc[4] = matches[2]; }
			  if (matches = release.vendor.match(/\bQuality\s+(\d+)\b/i)) enc[5] = matches[1];
			  _encoder_settings = 'Converted by Apple\'s ' + enc[2] + ' encoder (' + enc[3] + '-' + enc[4] + ')';
			}
			if (lineage) lineage += '\n\n';
			lineage += _encoder_settings;
		  }
		}
	  }
	  function add_dr_info() {
		if (release.drs.length != 1 || document.getElementById('release_dynamicrange') != null) return false;
		if (lineage.length > 0) lineage += ' | ';
		if (release.drs[0] < 4) lineage += '[color=red]';
		lineage += 'DR' + release.drs[0];
		if (release.drs[0] < 4) lineage += '[/color]';
		return true;
	  }
	  function add_rg_info() {
		if (release.rgs.length != 1) return false;
		if (lineage.length > 0) lineage += ' | ';
		lineage += 'RG'; //lineage += 'RG ' + rgs[0];
		return true;
	  }
	  function add_channel_info() {
		if (!release.channels) return false;
		let chi = getChanString(release.channels);
		if (lineage.length > 0 && chi.length > 0) lineage += ', ';
		lineage += chi;
		return chi.length > 0;
	  }
	  if (url) srcinfo = '[url]' + url + '[/url]';
	  if ((ref = document.getElementById('release_lineage')) != null) {
		if (element_writable(ref)) {
		  if (drinfo) comment = drinfo;
		  if (lineage && srcinfo) lineage += '\n\n';
		  if (srcinfo) lineage += srcinfo;
		  ref.value = lineage;
		  preview(1);
		}
	  } else {
		comment = lineage;
		if (comment && drinfo) comment += '\n\n';
		if (drinfo) comment += drinfo;
		if (comment && srcinfo) comment += '\n\n';
		if (srcinfo) comment += srcinfo;
	  }
	  if (element_writable(ref = document.getElementById('release_desc'))) {
		ref.value = comment;
		if (comment.length > 0) preview(isNWCD ? 2 : 1);
	  }
	  if (release.encoding == 'lossless' && release.codec == 'FLAC'
		  && release.bds.includes(24) && release.dirpaths.length == 1) {
		var uri = new URL(release.dirpaths[0] + '\\foo_dr.txt');
		GM_xmlhttpRequest({
		  method: 'GET',
		  url: uri.href,
		  responseType: 'blob',
		  onload: function(response) {
			if (response.readyState != 4 || !response.responseText) return;
			var rlsDesc = document.getElementById('release_lineage') || document.getElementById('release_desc');
			if (rlsDesc == null) return;
			var value = rlsDesc.value;
			matches = value.match(/(^\[hide=DR\d*\]\[pre\])\[\/pre\]/im);
			if (matches == null) return;
			var index = matches.index + matches[1].length;
			rlsDesc.value = value.slice(0, index).concat(response.responseText, value.slice(index));
		  }
		});
	  }
	}
	if (element_writable(document.getElementById('image') || document.querySelector('input[name="image"]'))) {
	  if (/^https?:\/\/(\w+\.)?discogs\.com\/release\/[\w\-]+\/?$/i.test(url)) url += '/images';
	  GM_xmlhttpRequest({ method: 'GET', url: url, onload: fetch_image_from_store });
	}
	// 	} else if (element_writable(document.getElementById('image') || document.querySelector('input[name="image"]'))
	// 	  && ((ref = document.getElementById('album_desc')) != null || (ref = document.getElementById('body')) != null)
	// 		&& ref.textLength > 0 && (matches = ref.value.matchAll(/\b(https?\/\/[\w\-\&\_\?\=]+)/i)) != null) {
 
	if (element_writable(ref = document.getElementById('release_dynamicrange'))) {
	  ref.value = release.drs.length == 1 ? release.drs[0] : '';
	}
	if (isRequestNew && prefs.request_default_bounty > 0) {
	  let amount = prefs.request_default_bounty < 1024 ? prefs.request_default_bounty : prefs.request_default_bounty / 1024;
	  if ((ref = document.getElementById('amount_box')) != null && !ref.disabled) ref.value = amount;
	  if ((ref = document.getElementById('unit')) != null && !ref.disabled) {
		ref.value = prefs.request_default_bounty < 1024 ? 'mb' : 'gb';
	  }
	  exec(function() { Calculate() });
	}
	if (prefs.clean_on_apply) clipBoard.value = '';
	prefs.save();
	return true;
 
	function gen_full_tracklist() { // ========================= TACKLIST =========================
	  description += isRED ? '[pad=5|0|0|0]' : '';
	  description += '[size=4][color=' + prefs.tracklist_head_color + '][b]Tracklisting[/b][/color][/size]';
	  if (isRED) '[/pad]';
	  description += '\n'; //'[hr]';
	  let classical_units = new Set();
	  if (isClassical && !tracks.some(k => k.discsubtitle)) {
		for (track of tracks) {
		  if (matches = track.title.match(/^(.+?)\s*:\s+(.*)$/)) {
			classical_units.add(track.classical_unit_title = matches[1]);
			track.classical_title = matches[2];
		  } else {
			track.classical_unit_title = null;
		  }
		}
		for (let unit of classical_units.keys()) {
		  let group_performer = array_homogenous(tracks.filter(k => k.classical_unit_title === unit).map(k => k.track_artist));
		  let group_composer = array_homogenous(tracks.filter(k => k.classical_unit_title === unit).map(k => k.composer));
		  for (track of tracks) {
			if (track.classical_unit_title !== unit) continue;
			if (group_composer) track.classical_unit_composer = track.composer;
			if (group_performer) track.classical_unit_performer = track.track_artist;
		  }
		}
	  }
	  let block = 1, lastdisc, lastsubtitle, lastside, vinyl_trackwidth;
	  let lastwork = classical_units.size > 0 ? null : undefined;
	  let volumes = new Map(tracks.map(k => [k.discnumber, undefined]));
	  volumes.forEach(function(val, key) {
		volumes.set(key, array_homogenous(tracks.filter(k => k.discnumber == key).map(k => k.discsubtitle)));
	  });
	  if (media == 'Vinyl') {
		let max_side_track = undefined;
		rx = /^([A-Z])(\d+)?(\.(\d+))?/i;
		for (iter of tracks) {
		  if (matches = iter.tracknumber.match(rx)) {
			max_side_track = Math.max(parseInt(matches[2]) || 1, max_side_track || 0);
		  }
		}
		if (typeof max_side_track == 'number') {
		  max_side_track = max_side_track.toString().length;
		  vinyl_trackwidth = 1 + max_side_track;
		  for (iter of tracks) {
			if (matches = iter.tracknumber.match(rx)) {
			  iter.tracknumber = matches[1].toUpperCase();
			  if (matches[2]) iter.tracknumber += matches[2].padStart(max_side_track, '0');
			}
		  }
		}
	  }
 
	  function prologue(prefix, postfix) {
		function block1() {
		  if (block == 3) description += postfix;
		  description += '\n';
		  block = 1;
		}
		function block2() {
		  if (block == 3) description += postfix;
		  description += '\n';
		  block = 2;
		}
		function block3() {
		  if (block == 2) { description += '[hr]' } else { description += '\n' }
		  if (block != 3) description += prefix;
		  block = 3;
		}
		if (totalDiscs > 1 && iter.discnumber != lastdisc) {
		  block1();
		  description += '[size=3][color=' + prefs.tracklist_disctitle_color + '][b]';
		  if (iter.identifiers.VOL_MEDIA && tracks.filter(it => it.discnumber == iter.discnumber)
			  .every(it => it.identifiers.VOL_MEDIA == iter.identifiers.VOL_MEDIA)) {
			description += iter.identifiers.VOL_MEDIA.toUpperCase() + ' ';
		  }
		  description += 'Disc ' + iter.discnumber;
		  if (iter.discsubtitle && (!volumes.has(iter.discnumber) || volumes.get(iter.discnumber))) {
			description += ' - ' + iter.discsubtitle;
			lastsubtitle = iter.discsubtitle;
		  }
		  description += '[/b][/color][/size]';
		  lastdisc = iter.discnumber;
		}
		if (iter.discsubtitle != lastsubtitle) {
		  block1();
		  if (iter.discsubtitle) {
			description += '[size=2][color=' + prefs.tracklist_disctitle_color + '][b]' +
			  iter.discsubtitle + '[/b][/color][/size]';
		  }
		  lastsubtitle = iter.discsubtitle;
		}
		if (iter.classical_unit_title !== lastwork) {
		  if (iter.classical_unit_composer || iter.classical_unit_title || iter.classical_unit_performer) {
			block2();
			description += '[size=2][color=' + prefs.tracklist_classicalblock_color + '][b]';
			if (iter.classical_unit_composer) description += iter.classical_unit_composer + ': ';
			if (iter.classical_unit_title) description += iter.classical_unit_title;
			description += '[/b]';
			if (iter.classical_unit_performer) description += ' (' + iter.classical_unit_performer + ')';
			description += '[/color][/size]';
		  } else {
			if (block != 2) block1();
		  }
		  lastwork = iter.classical_unit_title;
		}
		block3();
		if (media == 'Vinyl') {
		  var m = /^([A-Z])(\d+)$/.exec(iter.tracknumber);
		  if (lastside && m != null && m[1] != lastside) description += '\n';
		  lastside = m != null && m[1];
		}
	  } // prologue
 
	  var varying_composer = !array_homogenous(tracks.map(k => k.composer));
	  for (iter of tracks.sort(function(a, b) {
		var d = a.discnumber - b.discnumber;
		var t = a.tracknumber - b.tracknumber;
		return isNaN(d) || d == 0 ? isNaN(t) ? a.tracknumber.localeCompare(b.tracknumber) : t : d;
	  })) {
		let title = '';
		let ttwidth = vinyl_trackwidth || (totalDiscs > 1 && iter.discnumber > 0 ?
			tracks.filter(it => it.discnumber == iter.discnumber) : tracks).reduce(function (accumulator, it) {
		  return Math.max(accumulator, iter.tracknumber.toString().length);
		}, 2);
		if (prefs.tracklist_style == 1) {
		  // STYLE 1 ----------------------------------------
		  prologue('[size=2]', '[/size]\n');
		  track = '[b][color=' + prefs.tracklist_tracknumber_color + ']';
		  track += isNaN(parseInt(iter.tracknumber)) ? iter.tracknumber : iter.tracknumber.padStart(ttwidth, '0');
		  track += '[/color][/b]' + prefs.title_separator;
		  if (iter.track_artist && !iter.classical_unit_performer) {
			title = '[color=' + prefs.tracklist_artist_color + ']' + iter.track_artist + '[/color] - ';
		  }
		  title += iter.classical_title || iter.title;
		  if (iter.composer && composerEmphasis && varying_composer && !iter.classical_unit_composer) {
			title = title.concat(' [color=', prefs.tracklist_composer_color, '](', iter.composer, ')[/color]');
		  }
		  description += track + title;
		  if (iter.duration) description += ' [i][color=' + prefs.tracklist_duration_color +'][' +
			makeTimeString(iter.duration) + '][/color][/i]';
		} else if (prefs.tracklist_style == 2) {
		  // STYLE 2 ----------------------------------------
		  prologue('[size=2][pre]', '[/pre][/size]');
		  track = isNaN(parseInt(iter.tracknumber)) ? iter.tracknumber : iter.tracknumber.padStart(ttwidth, '0');
		  track += prefs.title_separator;
		  if (iter.track_artist && !iter.classical_unit_performer) title = iter.track_artist + ' - ';
		  title += iter.classical_title || iter.title;
		  if (iter.composer && composerEmphasis && varying_composer && !iter.classical_unit_composer) {
			title = title.concat(' (', iter.composer, ')');
		  }
		  dur = iter.duration ? '[' + makeTimeString(iter.duration) + ']' : null;
		  let l = 0, j, left, padding, spc;
		  let width = prefs.max_tracklist_width - track.length;
		  if (dur) width -= dur.length + 1;
		  while (title.length > 0) {
			j = width;
			if (title.length > width) {
			  while (j > 0 && title[j] != ' ') { --j }
			  if (j <= 0) j = width;
			}
			left = title.slice(0, j).trim();
			if (++l <= 1) {
			  description += track + left;
			  if (dur) {
				spc = width - left.length;
				padding = (spc < 2 ? ' '.repeat(spc) : ' ' + prefs.pad_leader.repeat(spc - 1)) + ' ';
				description += padding + dur;
			  }
			  width = prefs.max_tracklist_width - track.length - 2;
			} else {
			  description += '\n' + ' '.repeat(track.length) + left;
			}
			title = title.slice(j).trim();
		  }
		}
	  }
	  if (prefs.tracklist_style == 1 && totalTime > 0) {
		description += '\n\n' + divs[0].repeat(10) + '\n[color=' + prefs.tracklist_duration_color +
		  ']Total time: [i]' + makeTimeString(totalTime) + '[/i][/color][/size]';
	  } else if (prefs.tracklist_style == 2) {
		if (totalTime > 0) {
		  dur = '[' + makeTimeString(totalTime) + ']';
		  description = description.concat('\n\n', divs[0].repeat(32).padStart(prefs.max_tracklist_width));
		  description = description.concat('\n', 'Total time:'.padEnd(prefs.max_tracklist_width - dur.length), dur);
		}
		description = description.concat('[/pre][/size]');
	  }
	}
 
	function getChanString(n) {
	  if (!n) return null;
	  const chanmap = [
		'mono',
		'stereo',
		'2.1',
		'4.0 surround sound',
		'5.0 surround sound',
		'5.1 surround sound',
		'7.0 surround sound',
		'7.1 surround sound',
	  ];
	  return n >= 1 && n <= 8 ? chanmap[n - 1] : n + 'chn surround sound';
	}
 
	function init_from_url_music(url) {
	  if (!/^https?:\/\//i.test(url)) return false;
	  var artist, album, albumYear, releaseDate, channels, label, composer, bd, sr = 44.1,
		  description, compiler, producer, totalTracks, discSubtitle, discNumber, trackNumber,
		  title, trackArtist, catalogue, encoding, format, bitrate, duration, country;
	  if (url.toLowerCase().includes('qobuz.com')) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;
 
		  if ((ref = dom.querySelector('h2.album-meta__artist')) != null) artist = ref.textContent.trim();
		  if ((ref = dom.querySelector('h1.album-meta__title')) != null) album = ref.textContent.trim();
		  ref = dom.querySelector('div.album-meta > ul > li:first-of-type');
		  if (ref != null) releaseDate = normalizeDate(ref.textContent);
		  ref = dom.querySelector('p.album-about__copyright');
		  albumYear = ref != null && extract_year(ref.textContent) || extract_year(releaseDate);
		  let genres = [];
		  dom.querySelectorAll('section#about > ul > li').forEach(function(k) {
			if (/\b(\d+)\s*(?:dis[ck]|disco|disque)(?:s?\b|\(s\))/i.test(k.textContent)) {
			  totalDiscs = parseInt(RegExp.$1);
			}
			if (/\b(\d+)\s*(?:track|pist[ae]|tracce)(?:s?\b|\(s\))/i.test(k.textContent)) {
			  totalTracks = parseInt(RegExp.$1);
			}
			if (k.textContent.includes('Label')) label = k.children[0].textContent.trim()
			else if (k.textContent.includes('Composer')) {
			  composer = k.children[0].textContent.trim();
			  if (/\bVarious\b/i.test(composer)) composer = null;
			} else if (k.textContent.includes('Genre') && k.children.length > 0) {
			  k.querySelectorAll('a').forEach(k => { genres.push(k.textContent.trim()) });
			  if (genres.length > 0 && ['Pop/Rock'].includes(genres[0])) genres.shift();
			  if (genres.length > 0 && ['Metal', 'Heavy Metal'].some(genre => genres.includes(genre))) {
				while (genres.length > 1) genres.shift();
			  }
			}
		  });
  		  bd = 16; channels = 2;
		  dom.querySelectorAll('span.album-quality__info').forEach(function(k) {
			if (/\b([\d\.\,]+)\s*kHz\b/i.test(k.textContent) != null) sr = parseFloat(RegExp.$1.replace(/,/g, '.'));
			if (/\b(\d+)[\-\s]*Bits?\b/i.test(k.textContent) != null) bd = parseInt(RegExp.$1);
			if (/\b(?:Stereo)\b/i.test(k.textContent)) channels = 2;
			if (/\b(\d)\.(\d)\b/.test(k.textContent)) channels = parseInt(RegExp.$1) + parseInt(RegExp.$2);
		  });
		  get_desc_from_node('section#description > p', response.finalUrl, true);
		  if ((ref = dom.querySelector('a[title="Qobuzissime"]')) != null) {
			description += '\x1C[align=center][url=https://www.qobuz.com' + ref.pathname +
			  '][img]https://ptpimg.me/4z35uj.png[/img][/url][/align]';
		  }
		  ref = dom.querySelectorAll('div.player__tracks > div.track > div.track__items');
		  let works = dom.querySelectorAll('div.player__tracks > p.player__work');
		  if (!totalTracks) totalTracks = ref.length;
		  ref.forEach(function(k) {
			discSubtitle = null;
			works.forEach(function(j) {
			  if (j.compareDocumentPosition(k) == Node.DOCUMENT_POSITION_FOLLOWING) discSubtitle = j
			});
			discSubtitle = discSubtitle != null ? discSubtitle.textContent.trim() : undefined;
			if (/^\s*(?:dis[ck]|disco|disque)\s+(\d+)\s*$/i.test(discSubtitle)) {
			  discNumber = parseInt(RegExp.$1);
			  discSubtitle = undefined;
			} else discNumber = undefined;
			if (discNumber > totalDiscs) totalDiscs = discNumber;
			trackNumber = parseInt(k.querySelector('span[itemprop="position"]').textContent.trim());
			title = k.querySelector('span.track__item--name').textContent.trim().replace(/\s+/g, ' ');
			duration = timeStringToTime(k.querySelector('span.track__item--duration').textContent);
			trackArtist = undefined;
			track = [
			  artist,
			  album,
			  albumYear,
			  releaseDate,
			  label,
			  undefined, // catalogue
			  undefined, // country
			  'lossless',
			  'FLAC',
			  undefined,
			  undefined,
			  bd,
			  sr * 1000,
			  channels,
			  'WEB',
			  genres.join('; '),
			  discNumber,
			  totalDiscs,
			  discSubtitle,
			  trackNumber,
			  totalTracks,
			  title,
			  trackArtist,
			  undefined,
			  composer,
			  undefined,
			  undefined,
			  compiler,
			  producer,
			  duration,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  response.finalUrl,
			  undefined,
			  description,
			  undefined,
			];
			tracks.push(track.join('\x1E'));
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
		} });
		return true;
	  } else if (url.toLowerCase().includes('highresaudio.com')) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;
 
		  ref = dom.querySelector('h1 > span.artist');
		  if (ref != null) artist = ref.textContent.trim();
		  ref = dom.getElementById('h1-album-title');
		  if (ref != null) album = ref.firstChild.textContent.trim();
		  let genres = [], format;
		  dom.querySelectorAll('div.album-col-info-data > div > p').forEach(function(k) {
			if (/\b(?:Genre|Subgenre)\b/i.test(k.firstChild.textContent)) genres.push(k.lastChild.textContent.trim());
			if (/\b(?:Label)\b/i.test(k.firstChild.textContent)) label = k.lastChild.textContent.trim();
			if (/\b(?:Album[\s\-]Release)\b/i.test(k.firstChild.textContent)) {
			  albumYear = normalizeDate(k.lastChild.textContent);
			}
			if (/\b(?:HRA[\s\-]Release)\b/i.test(k.firstChild.textContent)) {
			  releaseDate = normalizeDate(k.lastChild.textContent);
			}
		  });
		  i = 0;
		  dom.querySelectorAll('tbody > tr > td.col-format').forEach(function(k) {
			if (/^(FLAC)\s*([\d\.\,]+)\b/.exec(k.textContent) != null) {
			  format = RegExp.$1;
			  sr = parseFloat(RegExp.$2.replace(/,/g, '.'));
			  ++i;
			}
		  });
		  if (i > 1) sr = undefined; // ambiguous
		  get_desc_from_node('div#albumtab-info > p', response.finalUrl);
		  ref = dom.querySelectorAll('ul.playlist > li.pltrack');
		  totalTracks = ref.length;
		  ref.forEach(function(k) {
			discSubtitle = k;
			while ((discSubtitle = discSubtitle.previousElementSibling) != null) {
			  if (discSubtitle.nodeName == 'LI' && discSubtitle.className == 'plinfo') {
				discSubtitle = discSubtitle.textContent.replace(/\s*:$/, '').trim();
				if (/\b(?:DIS[CK]|Volume|CD)\s*(\d+)\b/i.exec(discSubtitle)) discNumber = parseInt(RegExp.$1);
				break;
			  }
			}
			//if (discnumber > totalDiscs) totalDiscs = discnumber;
			trackNumber = parseInt(k.querySelector('span.track').textContent.trim());
			title = k.querySelector('span.title').textContent.trim().replace(/\s+/g, ' ');
			duration = timeStringToTime(k.querySelector('span.time').textContent);
			trackArtist = undefined;
			track = [
			  artist,
			  album,
			  albumYear,
			  releaseDate,
			  label,
			  undefined, // catalogue
			  undefined, // country
			  'lossless',
			  'FLAC', //format,
			  undefined,
			  undefined,
			  24,
			  sr * 1000,
			  2,
			  'WEB',
			  genres.join('; '),
			  discNumber,
			  totalDiscs,
			  discSubtitle,
			  trackNumber,
			  totalTracks,
			  title,
			  trackArtist,
			  undefined,
			  composer,
			  undefined,
			  undefined,
			  compiler,
			  producer,
			  duration,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  response.finalUrl,
			  undefined,
			  description,
			  undefined,
			];
			tracks.push(track.join('\x1E'));
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
		} });
		return true;
	  } else if (url.toLowerCase().includes('bandcamp.com')) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;
 
		  ref = dom.querySelector('span[itemprop="byArtist"] > a');
		  if (ref != null) artist = ref.textContent.trim();
		  ref = dom.querySelector('h2[itemprop="name"]');
		  if (ref != null) album = ref.textContent.trim();
		  ref = dom.querySelector('div.tralbum-credits');
		  if (ref != null && /\breleased\s+(.*?\b\d{4})\b/i.test(ref.textContent)) {
			releaseDate = RegExp.$1;
			albumYear = releaseDate;
		  }
		  ref = dom.querySelector('p#band-name-location > span.title');
		  if (ref != null) label = ref.textContent.trim();
		  let tags = new TagManager;
		  dom.querySelectorAll('div.tralbum-tags > a.tag').forEach(k => { tags.add(k.textContent.trim()) });
		  description = [];
		  dom.querySelectorAll('div.tralbumData').forEach(function(k) {
			if (!k.classList.contains('tralbum-tags')) description.push(html2php(k, response.finalUrl))
		  });
		  description = description.join('\n\n').replace(/\n/g, '\x1C').replace(/\r/g, '\x1D');
		  ref = dom.querySelectorAll('table.track_list > tbody > tr[itemprop="tracks"]');
		  totalTracks = ref.length;
		  ref.forEach(function(k) {
			trackNumber = parseInt(k.querySelector('div.track_number').textContent);
			title = k.querySelector('span.track-title').textContent.trim().replace(/\s+/g, ' ');
			duration = timeStringToTime(k.querySelector('span.time').textContent);
			trackArtist = undefined;
			track = [
			  artist,
			  album,
			  albumYear,
			  releaseDate,
			  label,
			  undefined, // catalogue
			  undefined, // country
			  undefined, //'lossless',
			  undefined, //'FLAC',
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  2,
			  'WEB',
			  tags.toString(),
			  discNumber,
			  totalDiscs,
			  undefined,
			  trackNumber,
			  totalTracks,
			  title,
			  trackArtist,
			  undefined,
			  composer,
			  undefined,
			  undefined,
			  compiler,
			  producer,
			  duration,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  response.finalUrl,
			  undefined,
			  description,
			  undefined,
			];
			tracks.push(track.join('\x1E'));
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
		} });
		return true;
	  } else if (url.toLowerCase().includes('prestomusic.com')) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;
 
		  artist = getArtists(dom.querySelector('div.c-product-block__contributors > p'));
		  ref = dom.querySelector('h1.c-product-block__title');
		  if (ref != null) album = ref.lastChild.textContent.trim();
		  dom.querySelectorAll('div.c-product-block__metadata > ul > li').forEach(function(k) {
			if (k.firstChild.textContent.includes('Release Date')) {
			  releaseDate = extract_year(k.lastChild.textContent);
			} else if (k.firstChild.textContent.includes('Label')) {
			  label = k.lastChild.textContent.trim();
			} else if (k.firstChild.textContent.includes('Catalogue No')) {
			  catalogue = k.lastChild.textContent.trim();
			}
		  });
		  albumYear = releaseDate;
		  let genre;
		  if (/\/jazz\//i.test(response.finalUrl)) genre = 'Jazz';
		  if (/\/classical\//i.test(response.finalUrl)) genre = 'Classical';
		  get_desc_from_node('div#about > div > p', response.finalUrl, true);
		  ref = dom.querySelectorAll('div#related > div > ul > li');
		  composer = [];
		  ref.forEach(function(k) {
			if (k.parentNode.previousElementSibling.textContent.includes('Composers')) {
			  composer.push(k.firstChild.textContent.trim().replace(/^(.*?)\s*,\s+(.*)$/, '$2 $1'));
			}
		  });
		  composer = composer.join(', ') || undefined;
		  ref = dom.querySelectorAll('div.has--sample');
		  totalTracks = ref.length;
		  trackNumber = 0;
		  ref.forEach(function(k) {
			trackNumber = ++trackNumber;
			title = k.querySelector('p.c-track__title').textContent.trim().replace(/\s+/g, ' ');
			duration = timeStringToTime(k.querySelector('div.c-track__duration').textContent);
			if (k.classList.contains('c-track')) {
			  trackArtist = getArtists(k.parentNode.parentNode.querySelector(':scope > div.c-track__details > ul > li'));
			  discSubtitle = k.parentNode.parentNode.querySelector(':scope > div > div > div > p.c-track__title');
			  discSubtitle = discSubtitle != null ? discSubtitle.textContent.trim() : undefined;
			} else {
			  trackArtist = getArtists(k.querySelector(':scope > div.c-track__details > ul > li'));
			  discSubtitle = undefined;
			}
			if (trackArtist == artist) trackArtist = undefined;
			track = [
			  artist,
			  album,
			  albumYear,
			  releaseDate,
			  label,
			  catalogue,
			  undefined, // country
			  undefined, //encoding,
			  undefined, //format,
			  undefined,
			  undefined, //bitrate,
			  undefined, //bd,
			  undefined, //sr * 1000,
			  2,
			  'WEB',
			  genre,
			  discNumber,
			  totalDiscs,
			  discSubtitle,
			  trackNumber,
			  totalTracks,
			  title,
			  trackArtist,
			  undefined,
			  composer,
			  undefined,
			  undefined,
			  compiler,
			  producer,
			  duration,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  response.finalUrl,
			  undefined,
			  description,
			  undefined,
			];
			tracks.push(track.join('\x1E'));
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
 
		  function getArtists(elem) {
			if (elem == null) return undefined;
			var artists = [];
			elem.textContent.trim().split(multiArtistParser).forEach(function(it) {
			  artists.push(it.replace(/\s*\([^\(\)]*\)$/, ''));
			});
			return artists.join(', ');
		  }
		} });
		return true;
	  } else if (url.toLowerCase().includes('discogs.com/') && /\/releases?\/(\d+)\b/i.test(url)) {
		GM_xmlhttpRequest({ method: 'GET', url: 'https://api.discogs.com/releases/' + RegExp.$1, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  var json = JSON.parse(response.responseText);
		  if (json == null) return;
 
		  const removeArtistNdx = /\s*\(\d+\)$/;
		  function getArtists(root) {
			function filterArtists(rx, anv = true) {
			  return root.extraartists instanceof Array && rx instanceof RegExp ?
				root.extraartists
				.filter(it => rx.test(it.role))
				.map(it => (anv && it.anv || it.name || '').replace(removeArtistNdx, '')) : [];
			}
			var artists = [];
			for (var ndx = 0; ndx < 7; ++ndx) artists[ndx] = [];
			ndx = 0;
			if (root.artists) root.artists.forEach(function(it) {
			  artists[ndx].push((it.anv || it.name).replace(removeArtistNdx, ''));
			  if (/^feat/i.test(it.join)) ndx = 1;
			});
			return [
			  artists[0],
			  artists[1].concat(filterArtists(/^(?:featuring)$/i)),
			  artists[2].concat(filterArtists(/\b(?:Remixed[\s\-]By|Remixer)\b/i)),
			  artists[3].concat(filterArtists(/\b(?:(?:Written|Composed)[\s\-]By|Composer)\b/i, false)),
			  artists[4].concat(filterArtists(/\b(?:Conducted[\s\-]By|Conductor)\b/i)),
			  artists[5].concat(filterArtists(/\b(?:Compiled[\s\-]By|Compiler)\b/i)),
			  artists[6].concat(filterArtists(/\b(?:Produced[\s\-]By|Producer)\b/i)),
			  // filter off from performers
			  filterArtists(/\b(?:(?:Mixed)[\s\-]By|Mixer)\b/i),
			  filterArtists(/\b(?:(?:Written|Composed)[\s\-]By|Composer)\b/i, true),
			];
		  }
 
		  var albumArtists = getArtists(json);
		  if (albumArtists[0].length > 0) {
			artist = albumArtists[0].join('; ');
			if (albumArtists[1].length > 0) artist += ' feat. ' + albumArtists[1].join('; ');
		  }
		  album = json.title;
		  var editions = [];
		  if (editions.length > 0) album += ' (' + editions.join(' / ') + ')';
		  releaseDate = json.released;
		  albumYear = json.year;
		  label = [];
		  catalogue = [];
		  json.labels.forEach(function(it) {
			//if (it.entity_type_name != 'Label') return;
			if (!/^Not On Label\b/i.test(it.name)) label.pushUniqueCaseless(it.name.replace(removeArtistNdx, ''));
			catalogue.pushUniqueCaseless(it.catno);
		  });
		  description = '';
		  if (json.companies && json.companies.length > 0) {
			description = '[b]Companies, etc.[/b]\n';
			let type_names = new Set(json.companies.map(it => it.entity_type_name));
			type_names.forEach(function(type_name) {
			  description += '\n' + type_name + ' – ' + json.companies
				.filter(it => it.entity_type_name == type_name)
			  	.map(function(it) {
				  var result = it.name.replace(removeArtistNdx, '');
				  if (it.catno) result += ' – ' + it.catno;
				  return result;
			  	})
			  	.join(', ');
			});
		  }
		  if (json.extraartists && json.extraartists.length > 0) {
			if (description) description += '\n\n';
			description += '[b]Credits[/b]\n';
			let roles = new Set(json.extraartists.map(it => it.role));
			roles.forEach(function(role) {
			  description += '\n' + role + ' – ' + json.extraartists
				.filter(it => it.role == role)
			  	.map(function(it) {
				  var result = '[artist]' + (it.anv || it.name).replace(removeArtistNdx, '') + '[/artist]';
				  if (it.tracks) result += ' (tracks: ' + it.tracks + ')';
				  return result;
			  	})
			  	.join(', ');
			});
		  }
		  if (json.notes) {
			if (description) description += '\n\n';
			description += '[b]Notes[/b]\n\n' + json.notes.trim();
		  }
		  if (json.identifiers && json.identifiers.length > 0) {
			if (description) description += '\n\n';
			description += '[b]Barcode and Other Identifiers[/b]\n';
			json.identifiers.forEach(function(it) {
			  description += '\n' + it.type;
			  if (it.description) description += ' (' + it.description + ')';
			  description += ': ' + it.value;
			});
		  }
		  country = json.country;
		  totalTracks = json.tracklist.length;
		  totalDiscs = json.format_quantity;
		  var identifiers = ['DISCOGS_ID=' + json.id];
		  [
			['Single', 'Single'],
			['EP', 'EP'],
			['Compilation', 'Compilation'],
			['Soundtrack', 'Soundtrack'],
		  ].forEach(function(k) {
			if (json.formats.every(it => it.descriptions && it.descriptions.includesCaseless(k[0]))) {
			  identifiers.push('RELEASETYPE=' + k[1]);
			}
		  });
		  json.identifiers.forEach(function(it) {
			identifiers.push(it.type.replace(/\W+/g, '_').toUpperCase() + '=' + it.value.replace(/\s/g, '\x1B'));
		  });
		  json.formats.forEach(function(it) {
			if (it.descriptions) it.descriptions.forEach(function(it) {
			  if (/^(?:.+?\s+Edition|Remaster(?:ed)|Reissue|.+?\s+Release|Enhanced|Promo)$/.test(it)) {
				editions.push(it);
			  }
			});
			if (media) return;
			if (it.name.includes('File')) {
			  if (['FLAC', 'WAV', 'AIF', 'AIFF', 'PCM'].some(k => it.descriptions.includes(k))) {
				media = 'WEB'; encoding = 'lossless'; format = 'FLAC';
			  } else if (it.descriptions.includes('AAC')) {
				media = 'WEB'; encoding = 'lossy'; format = 'AAC'; bd = undefined;
				if (/(\d+)\s*kbps\b/i.test(it.text)) bitrate = parseInt(RegExp.$1);
			  } else if (it.descriptions.includes('MP3')) {
				media = 'WEB'; encoding = 'lossy'; format = 'MP3'; bd = undefined;
				if (/(\d+)\s*kbps\b/i.test(it.text)) bitrate = parseInt(RegExp.$1);
			  }
			} else if (['CD', 'DVD', 'Vinyl', 'LP', '7"', '12"', '10"', '5"', 'SACD', 'Hybrid', 'Blu',
						'Cassette','Cartridge', 'Laserdisc', 'VCD'].some(k => it.name.includes(k))) media = it.name;
		  });
		  json.tracklist.forEach(function(it) {
			if (it.type_.toLowerCase() == 'heading') {
			  discSubtitle = it.title;
			} else if (it.type_.toLowerCase() == 'track') {
			  if (/^([a-zA-Z]+)?(\d+)-(\w+)$/.test(it.position)) {
				if (RegExp.$1) identifiers.push('VOL_MEDIA=' + RegExp.$1.replace(/\s/g, '\x1B'));
				discNumber = RegExp.$2;
				trackNumber = RegExp.$3;
			  } else {
				discNumber = undefined;
				trackNumber = it.position;
			  }
			  let trackArtists = getArtists(it);
			  if (trackArtists[0].length > 0 && !trackArtists[0].equalTo(albumArtists[0])
				  || trackArtists[1].length > 0 && !trackArtists[1].equalTo(albumArtists[1])) {
				trackArtist = (trackArtists[0].length > 0 ? trackArtists : albumArtists)[0].join('; ');
				if (trackArtists[1].length > 0) trackArtist += ' feat. ' + trackArtists[1].join('; ');
			  } else {
				trackArtist = null;
			  }
			  title = it.title;
			  duration = timeStringToTime(it.duration);
			  let performer = it.extraartists instanceof Array && it.extraartists
			  	.map(it => (it.anv || it.name).replace(removeArtistNdx, ''))
			  	.filter(function(artist) {
				  return !albumArtists.slice(2).some(it => it instanceof Array && it.includes(artist))
				  	&& !trackArtists.slice(2).some(it => it instanceof Array && it.includes(artist))
				});
			  track = [
				artist,
				album,
				albumYear,
				releaseDate,
				label.join(' / '),
				catalogue.join(' / '),
				country,
				encoding,
				format,
				undefined,
				bitrate,
				bd,
				undefined, // samplerate
				undefined, // channels
				media,
				(json.genres ? json.genres.join('; ') : '') + (json.styles ? ' | ' + json.styles.join('; ') : ''),
				discNumber,
				totalDiscs,
				discSubtitle,
				trackNumber,
				totalTracks,
				title,
				trackArtist,
				performer instanceof Array && performer.join('; ') || undefined,
				stringyfyRole(3), // composers
				stringyfyRole(4), // conductors
				stringyfyRole(2), // remixers
				stringyfyRole(5), // DJs/compilers
				stringyfyRole(6), // producers
				duration,
				undefined,
				undefined,
				undefined,
				undefined,
				undefined, // URL
				undefined,
				description.replace(/\n/g, '\x1C').replace(/\r/g, '\x1D'),
				identifiers.join(' '),
			  ];
			  tracks.push(track.join('\x1E'));
 
			  function stringyfyRole(ndx) {
				return (trackArtists[ndx] instanceof Array && trackArtists[ndx].length > 0 ?
						trackArtists : albumArtists)[ndx].join('; ');
			  }
			}
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
		} });
		return true;
	  } else if (url.toLowerCase().includes('supraphonline.cz')) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;
 
		  var genre;
		  artist = [];
		  dom.querySelectorAll('h2.album-artist > a').forEach(function(it) {
			artist.pushUnique(it.title.trim());
		  });
		  ref = dom.querySelector('span[itemprop="byArtist"] > meta[itemprop="name"]');
		  if (ref != null && /^(?:Různí\s+interpreti)$/i.test(ref.content)) isVA = true;
		  if ((ref = dom.querySelector('h1[itemprop="name"]')) != null) album = ref.firstChild.data.trim();
		  if ((ref = dom.querySelector('meta[itemprop="numTracks"]')) != null) totalTracks = parseInt(ref.content);
		  if ((ref = dom.querySelector('meta[itemprop="genre"]')) != null) genre = ref.content;
		  if ((ref = dom.querySelector('li.album-version > div.selected > div')) != null) {
			if (/\b(?:CD)\b/.test(ref.textContent)) { media = 'CD'; }
			if (/\b(?:LP)\b/.test(ref.textContent)) { media = 'Vinyl'; }
			if (/\b(?:MP3)\b/.test(ref.textContent)) { media = 'WEB'; encoding = 'lossy'; format = 'MP3'; }
			if (/\b(?:FLAC)\b/.test(ref.textContent)) { media = 'WEB'; encoding = 'lossless'; format = 'FLAC'; bd = 16; }
			if (/\b(?:Hi[\s\-]*Res)\b/.test(ref.textContent)) { media = 'WEB'; encoding = 'lossless'; format = 'FLAC'; bd = 24; }
		  }
		  dom.querySelectorAll('ul.summary > li').forEach(function(it) {
			if (it.children.length < 1) return;
			if (it.children[0].textContent.includes('Nosič')) media = it.lastChild.textContent.trim();
			if (it.children[0].textContent.includes('Datum vydání')) releaseDate = normalizeDate(it.lastChild.textContent);
			//if (it.children[0].textContent.includes('Žánr')) genre = it.lastChild.textContent.trim();
			if (it.children[0].textContent.includes('Vydavatel')) label = it.lastChild.textContent.trim();
			if (it.children[0].textContent.includes('Katalogové číslo')) catalogue = it.lastChild.textContent.trim();
			if (it.children[0].textContent.includes('Formát')) {
			  if (/\b(?:FLAC|WAV|AIFF?)\b/.test(it.lastChild.textContent)) { encoding = 'lossless'; format = 'FLAC'; }
			  if (/\b(\d+)[\-\s]?bits?\b/i.test(it.lastChild.textContent)) bd = parseInt(RegExp.$1);
			  if (/\b([\d\.\,]+)[\-\s]?kHz\b/.test(it.lastChild.textContent)) sr = parseFloat(RegExp.$1.replace(',', '.'));
			}
			if (it.children[0].textContent.includes('Celková stopáž')) totalTime = timeStringToTime(it.lastChild.textContent.trim());
			if (/^(?:\([PC]\)|℗|©)$/i.test(it.children[0].textContent)) albumYear = extract_year(it.lastChild.data);
		  });
		  [
			[/^(?:Orchestrální\s+hudba)$/i, 'Orchestral Music'],
			[/^(?:Komorní\s+hudba)$/i, 'Chamber Music'],
			[/^(?:Vokální)$/i, 'Classical, Vocal'],
			[/^(?:Klasická\s+hudba)$/i, 'Classical'],
			[/^(?:Melodram)$/i, 'Classical, Melodram'],
			[/^(?:Symfonie)$/i, 'Symphony'],
			[/^(?:Vánoční\s+hudba)$/i, 'Christmas Music'],
			[/^(?:Alternativní)$/i, 'Alternative'],
			[/^(?:Dechová\s+hudba)$/i, 'Brass Music'],
			[/^(?:Elektronika)$/i, 'Electronic'],
			[/^(?:Folklor)$/i, 'Folclore, World Music'],
			[/^(?:Instrumentální\s+hudba)$/i, 'Instrumental'],
			[/^(?:Latinské\s+rytmy)$/i, 'Latin'],
			[/^(?:Meditační\s+hudba)$/i, 'Meditative'],
			[/^(?:Pro\s+děti)$/i, 'Children'],
		  ].forEach(it => { if (it[0].test(genre)) genre = it[1] });
		  const creators = [
			'autoři',
			'interpreti',
			'tělesa',
			'digitalizace',
		  ];
		  var ndx, artists = [];
		  for (i = 0; i < 4; ++i) artists[i] = {};
		  dom.querySelectorAll('ul.sidebar-artist > li').forEach(function(it) {
			if ((ref = it.querySelector('h3')) != null) {
			  ndx = undefined;
			  creators.forEach((it, _ndx) => { if (ref.textContent.includes(it)) ndx = _ndx });
			} else {
			  if (typeof ndx != 'number') return;
			  ref = it.querySelector('span');
			  let key = ref != null ? ref.textContent.replace(/\s*:.*$/, '').toLowerCase() : undefined;
			  [
				[/zpěv/, 'vocals'],
				[/hudba/, 'music'],
				[/původní text/, 'original lyrics'],
				[/text/, 'lyrics'],
				[/autor/, 'author'],
				[/účinkuje/, 'participating'],
			  ].forEach(it => { if (it[0].test(key)) key = it[1] });
			  if (!(artists[ndx][key] instanceof Array)) artists[ndx][key] = [];
			  artists[ndx][key].pushUnique(it.querySelector('a').textContent.trim());
			}
		  });
		  get_desc_from_node('div[itemprop="description"] p', response.finalUrl, true);
		  composer = [];
		  var performers = [];
		  function dumpArtist(ndx, role, title) {
			if (!role || role == 'undefined') return;
			if (description.length > 0) description += '\x1C' ;
			description += role + ' – ';
			description += artists[ndx][role].join(', ');
		  }
		  for (iter = 1; iter < 3; ++iter) Object.keys(artists[iter]).forEach(function(it) {
			performers.pushUnique(...artists[iter][it]);
			dumpArtist(iter, it);
		  });
		  Object.keys(artists[0]).forEach(it => {
			composer.pushUnique(...artists[0][it])
			dumpArtist(0, it);
		  });
		  Object.keys(artists[3]).forEach(function(it) {
			dumpArtist(3, it);
		  });
		  dom.querySelectorAll('table.table-tracklist > tbody > tr').forEach(function(it) {
			if (it.classList.contains('cd-header')) {
			  discNumber = /\b\d+\b/.test(it.querySelector('h3').firstChild.data.trim())
			  	&& parseInt(RegExp.lastMatch) || undefined;
			}
			if (it.classList.contains('song-header')) {
			  discSubtitle = it.children[0].title.trim() || undefined;
			}
			if (it.classList.contains('track') && it.id) {
			  if (/^\s*(\d+)\.?\s*$/.test(it.children[0].firstChild.textContent)) {
				trackNumber = parseInt(RegExp.$1);
			  }
			  ref = it.querySelectorAll('meta[itemprop="name"]');
			  if (ref.length > 0) title = ref[0].content;
			  if (/^PT(\d+)H(\d+)M(\d+)S$/i.test(it.querySelector('meta[itemprop="duration"]').content)) {
				duration = parseInt(RegExp.$1 || 0) * 60**2 + parseInt(RegExp.$2 || 0) * 60 + parseInt(RegExp.$3 || 0);
			  }
			  track = [
				isVA ? 'Various Artists' : artist.join('; '),
				album,
				albumYear,
				releaseDate,
				label,
				catalogue,
				undefined, // country
				encoding,
				format,
				undefined,
				undefined,
				bd,
				sr * 1000,
				2,
				media,
				genre,
				discNumber,
				totalDiscs,
				discSubtitle,
				trackNumber,
				totalTracks,
				title,
				trackArtist,
				performers.join('; '),
				composer.join('; '),
				undefined,
				undefined,
				undefined, // compiler
				undefined, // producer
				duration,
				undefined,
				undefined,
				undefined,
				undefined,
				response.finalUrl,
				undefined,
				description,
				/^track-(\d+)$/i.test(it.id) ? 'TRACK_ID=' + RegExp.$1 : undefined,
			  ];
			  tracks.push(track.join('\x1E'));
			}
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
		} });
		return true;
	  } else if (url.toLowerCase().includes('bontonland.cz')) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;
 
		  ref = dom.querySelector('div#detailheader > h1');
		  if (ref != null && /^(.*?)\s*:\s*(.*)$/.test(ref.textContent.trim())) {
			artist = RegExp.$1;
			album = RegExp.$2;
		  }
		  var EAN;
		  dom.querySelectorAll('table > tbody > tr > td.nazevparametru').forEach(function(it) {
			if (it.textContent.includes('Datum vydání')) {
			  releaseDate = normalizeDate(it.nextElementSibling.textContent);
			  albumYear = extract_year(it.nextElementSibling.textContent);
			} else if (it.textContent.includes('Nosič / počet')) {
			  if (/^(.*?)\s*\/\s*(.*)$/.test(it.nextElementSibling.textContent)) {
				media = RegExp.$1;
				totalDiscs = RegExp.$2;
			  }
			} else if (it.textContent.includes('Interpret')) {
			  artist = it.nextElementSibling.textContent.trim();
			} else if (it.textContent.includes('EAN')) {
			  EAN = 'BARCODE=' + it.nextElementSibling.textContent.trim();
			}
		  });
		  get_desc_from_node('div#detailtabpopis > div[class^="pravy"] > div > p:not(:last-of-type)', response.finalUrl, true);
		  const plParser = /^(\d+)(?:\s*[\/\.\-\:\)])?\s+(.*?)(?:\s+((?:(?:\d+:)?\d+:)?\d+))?$/;
		  ref = dom.querySelector('div#detailtabpopis > div[class^="pravy"] > div > p:last-of-type');
		  if (ref == null) throw new Error('Playlist not located');
		  var trackList = html2php(ref).split(/[\r\n]+/);
		  trackList = trackList.filter(it => plParser.test(it.trim())).map(it => plParser.exec(it.trim()));
		  totalTracks = trackList.length;
		  if (!totalTracks) throw new Error('Playlist empty');
		  trackList.forEach(function(it) {
			trackNumber = it[1];
			title = it[2];
			duration = timeStringToTime(it[3]);
			trackArtist = undefined;
			track = [
			  artist,
			  album,
			  albumYear,
			  releaseDate,
			  label,
			  undefined, // catalogue
			  undefined, // country
			  undefined, // encoding
			  undefined, // format
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  'CD', // media
			  undefined, // genre
			  discNumber,
			  totalDiscs,
			  discSubtitle,
			  trackNumber,
			  totalTracks,
			  title,
			  trackArtist,
			  undefined,
			  undefined, // composer
			  undefined,
			  undefined,
			  undefined, // compiler
			  undefined, // producer
			  duration,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  response.finalUrl,
			  undefined,
			  description,
			  EAN,
			];
			tracks.push(track.join('\x1E'));
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
		} });
		return true;
	  } else if (url.toLowerCase().includes('nativedsd.com')) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;
 
		  var NDSD_ID = 'ORIGINALFORMAT=DSD', genre;
		  ref = dom.querySelector('div.the-content > header > h2');
		  if (ref != null) artist = ref.firstChild.data.trim();
		  ref = dom.querySelector('div.the-content > header > h1');
		  if (ref != null) album = ref.firstChild.data.trim();
		  ref = dom.querySelector('div.the-content > header > h3');
		  if (ref != null) composer = ref.firstChild.data.trim();
		  ref = dom.querySelector('div.the-content > header > h1 > small');
		  if (ref != null) albumYear = extract_year(ref.firstChild.data);
		  releaseDate = albumYear; // weak
		  ref = dom.querySelector('div#breadcrumbs > div[class] > a:nth-of-type(2)');
		  if (ref != null) label = ref.firstChild.data.trim();
		  ref = dom.querySelector('h2#sku');
		  if (ref != null) {
			if (/^Catalog Number: (.*)$/m.test(ref.firstChild.textContent)) catalogue = RegExp.$1;
			if (/^ID: (.*)$/m.test(ref.lastChild.textContent)) NDSD_ID += ' NATIVEDSD_ID=' + RegExp.$1;
		  }
		  get_desc_from_node('div.the-content > div.entry > p', response.finalUrl, false);
		  ref = dom.querySelector('div#repertoire > div > p');
		  if (ref != null) {
			let repertoire = html2php(ref, url).trim();
			let ndx = repertoire.indexOf('\n[b]Track');
			if (description) description += '\x1C\x1C';
			description += (ndx >= 0 ? repertoire.slice(0, ndx).trim() : repertoire)
			  .replace(/\n/g, '\x1C').replace(/\r/g, '\x1D');
		  }
		  ref = dom.querySelectorAll('div#techspecs > table > tbody > tr');
		  if (ref.length > 0) {
			if (description) description += '\x1C\x1C';
			description += '[b][u]Tech specs[/u][/b]';
			ref.forEach(function(it) {
			  description += '\n[b]'.concat(it.children[0].textContent.trim(), '[/b] ',
				it.children[1].textContent.trim()).replace(/\n/g, '\x1C').replace(/\r/g, '\x1D');
			});
		  }
		  ref = dom.querySelectorAll('div#track-list > table > tbody > tr[id^="track"]');
		  totalTracks = ref.length;
		  ref.forEach(function(it) {
			ref = it.children[0].children[0];
			if (ref != null) trackNumber = parseInt(ref.firstChild.data.trim().replace(/\..*$/, ''));
			let trackComposer;
			ref = it.children[1];
			if (ref != null) {
			  title = ref.firstChild.textContent.trim();
			  trackComposer = ref.childNodes[2] && ref.childNodes[2].textContent.trim() || undefined;
			}
			ref = it.children[2];
			if (ref != null) duration = timeStringToTime(ref.firstChild.data);
			track = [
			  artist,
			  album,
			  albumYear,
			  releaseDate,
			  label,
			  catalogue,
			  undefined, // country
			  'lossless', // encoding
			  'FLAC', // format
			  undefined,
			  undefined, // bitrate
			  24, //bd,
			  88200,
			  2,
			  'WEB',
			  genre, // 'Jazz'
			  discNumber,
			  totalDiscs,
			  discSubtitle,
			  trackNumber,
			  totalTracks,
			  title,
			  trackArtist,
			  undefined,
			  trackComposer || composer,
			  undefined,
			  undefined,
			  compiler,
			  producer,
			  duration,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  response.finalUrl,
			  undefined,
			  description,
			  NDSD_ID + ' TRACK_ID=' + it.id.replace(/^track-/i, ''),
			];
			tracks.push(track.join('\x1E'));
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
 
		  function getArtists(elem) {
			if (elem == null) return undefined;
			var artists = [];
			elem.textContent.trim().split(multiArtistParser).forEach(function(it) {
			  artists.push(it.replace(/\s*\([^\(\)]*\)$/, ''));
			});
			return artists.join(', ');
		  }
		} });
		return true;
	  }
	  addMessage('This domain not supported', 'ua-critical');
	  return false;
 
	  function get_desc_from_node(selector, url, quote = false) {
		description = [];
		dom.querySelectorAll(selector).forEach(k => { description.push(html2php(k, url).trim()) });
		description = description.join('\n\n').trim().replace(/\n/g, '\x1C').replace(/\r/g, '\x1D');
		if (quote && description.length > 0) description = '[quote]' + description + '[/quote]';
	  }
	} // init_from_url_music
 
	function normalizeDate(str) {
	  if (typeof str != 'string') return null;
	  return /\b(d{4}-\d+-\d+|\d{1,2}\/\d{1,2}\/\d{2})\b/.test(str) ? RegExp.$1 :
		/\b(\d{1,2})\/(\d{1,2})\/(\d{4})\b/.test(str) ? RegExp.$2 + '/' + RegExp.$1 + '/' + RegExp.$3 :
		/\b(\d{1,2})\.\s?(\d{1,2})\.\s?(\d{2}|\d{4})\b/.test(str) ? RegExp.$2 + '/' + RegExp.$1 + '/' + RegExp.$3 :
		extract_year(str);
	}
 
	function fetch_image_from_store(response) {
	  if (response.readyState != 4 || !response.responseText) return;
	  dom = domparser.parseFromString(response.responseText, "text/html");
	  if (dom == null) return;
	  function testDomain(url, selector) {
		return typeof url == 'string' && response.finalUrl.toLowerCase().includes(url.toLowerCase()) ?
		  dom.querySelector(selector) : null;
	  }
	  if ((ref = testDomain('qobuz.com', 'div.album-cover > img')) != null) {
		setImage(ref.src);
	  } else if ((ref = testDomain('highresaudio.com', 'div.albumbody > img.cover[data-pin-media]')) != null) {
		setImage(ref.dataset.pinMedia);
	  } else if ((ref = testDomain('bandcamp.com', 'div#tralbumArt > a.popupImage')) != null) {
		setImage(ref.href);
	  } else if ((ref = testDomain('7digital.com', 'span.release-packshot-image > img[itemprop="image"]')) != null) {
		setImage(ref.src);
	  } else if ((ref = testDomain('hdtracks.com', 'p.product-image > img')) != null) {
		setImage(ref.src);
	  } else if ((ref = testDomain('discogs.com', 'div#view_images > p:first-of-type > span > img')) != null) {
		setImage(ref.src);
	  } else if ((ref = testDomain('junodownload.com', 'a.productimage')) != null) {
		setImage(ref.href);
	  } else if ((ref = testDomain('supraphonline.cz', 'meta[itemprop="image"]')) != null) {
		setImage(ref.content.replace(/\?.*$/, ''));
	  } else if ((ref = testDomain('prestomusic.com', 'div.c-product-block__aside > a')) != null) {
		setImage(ref.href.replace(/\?\d+$/, ''));
	  } else if ((ref = testDomain('bontonland.cz', 'a.detailzoom')) != null) {
		setImage(ref.href);
	  } else if ((ref = testDomain('nativedsd.com', 'a#album-cover')) != null) {
		setImage(ref.href);
	  }
	}
 
	function reqSelectFormats(...vals) {
	  vals.forEach(function(val) {
		[
		  ['MP3', 0],
		  ['FLAC', 1],
		  ['AAC', 2],
		  ['AC3', 3],
		  ['DTS', 4],
		].forEach(function(fmt) {
		  if (val == fmt[0] && (ref = document.getElementById('format_' + fmt[1])) != null) {
			ref.checked = true;
			ref.onchange();
		  }
		});
	  });
	}
 
	function reqSelectBitrates(...vals) {
	  vals.forEach(function(val) {
		var ndx = 10;
		[
		  [192, 0],
		  ['APS (VBR)', 1],
		  ['V2 (VBR)', 2],
		  ['V1 (VBR)', 3],
		  [256, 4],
		  ['APX (VBR)', 5],
		  ['V0 (VBR)', 6],
		  [320, 7],
		  ['Lossless', 8],
		  ['24bit Lossless', 9],
		  ['Other', 10],
		].forEach(k => { if (val == k[0]) ndx = k[1] });
		if ((ref = document.getElementById('bitrate_' + ndx)) != null) {
		  ref.checked = true;
		  ref.onchange();
		}
	  });
	}
 
	function reqSelectMedias(...vals) {
	  vals.forEach(function(val) {
		[
		  ['CD', 0],
		  ['DVD', 1],
		  ['Vinyl', 2],
		  ['Soundboard', 3],
		  ['SACD', 4],
		  ['DAT', 5],
		  ['Cassette', 6],
		  ['WEB', 7],
		  ['Blu-Ray', 8],
		].forEach(function(med) {
		  if (val == med[0] && (ref = document.getElementById('media_' + med[1])) != null) {
			ref.checked = true;
			ref.onchange();
		  }
		});
		if (val == 'CD') {
		  if ((ref = document.getElementById('needlog')) != null) {
			ref.checked = true;
			ref.onchange();
			if ((ref = document.getElementById('minlogscore')) != null) ref.value = 100;
		  }
		  if ((ref = document.getElementById('needcue')) != null) ref.checked = true;
		  //if ((ref = document.getElementById('needchecksum')) != null) ref.checked = true;
		}
	  });
	}
 
  	function getReleaseIndex(str) {
	  var ndx;
	  [
		['Album', 1],
		['Soundtrack', 3],
		['EP', 5],
		['Anthology', 6],
		['Compilation', 7],
		['Single', 9],
		['Live album', 11],
		['Remix', 13],
		['Bootleg', 14],
		['Interview', 15],
		['Mixtape', 16],
		['Demo', 17],
		['Concert Recording', 18],
		['DJ Mix', 19],
		['Unknown', 21],
	  ].forEach(k => { if (str.toLowerCase() == k[0].toLowerCase()) ndx = k[1] });
	  return ndx || 21;
	}
 
	function joinArtists(arr, prefix, postfix) {
	  if (!(arr instanceof Array)) return null;
	  if (arr.find(it => it.includes('&')) != undefined) return arr.map(decorator).join(', ');
	  if (arr.length < 3) return arr.map(decorator).join(' & ');
	  var foo = arr.slice(-1).map(decorator);
	  foo.unshift(arr.slice(0, -1).map(decorator).join(', '));
	  return foo.join(' & ');
 
	  function decorator(it) {
		var result = it;
		if (prefix) result = prefix.concat(result);
		if (postfix) result += postfix;
		return result;
	  }
	}
  } // fill_from_text_music
 
  function fill_from_text_apps() {
	if (messages != null) messages.parentNode.removeChild(messages);
	if (!urlParser.test(clipBoard.value)) {
	  addMessage('Only URL accepted for this category', 'ua-critical');
	  return false;
	}
	url = RegExp.$1;
	var description, tags = new TagManager();
	if (url.toLowerCase().includes('//sanet')) {
	  GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		if (response.readyState != 4 || response.status != 200) return;
		dom = domparser.parseFromString(response.responseText, "text/html");
 
		i = dom.querySelector('h1.item_title > span');
		if (element_writable(ref = document.getElementById('title'))) {
		  ref.value = i != null ? i.textContent.
			replace(/\(x64\)$/i, '(64-bit)').
			replace(/\b(?:Build)\s+(\d+)/, 'build $1').
			replace(/\b(?:Multilingual|Multilanguage)\b/, 'multilingual') : null;
		}
		description = html2php(dom.querySelector('section.descr'), response.finalUrl);
		if (/\s*^(?:\[i\]\[\/i\])?Homepage$.*/m.test(description)) description = RegExp.leftContext;
		description = description.trim().split(/\n/).slice(5).map(k => k.trimRight()).join('\n').trim();
		ref = dom.querySelector('section.descr > div.release-info');
		var releaseInfo = ref != null && ref.textContent.trim();
		if (/\b(?:Languages?)\s*:\s*(.*?)\s*(?:$|\|)/i.exec(releaseInfo) != null) {
		  description += '\n\n[b]Languages:[/b]\n' + RegExp.$1;
		}
		ref = dom.querySelector('div.txtleft > a');
		if (ref != null) description += '\n\n[b]Product page:[/b]\n[url]' + de_anonymize(ref.href) + '[/url]';
		write_description(description);
		if ((ref = dom.querySelector('section.descr > div.center > a.mfp-image')) != null) {
		  setImage(ref.href);
		} else {
		  ref = dom.querySelector('section.descr > div.center > img[data-src]');
		  if (ref != null) setImage(ref.dataset.src);
		}
		var cat = dom.querySelector('a.cat:last-of-type > span');
		if (cat != null) {
		  if (cat.textContent.toLowerCase() == 'windows') {
			tags.add('apps.windows');
			if (/\b(?:x64)\b/i.test(releaseInfo)) tags.add('win64');
			if (/\b(?:x86)\b/i.test(releaseInfo)) tags.add('win32');
		  }
		  if (cat.textContent.toLowerCase() == 'macos') tags.add('apps.mac');
		  if (cat.textContent.toLowerCase() == 'linux' || cat.textContent.toLowerCase() == 'unix') tags.add('apps.linux');
		  if (cat.textContent.toLowerCase() == 'android') tags.add('apps.android');
		  if (cat.textContent.toLowerCase() == 'ios') tags.add('apps.ios');
		}
		if (tags.length > 0 && element_writable(ref = document.getElementById('tags'))) {
		  ref.value = tags.toString();
		}
	  }, });
	  return true;
	}
	addMessage('This domain not supported', 'ua-critical');
	return false;
  }
 
  function fill_from_text_books() {
	if (messages != null) messages.parentNode.removeChild(messages);
	if (!urlParser.test(clipBoard.value)) {
	  addMessage('Only URL accepted for this category', 'ua-critical');
	  return false;
	}
	url = RegExp.$1;
	var description, tags = new TagManager();
	if (url.toLowerCase().includes('martinus.cz') || url.toLowerCase().includes('martinus.sk')) {
	  GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		if (response.readyState != 4 || response.status != 200) return;
		dom = domparser.parseFromString(response.responseText, "text/html");
 
		function get_detail(x, y) {
		  var ref = dom.querySelector('section#details > div > div > div:first-of-type > div:nth-child(' +
			x + ') > dl:nth-child(' + y + ') > dd');
		  return ref != null ? ref.textContent.trim() : null;
		}
 
		i = dom.querySelectorAll('article > ul > li > a');
		if (i.length > 0 && element_writable(ref = document.getElementById('title'))) {
		  description = joinAuthors(i);
		  if ((i = dom.querySelector('article > h1')) != null) description += ' - ' + i.textContent.trim();
		  i = dom.querySelector('div.bar.mb-medium > div:nth-child(1) > dl > dd > span');
		  if (i != null && (i = extract_year(i.textContent))) description += ' (' + i + ')';
		  ref.value = description;
		}
 
		description = '[quote]' + html2php(dom.querySelector('section#description > div')).
			replace(/^\s*\[img\].*?\[\/img\]\s*/i, '') + '[/quote]';
		const translation_map = [
		  [/\b(?:originál)/i, 'Original title'],
		  [/\b(?:datum|dátum|rok)\b/i, 'Release date'],
		  [/\b(?:katalog|katalóg)/i, 'Catalogue #'],
		  [/\b(?:stran|strán)\b/i, 'Page count'],
		  [/\bjazyk/i, 'Language'],
		  [/\b(?:nakladatel|vydavatel)/i, 'Publisher'],
		  [/\b(?:doporuč|ODPORÚČ)/i, 'Age rating'],
		];
		dom.querySelectorAll('section#details > div > div > div:first-of-type > div > dl').forEach(function(detail) {
		  var lbl = detail.children[0].textContent.trim();
		  var val = detail.children[1].textContent.trim();
		  if (/\b(?:rozm)/i.test(lbl) || /\b(?:vazba|vázba)\b/i.test(lbl)) return;
		  translation_map.forEach(k => { if (k[0].test(lbl)) lbl = k[1] });
		  if (/\b(?:ISBN)\b/i.test(lbl)) {
			val = '[url=https://www.worldcat.org/isbn/' + detail.children[1].textContent.trim() +
			  ']' + detail.children[1].textContent.trim() + '[/url]';
// 		  } else if (/\b(?:ISBN)\b/i.test(lbl)) {
// 			val = '[url=https://www.goodreads.com/search/search?q=' + detail.children[1].textContent.trim() +
// 			  '&search_type=books]' + detail.children[1].textContent.trim() + '[/url]';
		  }
		  description += '\n[b]' + lbl + ':[/b] ' + val;
		});
		description += '\n[b]More info:[/b] ' + response.finalUrl;
		write_description(description);
 
		if ((i = dom.querySelector('a.mj-product-preview > img')) != null) {
		  setImage(i.src.replace(/\?.*/, ''));
		} else if ((i = dom.querySelector('head > meta[property="og:image"]')) != null) {
		  setImage(i.content.replace(/\?.*/, ''));
		}
 
		dom.querySelectorAll('dd > ul > li > a').forEach(x => { tags.add(x.textContent) });
		if (tags.length > 0 && element_writable(ref = document.getElementById('tags'))) {
		  ref.value = tags.toString();
		}
	  }, });
	  return true;
	} else if (url.toLowerCase().includes('goodreads.com')) {
	  GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		if (response.readyState != 4 || response.status != 200) return;
		dom = domparser.parseFromString(response.responseText, "text/html");
 
		i = dom.querySelectorAll('a.authorName > span');
		if (i.length > 0 && element_writable(ref = document.getElementById('title'))) {
		  description = joinAuthors(i);
		  if ((i = dom.querySelector('h1#bookTitle')) != null) description += ' - ' + i.textContent.trim();
		  if ((i = dom.querySelector('div#details > div.row:nth-of-type(2)')) != null
			  && (i = extract_year(i.textContent))) description += ' (' + i + ')';
		  ref.value = description;
		}
 
		description = '[quote]' + html2php(dom.querySelector('div#description > span:last-of-type'), response.finalUrl) + '[/quote]';
 
		function strip(str) {
		  return typeof str == 'string' ?
			str.replace(/\s{2,}/g, ' ').replace(/[\n\r]+/, '').replace(/\s*\.{3}(?:less|more)\b/g, '').trim() : null;
		}
 
		dom.querySelectorAll('div#details > div.row').forEach(k => { description += '\n' + strip(k.innerText) });
		description += '\n';
 
		dom.querySelectorAll('div#bookDataBox > div.clearFloats').forEach(function(detail) {
		  var lbl = detail.children[0].textContent.trim();
		  var val = strip(detail.children[1].textContent);
		  if (/\b(?:ISBN)\b/i.test(lbl) && ((matches = val.match(/\b(\d{13})\b/)) != null
				|| (matches = val.match(/\b(\d{10})\b/)) != null)) {
			val = '[url=https://www.worldcat.org/isbn/' + matches[1] + ']' + strip(detail.children[1].textContent) + '[/url]';
		  }
		  description += '\n[b]' + lbl + ':[/b] ' + val;
		});
		description += '\n[b]More info:[/b] ' + response.finalUrl;
		write_description(description);
 
		if ((i = dom.querySelector('div.editionCover > img')) != null) {
		  setImage(i.src.replace(/\?.*/, ''));
		}
 
		dom.querySelectorAll('div.elementList > div.left').forEach(x => { tags.add(x.textContent.trim()) });
		if (tags.length > 0 && element_writable(ref = document.getElementById('tags'))) {
		  ref.value = tags.toString();
		}
	  }, });
	  return true;
	} else if (url.toLowerCase().includes('databazeknih.cz')) {
	  if (!url.toLowerCase().includes('show=alldesc')) {
		if (!url.includes('?')) { url += '?show=alldesc' } else { url += '&show=alldesc' }
	  }
	  GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		if (response.readyState != 4 || response.status != 200) return;
		dom = domparser.parseFromString(response.responseText, "text/html");
 
		i = dom.querySelectorAll('span[itemprop="author"] > a');
		if (i != null && element_writable(ref = document.getElementById('title'))) {
		  description = joinAuthors(i);
		  if ((i = dom.querySelector('h1[itemprop="name"]')) != null) description += ' - ' + i.textContent.trim();
		  i = dom.querySelector('span[itemprop="datePublished"]');
		  if (i != null && (i = extract_year(i.textContent))) description += ' (' + i + ')';
		  ref.value = description;
		}
 
		description = '[quote]' + html2php(dom.querySelector('p[itemprop="description"]'), response.finalUrl) + '[/quote]';
		const translation_map = [
		  [/\b(?:orig)/i, 'Original title'],
		  [/\b(?:série)\b/i, 'Series'],
		  [/\b(?:vydáno)\b/i, 'Released'],
		  [/\b(?:stran)\b/i, 'Page count'],
		  [/\b(?:jazyk)\b/i, 'Language'],
		  [/\b(?:překlad)/i, 'Translation'],
		  [/\b(?:autor obálky)\b/i, 'Cover author'],
		];
		dom.querySelectorAll('table.bdetail tr').forEach(function(detail) {
		  var lbl = detail.children[0].textContent.trim();
		  var val = detail.children[1].textContent.trim();
		  if (/(?:žánr|\bvazba)\b/i.test(lbl)) return;
		  translation_map.forEach(k => { if (k[0].test(lbl)) lbl = k[1] });
		  if (/\b(?:ISBN)\b/i.test(lbl) && /\b(\d+(?:-\d+)*)\b/.exec(val) != null) {
			val = '[url=https://www.worldcat.org/isbn/' + RegExp.$1.replace(/-/g, '') +
			  ']' + detail.children[1].textContent.trim() + '[/url]';
		  }
		  description += '\n[b]' + lbl + '[/b] ' + val;
		});
		description += '\n[b]More info:[/b] ' + response.finalUrl.replace(/\?.*/, '');
		write_description(description);
 
		if ((i = dom.querySelector('div#icover_mid > a')) != null) setImage(i.href.replace(/\?.*/, ''));
		if ((i = dom.querySelector('div#lbImage')) != null
			&& (matches = i.style.backgroundImage.match(/\burl\("(.*)"\)/i)) != null) {
		  setImage(matches[1].replace(/\?.*/, ''));
		}
 
		dom.querySelectorAll('h5[itemprop="genre"] > a').forEach(x => { tags.add(x.textContent.trim()) });
		dom.querySelectorAll('a.tag').forEach(x => { tags.add(x.textContent.trim()) });
		if (tags.length > 0 && element_writable(ref = document.getElementById('tags'))) {
		  ref.value = tags.toString();
		}
	  }, });
	  return true;
	}
	addMessage('This domain not supported', 'ua-critical');
	return false;
 
	function joinAuthors(nodeList) {
	  if (typeof nodeList != 'object') return null;
	  var authors = [];
	  nodeList.forEach(k => { authors.push(k.textContent.trim()) });
	  return authors.join(' & ');
	}
  }
 
  function preview(n) {
	if (!prefs.auto_preview) return;
	var btn = document.querySelector('input.button_preview_' + n + '[type="button"][value="Preview"]');
	if (btn != null) btn.click();
  }
 
  function html2php(node, url) {
	var php = '';
	if (node instanceof HTMLElement) node.childNodes.forEach(function(ch) {
	  if (ch.nodeType == 3) {
		php += ch.data.replace(/\s+/g, ' ');
	  } else if (ch.nodeName == 'P') {
		php += '\n' + html2php(ch, url);
	  } else if (ch.nodeName == 'DIV') {
		php += '\n\n' + html2php(ch, url) + '\n\n';
	  } else if (ch.nodeName == 'LABEL') {
		php += '\n\n[b]' + html2php(ch, url) + '[/b]';
	  } else if (ch.nodeName == 'SPAN') {
		php += html2php(ch, url);
	  } else if (ch.nodeName == 'BR' || ch.nodeName == 'HR') {
		php += '\n';
	  } else if (ch.nodeName == 'B' || ch.nodeName == 'STRONG') {
		php += '[b]' + html2php(ch, url) + '[/b]';
	  } else if (ch.nodeName == 'I' || ch.nodeName == 'EM') {
		php += '[i]' + html2php(ch, url) + '[/i]';
	  } else if (ch.nodeName == 'U') {
		php += '[u]' + html2php(ch, url) + '[/u]';
	  } else if (ch.nodeName == 'CODE') {
		php += '[pre]' + ch.textContent + '[/pre]';
	  } else if (ch.nodeName == 'A') {
		php += ch.childNodes.length > 0 ?
		  '[url=' + de_anonymize(ch.href) + ']' + html2php(ch, url) + '[/url]' :
			'[url]' + de_anonymize(ch.href) + '[/url]';
	  } else if (ch.nodeName == 'IMG') {
		php += '[img]' + (ch.dataset.src || ch.src) + '[/img]';
	  }
	});
	return php;
  }
 
  function de_anonymize(uri) {
	return typeof uri == 'string' ? uri.replace(/^https?:\/\/(?:www\.)?anonymz\.com\/\?/i, '') : null;
  }
 
  function write_description(desc) {
	if (typeof desc != 'string') return;
	if (element_writable(ref = document.getElementById('desc'))) ref.value = desc;
	if ((ref = document.getElementById('body')) != null && !ref.disabled) {
	  if (ref.textLength > 0) ref.value += '\n\n';
	  ref.value += desc;
	}
  }
 
  function setImage(url) {
	var image = document.getElementById('image') || document.querySelector('input[name="image"]');
	if (!element_writable(image)) return false;
	image.value = url;
 
	if (prefs.auto_preview_cover) {
	  if ((child = document.getElementById('cover preview')) == null) {
		elem = document.createElement('div');
		elem.style.paddingTop = '10px';
		child = document.createElement('img');
		child.id = 'cover preview';
		child.style.width = '90%';
		elem.append(child);
		image.parentNode.previousElementSibling.append(elem);
	  }
	  child.src = url;
	}
	// Re-Host to PTPIMG
	if (prefs.auto_rehost_cover) {
	  var rehost_btn = document.querySelector('input.rehost_it_cover[type="button"]');
	  if (rehost_btn != null) {
		rehost_btn.click();
	  } else {
		var pr = rehostImgs([url]);
		if (pr != null) pr.then(new_urls => { image.value = new_urls[0] });
	  }
	}
  }
 
  // PTPIMG rehoster taken from `PTH PTPImg It`
  function rehostImgs(urls) {
	if (!Array.isArray(urls)) return null;
	var config = JSON.parse(window.localStorage.ptpimg_it);
	return config.api_key || prefs.ptpimg_api_key ?
	  new Promise(ptpimg_upload_urls).catch(m => { alert(m) }) : null;
 
	function ptpimg_upload_urls(resolve, reject) {
	  const boundary = 'NN-GGn-PTPIMG';
	  var data = '--' + boundary + "\n";
	  data += 'Content-Disposition: form-data; name="link-upload"\n\n';
	  data += urls.map(function(url) {
		return !url.toLowerCase().includes('://reho.st/') && url.toLowerCase().includes('discogs.com') ?
		  'https://reho.st/' + url : url;
	  }).join('\n') + '\n';
	  data += '--' + boundary + '\n';
	  data += 'Content-Disposition: form-data; name="api_key"\n\n';
	  data += (prefs.ptpimg_api_key || config.api_key) + '\n';
	  data += '--' + boundary + '--';
	  GM_xmlhttpRequest({
		method: 'POST',
		url: 'https://ptpimg.me/upload.php',
		responseType: 'json',
		headers: {
		  'Content-type': 'multipart/form-data; boundary=' + boundary,
		},
		data: data,
		onload: response => {
		  if (response.status != 200) reject('Response error ' + response.status);
		  resolve(response.response.map(item => 'https://ptpimg.me/' + item.code + '.' + item.ext));
		},
	  });
	}
  }
 
  function element_writable(elem) { return elem != null && !elem.disabled && (overwrite || !elem.value) }
}
 
function addArtistField() { exec(function() { AddArtistField() }) }
function removeArtistField() { exec(function() { RemoveArtistField() }) }
 
function array_homogenous(arr) { return arr.every(k => k === arr[0]) }
 
function exec(fn) {
  let script = document.createElement('script');
  script.type = 'application/javascript';
  script.textContent = '(' + fn + ')();';
  document.body.appendChild(script); // run the script
  document.body.removeChild(script); // clean up
}
 
function makeTimeString(duration) {
  let t = Math.abs(Math.round(duration));
  let H = Math.floor(t / 60 ** 2);
  let M = Math.floor(t / 60 % 60);
  let S = t % 60;
  return (duration < 0 ? '-' : '') + (H > 0 ? H + ':' + M.toString().padStart(2, '0') : M.toString()) +
	':' + S.toString().padStart(2, '0');
}
 
function timeStringToTime(str) {
  if (!/(-\s*)?\b(\d+(?::\d{2})*(?:\.\d+)?)\b/.test(str)) return null;
  var t = 0, a = RegExp.$2.split(':');
  while (a.length > 0) t = t * 60 + parseFloat(a.shift());
  return RegExp.$1 ? -t : t;
}
 
function extract_year(expr) {
  if (typeof expr != 'string') return null;
  if (/\b(\d{4})\b/.test(expr)) return parseInt(RegExp.$1);
  var d = new Date(expr);
  return parseInt(isNaN(d) ? expr : d.getFullYear());
}
 
function reInParenthesis(expr) { return new RegExp('\\s+\\([^\\(\\)]*'.concat(expr, '[^\\(\\)]*\\)$'), 'i') }
function reInBrackets(expr) { return new RegExp('\\s+\\[[^\\[\\]]*'.concat(expr, '[^\\[\\]]*\\]$'), 'i') }
 
function addMessage(text, cls, html = false) {
  messages = document.getElementById('UA messages');
  if (messages == null) {
	var ua = document.getElementById('upload assistant');
	if (ua == null) return null;
	messages = document.createElement('TR');
	if (messages == null) return null;
	messages.id = 'UA messages';
	ua.children[0].append(messages);
 
	elem = document.createElement('TD');
	if (elem == null) return null;
	elem.colSpan = 2;
	elem.className = 'ua-messages-bg';
	messages.append(elem);
  } else {
	elem = messages.children[0]; // tbody
	if (elem == null) return null;
  }
  var div = document.createElement('DIV');
  div.classList.add('ua-messages', cls);
  div[html ? 'innerHTML' : 'textContent'] = text;
  return elem.appendChild(div);
}