SkyFetch - BlueSky 最高分辨率图片下载

在 BlueSky 含有图片的帖子右下角添加下载按钮,自动下载最高分辨率图片,可自定义命名规则。

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         SkyFetch - BlueSky 最高分辨率图片下载
// @namespace    https://github.com/CookSleep
// @version      1.1
// @name:en      SkyFetch - High-Resolution Image Downloader for BlueSky
// @name:en-uk   SkyFetch - High-Resolution Image Downloader for BlueSky
// @name:ja      SkyFetch - BlueSky用高解像度画像ダウンローダー
// @name:ko      SkyFetch - BlueSky용 고해상도 이미지 다운로더
// @name:ru      SkyFetch - Загрузчик Изображений Высокого Разрешения для BlueSky
// @name:zh-CN   SkyFetch - BlueSky 最高分辨率图片下载
// @name:zh-TW   SkyFetch - BlueSky 最高解析度圖片下載
// @name:yue     SkyFetch - BlueSky 最高解析度圖片下載
// @description         在 BlueSky 含有图片的帖子右下角添加下载按钮,自动下载最高分辨率图片,可自定义命名规则。
// @description:en      Add a download button at the bottom right of BlueSky posts containing images to automatically download the highest resolution images with customizable naming rules.
// @description:en-uk   Add a download button at the bottom right of BlueSky posts containing images to automatically download the highest resolution images with customizable naming rules.
// @description:ja      画像を含むBlueSkyの投稿の右下隅にダウンロードボタンを追加し、最高解像度の画像を自動的にダウンロードし、カスタマイズ可能な命名規則を適用します。
// @description:ko      이미지가 포함된 BlueSky 게시물의 오른쪽 하단에 다운로드 버튼을 추가하여 최고 해상도 이미지를 자동으로 다운로드하고 사용자 정의 가능한 명명 규칙을 적용합니다.
// @description:ru      Добавляет кнопку загрузки в правый нижний угол постов BlueSky, содержащих изображения, для автоматической загрузки изображений наивысшего разрешения с настраиваемыми правилами именования.
// @description:zh-CN   在 BlueSky 含有图片的帖子右下角添加下载按钮,自动下载最高分辨率图片,可自定义命名规则。
// @description:zh-TW   在 BlueSky 含有圖片的帖子右下角添加下載按鈕,自動下載最高解析度圖片,可自定義命名規則。
// @description:yue     在 BlueSky 含有圖片的帖子右下角添加下載按鈕,自動下載最高解析度圖片,可自定義命名規則。
// @author       Cook Sleep
// @match        https://bsky.app/*
// @grant        GM_download
// @grant        GM_setClipboard
// @grant        GM_registerMenuCommand
// @grant        GM_setValue
// @grant        GM_getValue
// @run-at       document-end
// @license      GPLv3
// ==/UserScript==

/*
 * 本脚本使用了 [Twitter Media Downloader](https://greasyfork.org/es/scripts/423001-twitter-media-downloader) 项目的下载按钮 SVG,
 * 该项目基于 MIT 许可证发布。
 * MIT 许可证: https://opensource.org/licenses/MIT
 *
 * This script uses the download button SVG from the [Twitter Media Downloader](https://greasyfork.org/es/scripts/423001-twitter-media-downloader) project,
 * which is licensed under the MIT License.
 * MIT License: https://opensource.org/licenses/MIT
 */

(function() {
    'use strict';

    // =====================
    // CSS 样式管理
    // =====================
    const styles = `
        /* 主题样式 */
        :root {
            --background: #ffffff;
            --background-hover: #f7fafc;
            --background-translucent: rgba(255, 255, 255, 0.95);
            --text: #1a202c;
            --border: #e2e8f0;
            --overlay: rgba(0, 0, 0, 0.5);
            --input-background: #f7fafc;
            --accent: #1083FE;
            --accent-hover: #0168D5;
            --accent-translucent: rgba(16, 131, 254, 0.1);
            --button-background: #ffffff;
            --button-background-hover: #F1F3F5;
            --button-text: #1a202c;
            --button-border: #e2e8f0;
        }

        @media (prefers-color-scheme: dark) {
            :root {
                --background: #161E27;
                --background-hover: #2d3748;
                --background-translucent: rgba(22, 30, 39, 0.95);
                --text: #fff;
                --border: #2d3748;
                --overlay: rgba(0, 0, 0, 0.75);
                --input-background: #2d3748;
                --accent: #208BFE;
                --accent-hover: #4CA2FE;
                --accent-translucent: rgba(32, 139, 254, 0.2);
                --button-background: #1E2936;
                --button-background-hover: #2d3748;
                --button-text: #fff;
                --button-border: #4a5568;
            }
        }

        /* 按钮样式 */
        .tmd-down {
            align-items: center;
        }

        .tmd-down button {
            padding: 5px;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            cursor: pointer;
            background: transparent;
            border: none;
        }

        .tmd-down button:hover {
            background-color: var(--hover-color, rgba(120, 142, 165, 0.1));
        }

        /* 深色模式图标颜色 */
        @media (prefers-color-scheme: dark) {
            .tmd-down svg {
                color: hsl(211, 20%, 56%);
            }
            .tmd-down {
                --hover-color: rgba(120, 142, 165, 0.1);
            }
        }

        /* 浅色模式图标颜色 */
        @media (prefers-color-scheme: light) {
            .tmd-down svg {
                color: hsl(211, 20%, 53%);
            }
            .tmd-down {
                --hover-color: rgba(120, 142, 165, 0.1);
            }
        }

        .tmd-down.loading svg {
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .tmd-down.failed svg {
            color: rgb(255, 51, 51);
        }

        /* 设置界面样式 */
        .skyfetch-settings-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: var(--overlay);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1001;
            padding: 16px;
            box-sizing: border-box;
        }

        .skyfetch-settings-content {
            background-color: var(--background);
            color: var(--text);
            padding: 24px;
            border-radius: 12px;
            width: min(480px, 90vw);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            border: 1px solid var(--border);
            position: relative;
        }

        .skyfetch-settings-content h2 {
            margin: 0 0 16px 0;
            font-size: 20px;
            font-weight: 600;
            padding-right: 32px;
        }

        .skyfetch-settings-content label {
            display: block;
            margin: 0 0 8px 0;
            font-weight: 500;
        }

        .skyfetch-settings-content textarea {
            width: 100%;
            padding: 12px;
            margin: 0 0 20px 0;
            border: 1px solid var(--border);
            border-radius: 6px;
            background-color: var(--input-background);
            color: var(--text);
            resize: vertical;
            min-height: 80px;
            font-family: monospace;
            font-size: 14px;
            line-height: 1.4;
            box-sizing: border-box;
        }

        .skyfetch-settings-content textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 2px var(--accent-translucent);
        }

        .skyfetch-settings-content .button-group {
            display: flex;
            gap: 12px;
            justify-content: flex-end;
        }

        .skyfetch-settings-content button {
            padding: 8px 16px;
            background-color: var(--button-background);
            color: var(--button-text);
            border: 1px solid var(--button-border);
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s;
        }

        .skyfetch-settings-content button:hover {
            background-color: var(--button-background-hover);
        }

        .skyfetch-settings-content button.primary {
            background-color: var(--accent);
            border-color: var(--accent);
            color: white;
        }

        .skyfetch-settings-content button.primary:hover {
            background-color: var(--accent-hover);
            border-color: var(--accent-hover);
        }

        /* 不支持语言提示弹窗样式 */
        .skyfetch-notice-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: var(--overlay);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1001;
            padding: 16px;
            box-sizing: border-box;
            backdrop-filter: blur(4px);
        }

        .skyfetch-notice-content {
            max-width: 480px;
            width: 90vw;
            background-color: var(--background);
            color: var(--text);
            padding: 28px;
            border-radius: 16px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            border: 1px solid var(--border);
            position: relative;
        }

        .skyfetch-notice-content h2 {
            font-size: 22px;
            margin: 0 0 20px 0;
            padding-right: 32px;
            font-weight: 600;
            color: var(--text);
        }

        .skyfetch-notice-content p {
            font-size: 15px;
            line-height: 1.6;
            margin: 0 0 16px 0;
            color: var(--text);
            opacity: 0.9;
        }

        .skyfetch-notice-content button {
            width: 100%;
            padding: 12px;
            background-color: var(--accent);
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .skyfetch-notice-content button:hover {
            background-color: var(--accent-hover);
            transform: translateY(-1px);
        }

        /* 支持语言列表样式 */
        .skyfetch-supported-languages {
            background: var(--input-background);
            border-radius: 12px;
            padding: 20px;
            margin: 20px 0;
        }

        .supported-languages-title {
            font-weight: 600;
            font-size: 15px;
            margin-bottom: 16px;
            color: var(--text);
        }

        .supported-languages-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .languages-column {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .language-item {
            font-size: 14px;
            color: var(--text);
            opacity: 0.9;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 关闭按钮样式 */
        .skyfetch-close-btn {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border-radius: 8px;
            background: var(--input-background);
            color: var(--text);
            transition: all 0.2s ease;
        }

        .skyfetch-close-btn:hover {
            background: var(--button-background-hover);
            transform: rotate(90deg);
        }

        .skyfetch-close-btn svg {
            width: 20px;
            height: 20px;
        }
    `;
    // 将CSS添加到文档头部
    const styleSheet = document.createElement('style');
    styleSheet.textContent = styles;
    document.head.appendChild(styleSheet);

    // =====================
    // 初始设置
    // =====================
    const defaultFilename = 'BlueSky_{userName}_{userId}_{date}';
    let filenamePattern = GM_getValue('filenamePattern', defaultFilename);
    let currentLang = 'en';

    // =====================
    // 多语言翻译
    // =====================
    const translations = {
        'en': {
            settingsTitle: 'SkyFetch Settings',
            filenameLabel: 'Filename Pattern:',
            resetButton: 'Reset',
            saveButton: 'Save',
            downloadButtonLabel: 'Download Image',
            downloadFailed: 'Download failed',
            downloadCompleted: 'Download completed',
            downloading: 'Downloading...',
            unsupportedLanguageTitle: 'Language Not Supported',
            unsupportedLanguageMessage1: 'The current interface language ({lang}) is not supported',
            unsupportedLanguageMessage2: 'Post dates will be marked as "unknown_date" in downloaded image filenames',
            understood: 'Understood',
            supportedLanguages: 'Supported Languages'
        },
        'en-uk': {
            settingsTitle: 'SkyFetch Settings',
            filenameLabel: 'Filename Pattern:',
            resetButton: 'Reset',
            saveButton: 'Save',
            downloadButtonLabel: 'Download Image',
            downloadFailed: 'Download failed',
            downloadCompleted: 'Download completed',
            downloading: 'Downloading...',
            unsupportedLanguageTitle: 'Language Not Supported',
            unsupportedLanguageMessage1: 'The current interface language ({lang}) is not supported',
            unsupportedLanguageMessage2: 'Post dates will be marked as "unknown_date" in downloaded image filenames',
            understood: 'Understood',
            supportedLanguages: 'Supported Languages'
        },
        'ja': {
            settingsTitle: 'SkyFetch 設定',
            filenameLabel: 'ファイル名のパターン:',
            resetButton: 'リセット',
            saveButton: '保存',
            downloadButtonLabel: '画像をダウンロード',
            downloadFailed: 'ダウンロードに失敗しました',
            downloadCompleted: 'ダウンロード完了',
            downloading: 'ダウンロード中...',
            unsupportedLanguageTitle: '未対応の言語',
            unsupportedLanguageMessage1: '現在のインターフェース言語({lang})はサポートされていません',
            unsupportedLanguageMessage2: '投稿日は「unknown_date」としてダウンロードされます',
            understood: '了解',
            supportedLanguages: '対応言語'
        },
        'ko': {
            settingsTitle: 'SkyFetch 설정',
            filenameLabel: '파일명 패턴:',
            resetButton: '초기화',
            saveButton: '저장',
            downloadButtonLabel: '이미지 다운로드',
            downloadFailed: '다운로드 실패',
            downloadCompleted: '다운로드 완료',
            downloading: '다운로드 중...',
            unsupportedLanguageTitle: '지원되지 않는 언어',
            unsupportedLanguageMessage1: '현재 인터페이스 언어({lang})는 지원되지 않습니다',
            unsupportedLanguageMessage2: '게시물 날짜는 "unknown_date"로 표시됩니다',
            understood: '확인',
            supportedLanguages: '지원되는 언어'
        },
        'ru': {
            settingsTitle: 'Настройки SkyFetch',
            filenameLabel: 'Шаблон имени файла:',
            resetButton: 'Сбросить',
            saveButton: 'Сохранить',
            downloadButtonLabel: 'Скачать изображение',
            downloadFailed: 'Скачивание не удалось',
            downloadCompleted: 'Скачивание завершено',
            downloading: 'Скачивание...',
            unsupportedLanguageTitle: 'Язык не поддерживается',
            unsupportedLanguageMessage1: 'Текущий язык интерфейса ({lang}) не поддерживается',
            unsupportedLanguageMessage2: 'Даты публикаций будут отмечены как "unknown_date"',
            understood: 'Понятно',
            supportedLanguages: 'Поддерживаемые языки'
        },
        'zh-CN': {
            settingsTitle: 'SkyFetch 设置',
            filenameLabel: '文件名模式:',
            resetButton: '重置',
            saveButton: '保存',
            downloadButtonLabel: '下载图片',
            downloadFailed: '下载失败',
            downloadCompleted: '下载完成',
            downloading: '下载中...',
            unsupportedLanguageTitle: '不支持的语言',
            unsupportedLanguageMessage1: '当前界面语言({lang})不受支持',
            unsupportedLanguageMessage2: '下载的图片文件名中的发布日期将标记为"unknown_date"',
            understood: '知道了',
            supportedLanguages: '支持的语言'
        },
        'zh-TW': {
            settingsTitle: 'SkyFetch 設定',
            filenameLabel: '文件名模式:',
            resetButton: '重置',
            saveButton: '保存',
            downloadButtonLabel: '下載圖片',
            downloadFailed: '下載失敗',
            downloadCompleted: '下載完成',
            downloading: '下載中...',
            unsupportedLanguageTitle: '不支援的語言',
            unsupportedLanguageMessage1: '目前介面語言({lang})不受支援',
            unsupportedLanguageMessage2: '下載嘅圖片檔名入面嘅發布日期會標記做"unknown_date"',
            understood: '知道了',
            supportedLanguages: '支援的語言'
        },
        'yue': {
            settingsTitle: 'SkyFetch 設定',
            filenameLabel: '文件名模式:',
            resetButton: '重設',
            saveButton: '儲存',
            downloadButtonLabel: '下載圖片',
            downloadFailed: '下載失敗',
            downloadCompleted: '下載完成',
            downloading: '下載中...',
            unsupportedLanguageTitle: '唔支援嘅語言',
            unsupportedLanguageMessage1: '而家嘅界面語言({lang})係唔支援嘅',
            unsupportedLanguageMessage2: '下載嘅圖片檔名入面嘅發布日期會標記做"unknown_date"',
            understood: '知道喇',
            supportedLanguages: '支援嘅語言'
        }
    };

    // =====================
    // 语言相关设置
    // =====================
    const languageMapping = {
        'en': 'en',
        'en-GB': 'en-uk',
        'ja': 'ja',
        'ko': 'ko',
        'ru': 'ru',
        'zh-Hans-CN': 'zh-CN',
        'zh-Hant-TW': 'zh-TW',
        'zh-Hant-HK': 'yue'
    };

    /**
     * 检查语言是否受支持
     * @param {string} lang - 语言代码
     * @returns {boolean} 是否支持
     */
    function isLanguageSupported(lang) {
        return lang in translations;
    }

    /**
     * 获取网站当前语言并设置翻译
     * @returns {object} 包含映射前后语言代码的对象
     */
    function getSiteLanguage() {
        const langSelector = document.querySelector('select[data-testid="web_picker"]');
        let siteLanguage = langSelector ? langSelector.value : document.documentElement.lang || 'en';

        // 映射语言代码
        let mappedLanguage = languageMapping[siteLanguage] || 'en';

        // 如果映射后的语言不在支持列表中,使用英语
        if (!isLanguageSupported(mappedLanguage)) {
            mappedLanguage = 'en';
        }

        currentLang = mappedLanguage;
        return { mappedLanguage, siteLanguage };
    }

    /**
     * 语言提示状态管理
     */
    const LanguageNoticeManager = {
        // 存储键名
        STORAGE_KEY: 'skyfetch_language_notice',

        /**
         * 获取上次提示的语言
         * @returns {string|null} 上次提示的语言代码
         */
        getLastNotifiedLang() {
            return GM_getValue(this.STORAGE_KEY, null);
        },

        /**
         * 记录语言提示状态
         * @param {string} lang - 语言代码
         */
        markAsNotified(lang) {
            GM_setValue(this.STORAGE_KEY, lang);
        },

        /**
         * 重置提示状态
         */
        reset() {
            GM_setValue(this.STORAGE_KEY, null);
        },

        /**
         * 检查是否需要显示提示
         * @param {string} currentLang - 当前语言代码
         * @returns {boolean} 是否需要显示提示
         */
        shouldShowNotice(currentLang) {
            const lastNotifiedLang = this.getLastNotifiedLang();

            // 如果从未提示过,或者切换到了新的不支持的语言
            return !lastNotifiedLang || lastNotifiedLang !== currentLang;
        }
    };

    /**
     * 获取浏览器语言并映射到支持的语言代码
     * @returns {string} 映射后的语言代码
     */
    function getBrowserLanguage() {
        const browserLang = navigator.language || navigator.userLanguage;

        // 尝试映射浏览器语言
        let mappedLanguage = languageMapping[browserLang] ||
                            languageMapping[browserLang.split('-')[0]] ||
                            'en';

        // 如果映射后的语言不在支持列表中,使用英语
        if (!isLanguageSupported(mappedLanguage)) {
            mappedLanguage = 'en';
        }

        return mappedLanguage;
    }

    // 添加支持的语言列表
    const supportedLanguages = {
        'en': 'English',
        'en-uk': 'English (UK)',
        'ja': '日本語',
        'ko': '한국어',
        'ru': 'Русский',
        'zh-CN': '简体中文',
        'zh-TW': '繁體中文',
        'yue': '粵文'
    };

    /**
     * 显示语言不支持提示
     * @param {string} lang - 不支持的语言代码
     * @returns {Promise} - 用户确认后resolve的Promise
     */
    function showUnsupportedLanguageNotice(lang) {
        return new Promise((resolve) => {
            const browserLang = getBrowserLanguage();
            const t = translations[browserLang] || translations['en'];

            const modal = document.createElement('div');
            modal.className = 'skyfetch-notice-modal';

            const content = document.createElement('div');
            content.className = 'skyfetch-notice-content';

            const closeBtn = document.createElement('div');
            closeBtn.className = 'skyfetch-close-btn';
            closeBtn.innerHTML = `
                <svg viewBox="0 0 24 24" width="24" height="24">
                    <path fill="currentColor" d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>
                </svg>
            `;

            const sadFaceIcon = document.createElement('div');
            sadFaceIcon.className = 'skyfetch-sad-face';
            sadFaceIcon.innerHTML = `
                <svg viewBox="0 0 48 48" width="48" height="48">
                    <rect x="0" y="0" width="48" height="48" fill="#0078D7"/>
                    <text x="12" y="32" fill="white" style="font-size: 24px; font-family: monospace;">:(</text>
                </svg>
            `;

            const title = document.createElement('h2');
            title.innerText = t.unsupportedLanguageTitle;

            // 第一行消息:当前界面语言(xxx)不受支持
            const message1 = document.createElement('p');
            message1.innerText = t.unsupportedLanguageMessage1.replace('{lang}', lang || 'unknown');

            // 第二行消息:下载的图片文件名中的发布日期将标记为"unknown_date"
            const message2 = document.createElement('p');
            message2.innerText = t.unsupportedLanguageMessage2;

            const button = document.createElement('button');
            button.className = 'primary';
            button.innerText = t.understood;
            button.onclick = () => {
                modal.remove();
                LanguageNoticeManager.markAsNotified(lang);
                resolve();
            };

            closeBtn.onclick = button.onclick;

            content.appendChild(closeBtn);
            content.appendChild(sadFaceIcon);
            content.appendChild(title);
            content.appendChild(message1);
            content.appendChild(message2);
            content.appendChild(button);

            // 优化后的支持语言列表
            const supportedLangList = document.createElement('div');
            supportedLangList.className = 'skyfetch-supported-languages';
            supportedLangList.innerHTML = `
                <div class="supported-languages-title">${t.supportedLanguages}</div>
                <div class="supported-languages-grid">
                    <div class="languages-column">
                        ${Object.values(supportedLanguages)
                            .slice(0, Math.ceil(Object.values(supportedLanguages).length / 2))
                            .map(lang => `<div class="language-item">• ${lang}</div>`)
                            .join('')}
                    </div>
                    <div class="languages-column">
                        ${Object.values(supportedLanguages)
                            .slice(Math.ceil(Object.values(supportedLanguages).length / 2))
                            .map(lang => `<div class="language-item">• ${lang}</div>`)
                            .join('')}
                    </div>
                </div>
            `;

            content.insertBefore(supportedLangList, button);

            modal.appendChild(content);

            document.body.appendChild(modal);
        });
    }

    /**
     * 监听语言变化
     */
    let isReloading = false; // 是否正在刷新
    const RELOAD_COOLDOWN = 2500; // 刷新冷却时间(毫秒)

    function observeLanguageChange() {
        const observer = new MutationObserver(async (mutations) => {
            for (const mutation of mutations) {
                if (mutation.type === 'attributes' && mutation.attributeName === 'lang') {
                    const { mappedLanguage, siteLanguage } = getSiteLanguage();

                    // 如果切换到不支持的语言,且未显示过提示
                    if (!(siteLanguage in languageMapping) &&
                        LanguageNoticeManager.shouldShowNotice(siteLanguage)) {
                        await showUnsupportedLanguageNotice(siteLanguage);
                        LanguageNoticeManager.markAsNotified(siteLanguage);
                    }

                    const currentTime = Date.now();
                    const lastReload = parseInt(localStorage.getItem('lastReloadTime') || '0');

                    // 如果距离上次刷新不足2秒,则不刷新
                    if (currentTime - lastReload < RELOAD_COOLDOWN) {
                        break;
                    }

                    // 记录本次刷新时间
                    localStorage.setItem('lastReloadTime', currentTime.toString());
                    window.location.reload();
                    break;
                }
            }
        });

        observer.observe(document.documentElement, {
            attributes: true,
            attributeFilter: ['lang']
        });
    }

    // =====================
    // 菜单命令注册
    // =====================
    /**
     * 获取设置界面的翻译
     * @returns {object} 翻译对象
     */
    function getSettingsTranslations() {
        const browserLang = getBrowserLanguage(); // 使用浏览器语言
        return translations[browserLang] || translations['en'];
    }

    /**
     * 注册菜单命令
     */
    function registerMenuCommand() {
        const t = getSettingsTranslations();
        GM_registerMenuCommand(t.settingsTitle, openSettings);
    }

    // =====================
    // 设置界面
    // =====================
    /**
     * 打开设置界面
     */
    function openSettings() {
        const t = getSettingsTranslations();

        const settingsModal = document.createElement('div');
        settingsModal.className = 'skyfetch-settings-modal';

        const modalContent = document.createElement('div');
        modalContent.className = 'skyfetch-settings-content';

        const closeBtn = document.createElement('div');
        closeBtn.className = 'skyfetch-close-btn';
        closeBtn.innerHTML = `
            <svg viewBox="0 0 24 24">
                <path fill="currentColor" d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>
            </svg>
        `;
        closeBtn.onclick = () => settingsModal.remove();
        modalContent.appendChild(closeBtn);

        const title = document.createElement('h2');
        title.innerText = t.settingsTitle;
        modalContent.appendChild(title);

        const filenameLabel = document.createElement('label');
        filenameLabel.innerText = t.filenameLabel;
        modalContent.appendChild(filenameLabel);

        const filenameInput = document.createElement('textarea');
        filenameInput.value = filenamePattern;
        modalContent.appendChild(filenameInput);

        const buttonGroup = document.createElement('div');
        buttonGroup.className = 'button-group';

        const resetButton = document.createElement('button');
        resetButton.innerText = t.resetButton;
        resetButton.onclick = () => {
            filenameInput.value = defaultFilename;
        };
        buttonGroup.appendChild(resetButton);

        const saveButton = document.createElement('button');
        saveButton.className = 'primary';
        saveButton.innerText = t.saveButton;
        saveButton.onclick = () => {
            filenamePattern = filenameInput.value || defaultFilename;
            GM_setValue('filenamePattern', filenamePattern);
            settingsModal.remove();
        };
        buttonGroup.appendChild(saveButton);

        modalContent.appendChild(buttonGroup);

        settingsModal.onclick = (e) => {
            if (e.target === settingsModal) {
                settingsModal.remove();
            }
        };

        settingsModal.appendChild(modalContent);
        document.body.appendChild(settingsModal);
    }

    // =====================
    // 页面变化监控
    // =====================
    function observePageChanges() {
        const observer = new MutationObserver((mutations) => {
            mutations.forEach((mutation) => {
                if (mutation.addedNodes.length) {
                    addDownloadButton();
                }
            });
        });

        observer.observe(document.body, { childList: true, subtree: true });
    }

    // =====================
    // 下载按钮功能
    // =====================
    /**
     * 在每个帖子和回帖中添加下载按钮
     */
    function addDownloadButton() {
        const t = translations[currentLang];
        const posts = document.querySelectorAll('[data-testid^="postThreadItem"], [data-testid^="feedItem"]');

        posts.forEach(post => {
            if (post.querySelector('.tmd-down')) return;

            const hasImages = post.querySelectorAll('img[src*="cdn.bsky.app/img/feed_thumbnail/plain"]').length > 0;

            if (hasImages) {
                const interactionBar = post.querySelector('div.css-175oi2r[style*="justify-content: space-between"]');
                if (interactionBar) {
                    const downloadBtn = document.createElement('div');
                    downloadBtn.className = 'tmd-down';
                    downloadBtn.title = t.downloadButtonLabel;

                    downloadBtn.innerHTML = `
                        <button type="button" aria-label="${t.downloadButtonLabel}" style="gap: 4px; border-radius: 999px; flex-direction: row; justify-content: center; align-items: center; overflow: hidden; padding: 5px;">
                            <svg viewBox="0 0 24 24" width="20" height="20" style="pointer-events: none;">
                                <g class="download">
                                    <path d="M3,15 v4 q0,2 2,2 h14 q2,0 2,-2 v-4 M7,11 l4,4 q1,1 2,0 l4,-4 M12,4 v11" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"></path>
                                </g>
                                <g class="completed" style="display: none;">
                                    <path d="M3,15 v4 q0,2 2,2 h14 q2,0 2,-2 v-4 M7,11 l3,4 q1,1 2,0 l8,-11" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"></path>
                                </g>
                                <g class="loading" style="display: none;">
                                    <circle cx="12" cy="12" r="10" fill="none" stroke="currentColor" stroke-width="4" opacity="0.4"></circle>
                                    <path d="M12,2 a10,10 0 0 1 10,10" fill="none" stroke="currentColor" stroke-width="4" stroke-linecap="round"></path>
                                </g>
                                <g class="failed" style="display: none;">
                                    <circle cx="12" cy="12" r="11" fill="#f33" stroke="currentColor" stroke-width="2" opacity="0.8"></circle>
                                    <path d="M14,5 a1,1 0 0 0 -4,0 l0.5,9.5 a1.5,1.5 0 0 0 3,0 z M12,17 a2,2 0 0 0 0,4 a2,2 0 0 0 0,-4" fill="#fff" stroke="none"></path>
                                </g>
                            </svg>
                        </button>
                    `;

                    interactionBar.appendChild(downloadBtn);

                    downloadBtn.onclick = (event) => {
                        event.stopPropagation(); // 阻止事件冒泡
                        downloadBtn.classList.add('loading');
                        updateButtonStatus(downloadBtn, 'loading');

                        const imageElements = post.querySelectorAll('img[src*="cdn.bsky.app/img/feed_thumbnail/plain"]');
                        const imageUrls = Array.from(imageElements).map(img => convertUrl(img.src)).filter(url => url !== null);
                        const postId = post.getAttribute('data-testid').split('-').pop();
                        const postDate = extractPostDate(post);
                        const { userName, userId } = extractUserInfo(post);

                        if (imageUrls.length === 0) {
                            updateButtonStatus(downloadBtn, 'failed');
                            return;
                        }

                        // 创建一个 Promise 数组来处理所有下载请求
                        const downloadPromises = imageUrls.map((url, index) => {
                            let filename = filenamePattern
                                .replace('{userName}', userName)
                                .replace('{userId}', userId)
                                .replace('{date}', postDate);

                            filename += `_${index + 1}`;
                            filename = sanitizeFileName(filename);
                            filename += '.jpg';

                            return new Promise((resolve, reject) => {
                                GM_download({
                                    url: url,
                                    name: filename,
                                    onerror: (error) => {
                                        console.error('下载失败:', error);
                                        reject(error);
                                    },
                                    onload: () => {
                                        resolve();
                                    }
                                });
                            });
                        });

                        // 使用 Promise.all 等待所有下载完成
                        Promise.all(downloadPromises)
                            .then(() => {
                                updateButtonStatus(downloadBtn, 'completed');
                            })
                            .catch(() => {
                                updateButtonStatus(downloadBtn, 'failed');
                            });
                    };
                }
            }
        });
    }

    /**
     * 更新所有已存在的下载按钮
     */
    function updateAllDownloadButtons() {
        const buttons = document.querySelectorAll('.tmd-down button');
        const t = translations[currentLang] || translations['en'];  // 使用当前语言的翻译

        buttons.forEach(button => {
            button.setAttribute('aria-label', t.downloadButtonLabel);

            const parentDiv = button.closest('.tmd-down');
            if (parentDiv) {
                if (parentDiv.classList.contains('loading')) {
                    parentDiv.title = t.downloading;
                } else if (parentDiv.classList.contains('completed')) {
                    parentDiv.title = t.downloadCompleted;
                } else if (parentDiv.classList.contains('failed')) {
                    parentDiv.title = t.downloadFailed;
                }
            }
        });
    }

    /**
     * 更新按钮状态函数中的提示信息
     * @param {Element} btn - 按钮元素
     * @param {string} status - 状态:'download', 'completed', 'loading', 'failed'
     */
    function updateButtonStatus(btn, status) {
        const t = translations[currentLang];

        btn.classList.remove('download', 'completed', 'loading', 'failed');
        if (status) {
            btn.classList.add(status);
        }

        // 根据当前语言设置提示文本
        btn.title = status === 'completed' ? t.downloadCompleted :
                    status === 'failed' ? t.downloadFailed :
                    status === 'loading' ? t.downloading :
                    t.downloadButtonLabel;

        // 控制 SVG 显示
        const svgGroups = btn.querySelectorAll('g');
        svgGroups.forEach(group => {
            group.style.display = 'none';
        });
        const currentGroup = btn.querySelector(`g.${status}`);
        if (currentGroup) {
            currentGroup.style.display = 'block';
        }
    }

    // =====================
    // 辅助函数
    // =====================
    /**
     * 转换 CDN 链接为最高分辨率 API 端点
     * @param {string} inputUrl - 原始图片链接
     * @returns {string|null} - 转换后的链接或 null
     */
    function convertUrl(inputUrl) {
        if (!inputUrl) return null;

        try {
            const url = new URL(inputUrl);

            if (url.hostname !== 'cdn.bsky.app' || !url.pathname.includes('/img/feed_')) {
                return null;
            }

            const parts = url.pathname.split('/');
            const did = parts.find(part => part.startsWith('did:'));
            const cid = parts[parts.length - 1].split('@')[0];

            if (!did || !cid) {
                return null;
            }

            return `https://bsky.social/xrpc/com.atproto.sync.getBlob?did=${did}&cid=${cid}`;
        } catch (error) {
            return null;
        }
    }

    // 日期格式正则表达式和解析配置
    const datePatterns = {
        'en': /(\w+)\s+(\d{1,2}),\s+(\d{4})/i,
        'en-uk': /(\d{1,2})\s+(\w+)\s+(\d{4})/i,
        'ja': /(\d{4})年(\d{1,2})月(\d{1,2})日/,
        'ko': /(\d{4})년\s+(\d{1,2})월\s+(\d{1,2})일/,
        'ru': /(\d{1,2})\s+([\wа-яё]+)\s+(\d{4})/i,
        'zh-CN': /(\d{4})年(\d{1,2})月(\d{1,2})日/,
        'zh-TW': /(\d{4})年(\d{1,2})月(\d{1,2})日/,
        'yue': /(\d{4})年(\d{1,2})月(\d{1,2})日/
    };

    const dateParseConfig = {
        'en': { yearIndex: 3, monthIndex: 1, dayIndex: 2, monthIsName: true },
        'en-uk': { yearIndex: 3, monthIndex: 2, dayIndex: 1, monthIsName: true },
        'ja': { yearIndex: 1, monthIndex: 2, dayIndex: 3, monthIsName: false },
        'ko': { yearIndex: 1, monthIndex: 2, dayIndex: 3, monthIsName: false },
        'ru': { yearIndex: 3, monthIndex: 2, dayIndex: 1, monthIsName: true },
        'zh-CN': { yearIndex: 1, monthIndex: 2, dayIndex: 3, monthIsName: false },
        'zh-TW': { yearIndex: 1, monthIndex: 2, dayIndex: 3, monthIsName: false },
        'yue': { yearIndex: 1, monthIndex: 2, dayIndex: 3, monthIsName: false }
    };

    // 月份名称映射
    const monthMaps = {
        'en': {
            'january': '01', 'february': '02', 'march': '03', 'april': '04', 'may': '05', 'june': '06',
            'july': '07', 'august': '08', 'september': '09', 'october': '10', 'november': '11', 'december': '12'
        },
        'en-uk': {
            'january': '01', 'february': '02', 'march': '03', 'april': '04', 'may': '05', 'june': '06',
            'july': '07', 'august': '08', 'september': '09', 'october': '10', 'november': '11', 'december': '12'
        },
        'ru': {
            'января': '01', 'февраля': '02', 'марта': '03', 'апреля': '04', 'мая': '05', 'июня': '06',
            'июля': '07', 'августа': '08', 'сентября': '09', 'октября': '10', 'ноября': '11', 'декабря': '12'
        }
    };

    /**
     * 提取帖子发布日期
     * @param {Element} post - 帖子元素
     * @returns {string} - 日期字符串 (YYYY-MM-DD)
     */
    function extractPostDate(post) {
        // 获取映射后的语言代码
        const siteLanguage = getSiteLanguage();
        const lang = siteLanguage.mappedLanguage || 'en';

        const pattern = datePatterns[lang];
        const config = dateParseConfig[lang];

        // 如果没有找到对应的语言配置,使用英语作为后备
        if (!pattern || !config) {
            return 'unknown_date';
        }

        const monthMap = monthMaps[lang] || monthMaps['en'];

        // 主贴时间格式
        const mainPostTime = post.querySelector('div[style*="color: rgb(174, 187, 201)"][style*="line-height: 13.125px"]');
        if (mainPostTime) {
            const dateText = mainPostTime.textContent;
            const match = dateText.match(pattern);
            if (match) {
                let year, month, day;
                const monthText = match[config.monthIndex].toLowerCase();
                if (config.monthIsName) {
                    month = monthMap[monthText] || monthText.padStart(2, '0');
                } else {
                    month = match[config.monthIndex].padStart(2, '0');
                }
                day = match[config.dayIndex].padStart(2, '0');
                year = match[config.yearIndex];
                return `${year}-${month}-${day}`;
            }
        }

        // 回帖时间格式
        const replyTime = post.querySelector('a[data-tooltip][href*="/post/"]');
        if (replyTime) {
            const dateText = replyTime.getAttribute('data-tooltip');
            if (dateText) {
                const match = dateText.match(pattern);
                if (match) {
                    let year, month, day;
                    const monthText = match[config.monthIndex].toLowerCase();
                    if (config.monthIsName) {
                        month = monthMap[monthText] || monthText.padStart(2, '0');
                    } else {
                        month = match[config.monthIndex].padStart(2, '0');
                    }
                    day = match[config.dayIndex].padStart(2, '0');
                    year = match[config.yearIndex];
                    return `${year}-${month}-${day}`;
                }
            }
        }

        return 'unknown_date';
    }

    /**
     * 提取用户名和用户ID
     * @param {Element} post - 帖子元素
     * @returns {object} - 包含用户名和用户ID的对象
     */
    function extractUserInfo(post) {
        let userName = 'unknown_user';
        let userId = 'unknown_id';

        // 主贴样式 - 同时支持暗色和浅色模式
        const mainPost = post.querySelector('div[style*="font-weight: 600"][style*="font-size: 16.875px"]');
        const mainPostId = post.querySelector('div[style*="font-size: 15px"][style*="line-height: 20px"]');

        // 回帖和转发样式 - 同时支持暗色和浅色模式
        const replyPost = post.querySelector('span[style*="font-weight: 600"][style*="line-height: 20px"]');
        const replyPostId = post.querySelector('span[style*="line-height: 20px"]:not([style*="font-weight"])');

        if (mainPost && mainPostId) {
            userName = mainPost.textContent.replace(/[\u202A-\u202E]/g, '').trim();
            userId = mainPostId.textContent.replace(/[\u202A-\u202E]/g, '').trim();
        } else if (replyPost && replyPostId) {
            userName = replyPost.textContent.replace(/[\u202A-\u202E]/g, '').trim();
            userId = replyPostId.textContent.replace(/[\u202A-\u202E]/g, '').trim();
        }

        userId = userId.replace(/\s+/g, '').trim();

        return { userName, userId };
    }

    /**
     * 生成安全的随机标识符
     * @returns {string} - 4位随机标识符
     */
    function generateSecureId() {
        const array = new Uint32Array(1);
        crypto.getRandomValues(array);
        return array[0].toString(36).slice(0, 4);
    }

    /**
     * 清理文件名中的非法字符
     * @param {string} name - 原始文件名
     * @returns {string} - 清理后的文件名
     */
    function sanitizeFileName(name) {
        const secureId = generateSecureId();
        return name + '_' + secureId;
    }

    // =====================
    // 初始化函数
    // =====================
    /**
     * 初始化函数
     */
    async function initialize() {
        // 获取当前BS设置的语言
        const { mappedLanguage, siteLanguage } = getSiteLanguage();
        currentLang = mappedLanguage;

        // 检查是否需要显示语言不支持提示
        const needShowNotice = !(siteLanguage in languageMapping) &&
                              LanguageNoticeManager.shouldShowNotice(siteLanguage);

        if (needShowNotice) {
            await showUnsupportedLanguageNotice(siteLanguage);
            LanguageNoticeManager.markAsNotified(siteLanguage);
        }

        // 添加功能初始化
        addDownloadButton();
        observePageChanges();
        observeLanguageChange();
        registerMenuCommand();
    }

    // =====================
    // 页面加载完成后初始化
    // =====================
    window.addEventListener('load', () => {
        initialize().catch(console.error);
    });

})();