// ==UserScript==
// @name Wanikani Review Summary
// @namespace https://tampermonkey.net/
// @version 0.3
// @license MIT
// @description Show a popup with statistics about the review session when returning to the dashboard
// @author leohumnew
// @match https://www.wanikani.com/subjects/review
// @grant none
// ==/UserScript==
(function() {
'use strict';
// Variables to store the statistics
let questionsAnswered = 0;
let itemsCorrect = 0;
let itemsIncorrect = 0;
let meaningCorrect = 0;
let meaningIncorrect = 0;
let readingCorrect = 0;
let readingIncorrect = 0;
let correctHistory = [];
let itemsList = [];
let currentQuestionType = "";
let currentCategory = "";
let currentWord = "";
let currentSRSLevel = -1;
let quizQueueSRS = [];
let SRSLevelNames = ["Lesson", "Appr. I", "Appr. II", "Appr. III", "Appr. IV", "Guru I", "Guru II", "Master", "Enl.", "Burned", "Error"];
// Create style element with popup styles and append it to the document head
let style = document.createElement("style");
style.textContent = ".summary-popup { position: fixed; width: 100%; height: 100%; z-index: 9999; color: var(--color-text); background-color: var(--color-dashboard-panel-content-background, #eee); padding: 50px; overflow-y: auto; font-size: var(--font-size-large); }";
style.textContent += ".summary-popup > a { background-color: transparent; text-decoration: none; text-align: center; margin: 30px 50px; position: absolute; top: 0px; right: 0px; cursor: pointer; padding: 10px; border-radius: 5px; outline: 1px solid var(--color-tertiary, black); color: var(--color-text) } .summary-popup > a:hover { color: var(--color-tertiary, #bbb); }";
style.textContent += ".summary-popup table { border-collapse: collapse; width: 100%; background-color: var(--color-dashboard-panel-background, #000); } .summary-popup td { border: none; padding: 5px; text-align: center; }";
style.textContent += ".summary-popup h1 { margin-bottom: 10px; font-weight: bold; font-size: var(--font-size-xlarge); } .summary-popup h2 { font-weight: bold; margin-top: 20px; padding: 20px; color: #fff; font-size: var(--font-size-large); border-radius: 5px 5px 0 0; }";
style.textContent += ".summary-popup ul { background-color: var(--color-dashboard-panel-background, #fff); padding: 0 5px; } .summary-popup li { display: inline-block; } .summary-popup li a { display: block; margin: 10px 5px; padding: 10px; color: var(--color-text-dark, #fff); font-size: 1.5rem; height: 2.6rem; border-radius: 5px; text-decoration: none; } .summary-popup li a img { height: 1.5rem; vertical-align: middle; }";
style.textContent += ".summary-popup .summary-popup__popup { background-color: var(--color-menu, #ddd); color: var(--color-text, #fff); text-decoration: none; padding: 10px; border-radius: 5px; position: fixed; z-index: 9999; display: none; font-size: var(--font-size-medium); box-shadow: 0 2px 3px rgba(0, 0, 0, 0.5); width: max-content; line-height: 1.3; }";
style.textContent += ".summary-popup .summary-popup__popup:after { content: ''; position: absolute; top: -8px; margin-left: -10px; width: 0; height: 0; border-left: 10px solid transparent; border-right: 10px solid transparent; border-bottom: 10px solid var(--color-menu, #ddd); }";
style.textContent += ".summary-popup .summary-popup__popup--left:after { right: 15px; } .summary-popup .summary-popup__popup--right:after { left: 25px; }";
style.textContent += ".summary-popup .accuracy-graph { height: 150px; width: 100%; background-color: var(--color-dashboard-panel-background, #fff); padding: 25px 0; } .summary-popup .accuracy-graph__line { position: relative; transform-origin: 0 0; height: 2px; background-color: var(--color-text); float: left; }";
document.head.appendChild(style);
// Function to calculate the percentage
function percentage(numerator, denominator) {
return Math.round(numerator / denominator * 100) + "%";
}
// Function to get quiz queue SRS
function getQuizQueueSRS() {
quizQueueSRS = JSON.parse(document.querySelectorAll("#quiz-queue script[data-quiz-queue-target='subjectIdsWithSRS']")[0].innerHTML);
}
getQuizQueueSRS();
// Clear the data-quiz-queue-done-url-value parameter on #quiz-queue
document.getElementById("quiz-queue").setAttribute("data-quiz-queue-done-url-value", "");
// Function to create a popup element
function createPopup(content) {
// Create a div element with some styles
let popup = document.createElement("div");
popup.className = "summary-popup";
// Create a close button with some styles and functionality
let closeButton = document.createElement("a");
closeButton.textContent = "Dashboard";
closeButton.href = "https://www.wanikani.com/dashboard";
// Append the content and the close button to the popup
popup.appendChild(content);
popup.appendChild(closeButton);
return popup;
}
// Function to create a table element with some data
function createTable(data) {
// Create a table
let table = document.createElement("table");
let row = document.createElement("tr");
let row2 = document.createElement("tr");
let row3 = document.createElement("tr");
// Loop through the data array
for (let i = 0; i < data.length; i++) {
// Create table cell elements
let cell = document.createElement("td");
cell.textContent = data[i][0];
cell.style.fontSize = "var(--font-size-xxlarge)";
cell.style.fontWeight = "bold";
cell.style.padding = "25px 0 0 0";
row.appendChild(cell);
let cell2 = document.createElement("td");
cell2.textContent = data[i][1];
cell2.style.fontSize = "var(--font-size-small)";
cell2.style.fontStyle = "italic";
cell2.style.color = "var(--color-text-mid, #999)";
cell2.style.padding = "0 0 10px 0";
row2.appendChild(cell2);
let cell3 = document.createElement("td");
cell3.textContent = data[i][2];
cell3.style.fontSize = "var(--font-size-medium)";
cell3.style.paddingBottom = "25px";
row3.appendChild(cell3);
}
// Append the rows to the table
table.append(row, row2, row3);
// Return the table element
return table;
}
// Function to show the statistics when returning to the dashboard
function showStatistics() {
console.log(itemsList);
// Check if there are any items reviewed
if (questionsAnswered > 0) {
// Create a heading element with some text and styles
let headingText = document.createElement("h1");
headingText.textContent = " Review Summary";
let headingImage = document.createElement("div");
headingImage.classList = "wk-icon fa-solid fa-square-check";
headingImage.style.float = "left";
headingImage.style.margin = "2px 6px 0 0";
let heading = document.createElement("div");
heading.append(headingImage, headingText);
// Create an unordered list element
let listCorrect = document.createElement("ul");
let listIncorrect = document.createElement("ul");
// Loop through the items list array
let srsUpNum = 0;
let typeNum = [0, 0, 0];
for (let i = 0; i < itemsList.length; i++) {
// Create a list item element with the character or image
let listItem = document.createElement("li");
let listItemLink = document.createElement("a");
if(itemsList[i].characters.url == null) listItemLink.textContent = itemsList[i].characters;
else {
let listItemImage = document.createElement("img");
listItemImage.src = itemsList[i].characters.url;
listItemLink.appendChild(listItemImage);
}
if (itemsList[i].type === "Radical") {
listItemLink.style.backgroundColor = "var(--color-radical, #00aaff)";
listItemLink.href = "https://www.wanikani.com/radicals/" + itemsList[i].meanings[0];
} else if (itemsList[i].type === "Kanji") {
listItemLink.style.backgroundColor = "var(--color-kanji, #ff00aa)";
listItemLink.href = "https://www.wanikani.com/kanji/" + itemsList[i].characters;
}
else {
listItemLink.style.backgroundColor = "var(--color-vocabulary, #aa00ff)";
listItemLink.href = "https://www.wanikani.com/vocabulary/" + itemsList[i].characters;
}
// Create popup with meaning and reading info on hover
let popup = document.createElement("div");
popup.className = "summary-popup__popup";
popup.innerHTML = "Meaning: <strong>" + itemsList[i].meanings.slice(0, 2).join(", ") + "</strong>";
if(itemsList[i].type == "Kanji") {
typeNum[1]++;
for (let k = 0; k < itemsList[i].readings.length; k++) { // Nanori, Onyomi, Kunyomi readings if kanji
if (itemsList[i].readings[k] != null) {
let label = "";
switch (k) {
case 0:
label = "Nanori";
break;
case 1:
label = "Onyomi";
break;
case 2:
label = "Kunyomi";
break;
}
popup.innerHTML += "<br>" + label + ": <strong>" + itemsList[i].readings[k].join(", ") + "</strong>";
}
}
}
else if(itemsList[i].type != "Radical" && itemsList[i].readings[0] != null) { // Reading if vocabulary
typeNum[2]++;
popup.innerHTML += "<br>Reading: <strong>" +
itemsList[i].readings.map(r => r.reading).join(", ") +
"</strong>";
} else { // No reading if radical
typeNum[0]++;
}
popup.innerHTML += "<br>SRS: " + SRSLevelNames[itemsList[i].oldSRS] + " -> " + SRSLevelNames[itemsList[i].newSRS];
popup.style.display = "block";
popup.style.visibility = "hidden";
listItemLink.addEventListener("mouseover", function(e) {
// Position the popup element relative to the parent item element: to the right of the parent unless that would cause the popup to go off the screen
let infoPos = listItemLink.getBoundingClientRect();
let popupPos = popup.getBoundingClientRect();
if (infoPos.left + popupPos.width + 5 > window.innerWidth) {
popup.style.right = window.innerWidth - infoPos.right + "px";
popup.style.removeProperty("left");
popup.className = "summary-popup__popup summary-popup__popup--left";
} else {
popup.style.left = infoPos.left + "px";
popup.style.removeProperty("right");
popup.className = "summary-popup__popup summary-popup__popup--right";
}
popup.style.top = infoPos.bottom + 5 + "px";
popup.style.visibility = "visible";
});
listItemLink.addEventListener("mouseout", function(e) {
popup.style.visibility = "hidden";
});
popup.style.visibility = "hidden";
// Append the list item to the list
listItemLink.appendChild(popup);
listItem.appendChild(listItemLink);
if (itemsList[i].SRSUp) {
listCorrect.appendChild(listItem);
srsUpNum++;
}
else listIncorrect.appendChild(listItem);
}
// Create a header table with main stats
let data = [
[itemsList.length, "R: " + typeNum[0] + " / K: " + typeNum[1] + " / V: " + typeNum[2], "Items Completed"],
[percentage(itemsCorrect, questionsAnswered), itemsCorrect + " out of " + questionsAnswered , "Questions Answered Correctly"],
[percentage(meaningCorrect, meaningCorrect + meaningIncorrect), meaningCorrect + " out of " + (meaningCorrect + meaningIncorrect), "Meanings Correct"],
[percentage(readingCorrect, readingCorrect + readingIncorrect), readingCorrect + " out of " + (readingCorrect + readingIncorrect), "Readings Correct"]
];
let table = createTable(data);
// Create h2 titles for the lists
let correctTitle = document.createElement("h2");
correctTitle.textContent = srsUpNum + " Items SRS Up";
correctTitle.style.backgroundColor = "var(--color-quiz-correct-background, #88cc00)";
let incorrectTitle = document.createElement("h2");
incorrectTitle.textContent = (itemsList.length - srsUpNum) + " Items SRS Down";
incorrectTitle.style.backgroundColor = "var(--color-quiz-incorrect-background, #ff0033)";
// Create a div element to wrap everything
let content = document.createElement("div");
content.append(heading, table, incorrectTitle, listIncorrect, correctTitle, listCorrect);
// Create a graph showing accuracy throughout the session using the correctHistory array, with an average of 3 elements
if(itemsList.length > 4) {
// Title h2
let graphTitle = document.createElement("h2");
graphTitle.textContent = "Session Accuracy";
graphTitle.style.backgroundColor = "var(--color-menu, #777)";
// Graph
let graph = document.createElement("div");
graph.classList = "accuracy-graph";
// Wrapper
let graphWrapper = document.createElement("div");
graphWrapper.append(graphTitle, graph);
content.appendChild(graphWrapper);
}
// Create a popup element with the content
let popup = createPopup(content);
document.body.appendChild(popup);
// Fill the graph with the correctHistory array
if(itemsList.length > 4) {
let graphDiv = document.querySelector(".accuracy-graph");
// Calculate graph data
let graphData = [];
for (let i = 1; i < correctHistory.length - 1; i++) {
graphData.push((correctHistory[i-1] + correctHistory[i] + correctHistory[i+1]) / 3);
}
let graphHeight = 100;
let graphWidth = graphDiv.getBoundingClientRect().width;
let graphStep = graphWidth / graphData.length;
graphDiv.style.paddingLeft = graphStep / 2 + "px";
let prevPos = {x: null, y: null};
for (let i = 0; i < graphData.length; i++) {
let x = graphStep * i;
let y = graphHeight - (graphData[i] * graphHeight);
if(prevPos.x != null) {
let line = document.createElement("div");
line.classList = "accuracy-graph__line";
let lineWidth = Math.sqrt(Math.pow(x - prevPos.x, 2) + Math.pow(y - prevPos.y, 2));
line.style.width = lineWidth + "px";
let rotation = Math.atan2(y - prevPos.y, x - prevPos.x);
line.style.transform = "rotate(" + rotation + "rad)";
if(rotation != 0) line.style.marginRight = Math.cos(rotation) * lineWidth - lineWidth + "px";
line.style.top = prevPos.y + "px";
graphDiv.appendChild(line);
}
prevPos = {x: x, y: y};
}
}
// Reset the statistics variables
questionsAnswered = 0;
itemsCorrect = 0;
itemsIncorrect = 0;
meaningCorrect = 0;
meaningIncorrect = 0;
readingCorrect = 0;
readingIncorrect = 0;
itemsList = [];
}
}
let eventToObserve = window.doublecheck == null ? "didAnswerQuestion" : "didFinalAnswer";
// Add an event listener for the didAnswerQuestion event
window.addEventListener(eventToObserve, function(e) {
// Check if the answer was correct or not by looking for the correct attribute
let correct = document.querySelector(".quiz-input__input-container[correct='true']") !== null;
// Push value to correct history array: 1 if correct, 0 if incorrect
correctHistory.push(correct);
// Increment the questions answered and correct/incorrect counters
questionsAnswered++;
if (currentQuestionType === "meaning") {
correct ? meaningCorrect++ : meaningIncorrect++;
} else if (currentQuestionType === "reading") {
correct ? readingCorrect++ : readingIncorrect++;
}
if (correct) itemsCorrect++;
else itemsIncorrect++;
});
// Add an event listener for the didCompleteSubject event
window.addEventListener("didCompleteSubject", function(e) {
// Get the subject data from the event detail
let subject = e.detail.subjectWithStats.subject;
let didSRSUp = e.detail.subjectWithStats.stats.meaning.incorrect === 0 && e.detail.subjectWithStats.stats.reading.incorrect === 0;
let reading = null;
if(subject.type == "Vocabulary" || subject.type == "KanaVocabulary") {
reading = subject.readings;
} else if (subject.type == "Kanji") {
reading = [null, null, null];
if(subject.nanori.length > 0) {
reading[0] = subject.nanori;
}
if(subject.onyomi.length > 0) {
reading[1] = subject.onyomi;
}
if(subject.kunyomi.length > 0) {
reading[2] = subject.kunyomi;
}
}
// Calculate the new SRS level
let newSRSLevel = didSRSUp ? currentSRSLevel + 1 : (currentSRSLevel < 2 ? currentSRSLevel : (currentSRSLevel < 5 ? currentSRSLevel - 1 : currentSRSLevel - 2));
console.log(subject.characters + " - Old SRS Level: " + SRSLevelNames[currentSRSLevel] + " New SRS Level: " + SRSLevelNames[newSRSLevel]);
// Push the subject data to the items list array
let subjectInfoToSave = { characters: subject.characters, type: subject.type, id: subject.id, SRSUp: didSRSUp, meanings: subject.meanings, readings: reading, oldSRS: currentSRSLevel, newSRS: newSRSLevel };
itemsList.push(subjectInfoToSave);
});
// Add an event listener for the willShowNextQuestion event
window.addEventListener("willShowNextQuestion", function(e) {
// Set current question variables with event info
currentQuestionType = e.detail.questionType;
currentCategory = e.detail.subject.type;
currentWord = e.detail.subject.characters;
currentSRSLevel = quizQueueSRS.find(function(element) { return element[0] == e.detail.subject.id; })[1];
if(currentSRSLevel == null) {
getQuizQueueSRS();
currentSRSLevel = quizQueueSRS.find(function(element) { return element[0] == e.detail.subject.id; })[1];
if(currentSRSLevel == null) currentSRSLevel = 10;
}
});
// Add an event listener for the turbo before-visit event
window.addEventListener("turbo:before-visit", function(e) {
showStatistics();
});
// Home button override
let homeButton = document.querySelector(".summary-button");
homeButton.setAttribute("title", "Show statistics and return to dashboard");
homeButton.addEventListener("click", function(e) {
// Prevent the default behavior of the button
if(questionsAnswered > 0) e.preventDefault();
showStatistics();
});
})();