// ==UserScript==
// @name         Facebook All Comments Helper
// @name:zh-TW   FB全部留言小幫手
// @name:zh-CN   FB全部留言小帮手
// @namespace    http://tampermonkey.net/
// @version      1.3
// @description  Easy way to show all comments.
// @description:zh-tw  讓您更快打開全部留言
// @description:zh-cn  让您更快打开全部留言
// @author       Xuitty
// @match        https://www.facebook.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=facebook.com
// @grant        none
// @license      MIT
// @downloadURL none
// ==/UserScript==

const langs = {
    de: ["Relevanteste", "Top-Kommentare", "Am zutreffendsten"],
    en: ["Top comments", "Most relevant", "Most applicable"],
    es: ["Comentarios destacados", "Más relevantes", "Más pertinentes"],
    ja: ["トップコメント", "関連度の高い順", "最も適切"],
    ko: ["관련성 높은 댓글", "참여도 높은 댓글", "적합성 높은 순"],
    fr: ["Plus pertinents", "Les meilleurs commentaires", "Les plus pertinents"],
    "zh-Hans": ["热门评论", "最相关", "最合适"],
    "zh-Hant": ["最熱門留言", "最相關", "最相關"],
};

function execute(e) {
    if (e.code !== "Insert" && e.type === "keydown") return;
    let node1;
    let fblang = document.getElementById("facebook").getAttribute("lang");
    let lang = langs[fblang] || langs.en;
    var headings = document.evaluate(
        "//span[text()='" + lang[0] + "' or text()='" + lang[1] + "' or text()='" + lang[2] + "']",
        document,
        null,
        XPathResult.ANY_TYPE,
        null
    );
    while ((node1 = headings.iterateNext())) {
        node1.click();
        setTimeout(() => {
            document.querySelectorAll('*[role="menuitem"]')[document.querySelectorAll('*[role="menuitem"]').length - 1].click();
        }, 100);
    }
}

(function () {
    "use strict";

    document.addEventListener("dblclick", execute);
    document.addEventListener("keydown", execute);
})();