// ==UserScript==
// @name         Bilibili 翻页评论区
// @namespace    MotooriKashin
// @version      1.0.8
// @description  恢复原来的翻页评论区，仅此而已
// @author       MotooriKashin
// @icon         https://static.hdslb.com/images/favicon.ico
// @match        *://*.bilibili.com/*
// @grant        none
// @run-at       document-body
// @license      MIT
// @downloadURL none
// ==/UserScript==

(function () {
    let loading = false, load = false; // 是否载入
    const arr = []; // 接口暂存
    Object.defineProperty(window, "bbComment", {
        configurable: true,
        set: v => {
            if (!load) {
                // 压栈
                arr.unshift(v);
            }
        },
        get: () => {
            if (load) {
                Promise.resolve().then(() => {
                    document.querySelectorAll("style").forEach(d => {
                        d.textContent && d.textContent.includes("热门评论") && d.remove();
                    });
                    addElement("link", { rel: "stylesheet", href: "//static.hdslb.com/phoenix/dist/css/comment.min.css" }, document.head);
                })
                Object.defineProperty(window, "bbComment", { configurable: true, value: arr[0] });
                // 出栈
                return arr[0];
            }
            return class { // 等待载入
                constructor() {
                    if (!loading) {
                        loadScript("//static.hdslb.com/phoenix/dist/js/comment.min.js").then(() => {
                            load = true;
                        })
                    }
                    loading = true;
                    setTimeout(() => new window.bbComment(...arguments), 100);
                }
                on() { }
            }
        }
    });
    Object.defineProperty(window, "initComment", {
        configurable: true,
        set: v => true,
        get: () => {
            if (load) {
                Promise.resolve().then(() => {
                    document.querySelectorAll("style").forEach(d => {
                        d.textContent && d.textContent.includes("热门评论") && d.remove();
                    });
                    addElement("link", { rel: "stylesheet", href: "//static.hdslb.com/phoenix/dist/css/comment.min.css" }, document.head);
                })
                function initComment(tar, init) {
                    new arr[0](tar, init.oid, init.pageType, init.userStatus);
                }
                Object.defineProperty(window, "initComment", { configurable: true, value: initComment });
                // 出栈
                return initComment;
            }
            return function () {
                if (!loading) {
                    loadScript("//static.hdslb.com/phoenix/dist/js/comment.min.js").then(() => {
                        load = true;
                    })
                }
                loading = true;
                setTimeout(() => window.initComment(...arguments), 100);
            }
        }
    });
    function loadScript(src, onload) {
        return new Promise((r, j) => {
            const script = document.createElement("script");
            script.type = "text/javascript";
            script.src = src;
            script.addEventListener("load", () => {
                script.remove();
                onload && onload();
                r(true);
            });
            script.addEventListener('error', () => {
                script.remove();
                j();
            });
            (document.body || document.head || document.documentElement || document).appendChild(script);
        });
    }
    function addElement(tag, attribute, parrent, innerHTML, top, replaced) {
        let element = document.createElement(tag);
        attribute && (Object.entries(attribute).forEach(d => element.setAttribute(d[0], d[1])));
        parrent = parrent || document.body;
        innerHTML && (element.innerHTML = innerHTML);
        replaced ? replaced.replaceWith(element) : top ? parrent.insertBefore(element, parrent.firstChild) : parrent.appendChild(element);
        return element;
    }
})();