// ==UserScript==
// @name         Bilibili 账号已注销修正
// @name:zh-CN   Bilibili 账号已注销修正
// @namespace    http://tampermonkey.net/
// @version      2.8.0
// @license      MIT
// @description  修正Bilibili 账户已注销的主页链接，修改为 https://www.bilibili.com/list/$UID
// @description:zh-CN  修正Bilibili 账户已注销的主页链接，修改为 https://www.bilibili.com/list/$UID
// @author       Kaesinol
// @match        https://*.bilibili.com/*
// @grant        none
// @run-at       document-end
// @icon         https://www.gstatic.com/android/keyboard/emojikitchen/20220506/u1f47b/u1f47b_u1f5d1-ufe0f.png
// ==/UserScript==

(function () {
    "use strict";
    const DEAD_USERNAME = "账号已注销";
    function estimateRegisterTime(uid) { // 来源： https://www.bilibili.com/read/cv35787158
        const n = BigInt(uid);
        const len = uid.length;
        if (len === 15 || len === 16) return "≈ 2022-03-21 之后（15/16位UID时代）";
        if (len === 10) return "≈ 2020-10-29 之后（10位UID时代）";

        const ranges = [
            [1n, 15n, "2009-06-24"],
            [16n, 20n, "2009-06-25"],
            [21n, 23n, "暂无资料"],
            [24n, 25n, "2009-06-26"],
            [26n, 26n, "2009-06-28"],
            [27n, 27n, "2009-06-29"],
            [28n, 29n, "2009-07-06"],
            [30n, 83n, "2009-07-09"],
            [84n, 84n, "2009-07-11"],
            [85n, 91n, "2009-07-12"],
            [92n, 528n, "2009-07-13"],
            [529n, 1543n, "2009-07-14"],
            [1544n, 5697n, "2009-07-15 ~ 2009-12-13"],
            [5698n, 5707n, "2009-12-14"],
            [5708n, 5711n, "2009-12-15"],
            [5712n, 5714n, "2009-12-16"],
            [5715n, 9999n, "2010-01-01 ~ 2010-02-05"],
            [10000n, 44186n, "2010-02-05 ~ 2010-06-25"],
            [44187n, 78765n, "2010-06-26 ~ 2010-12-23"],
            [78766n, 99999n, "2011-01-03 ~ 2011-02-03"],
            [100001n, 259332n, "2011-02-03 ~ 2011-12-16"],
            [259333n, 680417n, "2012-01-01 ~ 2012-12-26"],
            [680418n, 960021n, "2013-01-01 ~ 2013-05-02"],
            [1111111n, 2954623n, "2013-05-02 ~ 2013-12-31"],
            [2954624n, 7532842n, "2014-01-01 ~ 2014-12-31"],
            [7532843n, 9999999n, "2015-01-01 ~ 2015-05-01"],
            [10000000n, 20593642n, "2015-05-01 ~ 2015-12-31"],
            [20593643n, 73886290n, "2016-01-01 ~ 2016-12-31"],
            [73886291n, 99999999n, "2017-01-01 ~ 2017-03-31"],
            [100000000n, 272960616n, "2017-03-31 ~ 2017-12-31"],
            [272960617n, 393942207n, "2018-01-01 ~ 2018-12-31"],
            [393942208n, 490696435n, "2019-01-01 ~ 2019-12-31"],
            [490696436n, 703223216n, "2020-01-01 ~ 2020-10-29"],
        ];

        for (const [min, max, date] of ranges) {
            if (n >= min && n <= max) return date;
        }

        return "未知时间";
    }
    function processLinks() {
        const rules = {
            "space.bilibili.com/\\d+/favlist": {
                query: "div.bili-video-card__subtitle a",
            },
            "space.bilibili.com/\\d+/relation/*": {
                query: "a.relation-card-info__uname",
            },
            "www.bilibili.com/(video|list)/": {
                type: "intercept",
                query: [
                    ".up-detail-top a",
                    "a.staff-name",
                    "div.basic-desc-info a.mention-user",
                ],
            },
            "search.bilibili.com": {
                query: ".bili-video-card__info--owner",
            },
            "www.bilibili.com/opus/\\d+": {
                type: "override",
                query: ".opus-module-author:not([data-processed])",
            },
        };

        Object.entries(rules).forEach(([host, { query, type }]) => {
            if (RegExp(host).test(location.href)) {
                const queries = Array.isArray(query) ? query : [query];
                queries.forEach((q) => {
                    document.querySelectorAll(q).forEach((el) => {
                        handleElement(el, type);
                    });
                });
            }
        });
    }

    function uidToShortId(n) {
        n = BigInt(n);
        const chars =
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-";
        let res = "";
        while (n > 0n) {
            res = chars[Number(n % 64n)] + res;
            n /= 64n;
        }
        return res || "A";
    }

    function handleElement(tag, type = "normal") {
        let text = null;
        let regular = true;

        if (
            ["space.bilibili.com", "search.bilibili.com", "bilibili.com/opus"]
                .some(
                    (prefix) =>
                        (location.hostname + location.pathname).includes(
                            prefix,
                        ),
                )
        ) {
            text = tag.text.split(" ").filter((s) => s.trim() !== "")[0];
            regular = false;
        } else {
            text = tag.text;
        }

        const str = text.trim();

        if (str === DEAD_USERNAME || str === `@${DEAD_USERNAME}`) {
            const match = type === "override"
                ? true
                : tag.href.match(/\/(\d+)\??/);

            tag.style.fontStyle = "italic";

            // ===== override（动态获取 uid）=====
            if (match && type === "override") {
                const uid = window.__INITIAL_STATE__?.detail?.basic?.uid ??
                    window.__INITIAL_STATE__?.detail?.modules?.find(
                        (m) => m.module_author,
                    )?.module_author?.mid;

                if (!uid) return;

                makeLinkPreview(tag, `https://www.bilibili.com/list/${uid}`);

                tag.addEventListener(
                    "click",
                    (e) => {
                        e.preventDefault();
                        window.open(
                            `https://www.bilibili.com/list/${uid}`,
                            "_blank",
                        );
                    },
                    { capture: true },
                );

                tag.querySelector(".opus-module-author__name").text = str +
                    uidToShortId(uid);

                tag.setAttribute("data-processed", "true");
                return;
            }

            // ===== 普通处理 =====
            if (match) {
                if (regular) {
                    tag.text = tag.text.trim() + uidToShortId(match[1]);
                } else {
                    tag.text = tag.text.replace(
                        str,
                        str + uidToShortId(match[1]),
                    );
                }
            }

            if (
                tag.scrollWidth > tag.clientWidth ||
                tag.scrollHeight > tag.clientHeight
            ) {
                tag.title = tag.textContent;
                if (tag.textContent.includes(" · ")) {
                    tag.textContent = tag.textContent.replace(
                        / · 收藏于\d+-\d+-\d+$/,
                        "",
                    );
                }
            }

            // ===== 跳转处理 =====
            if (match && type === "normal") {
                tag.href = `https://www.bilibili.com/list/${match[1]}`;
            } else if (match && type === "intercept") {
                makeLinkPreview(
                    tag,
                    `https://www.bilibili.com/list/${match[1]}`,
                );
            }
            const time = estimateRegisterTime(match[1]);

            if (!tag.dataset.regTimeAdded) {
                tag.setAttribute("data-reg-time", time);

                tag.title = tag.title
                    ? tag.title + "\n注册时间推测: " + time
                    : "注册时间推测: " + time;

                tag.dataset.regTimeAdded = "1";
            }
        }
    }

    function makeLinkPreview(el, url) {
        if (el.dataset.linkPreview === "1") return;
        el.dataset.linkPreview = "1";

        const proxy = document.createElement("span");

        Object.assign(proxy.style, {
            position: "absolute",
            top: "0",
            left: "0",
            width: "100%",
            height: "100%",
            display: "block",
            cursor: "pointer",
            zIndex: "10",
        });

        if (getComputedStyle(el).position === "static") {
            el.style.position = "relative";
        }

        proxy.addEventListener("click", (e) => {
            e.preventDefault();
            e.stopPropagation();
            window.open(url, "_blank", "noopener,noreferrer");
        });

        el.appendChild(proxy);
    }

    function processCommentRenderers(elements) {
        elements.forEach((renderer) => {
            const bili = renderer.shadowRoot.querySelector(
                "bili-comment-renderer",
            );
            const userInfo = bili.shadowRoot.querySelector(
                "bili-comment-user-info",
            );
            const user = userInfo.shadowRoot.querySelector("#user-name a");

            if (user) handleElement(user);

            function processRichTextLinks(richText) {
                richText.shadowRoot
                    .querySelector("bili-rich-text")
                    .shadowRoot.querySelectorAll('a[data-type="mention"]')
                    .forEach((a) => {
                        if (a.textContent.trim() === "@账号已注销") {
                            handleElement(a);
                        }
                    });
            }

            processRichTextLinks(bili);

            const replies = renderer.shadowRoot.querySelector(
                "bili-comment-replies-renderer",
            );

            const replyNodes = replies.shadowRoot.querySelectorAll(
                "bili-comment-reply-renderer",
            );

            replyNodes.forEach((reply) => {
                const rUser = reply.shadowRoot
                    .querySelector("bili-comment-user-info")
                    .shadowRoot.querySelector("#user-name a");

                if (rUser) handleElement(rUser);

                processRichTextLinks(reply);
            });

            if (!replies.shadowRoot.textContent.trim()) {
                renderer.setAttribute("data-processed", "true");
                return;
            }
        });
    }

    function processComments() {
        const startElement = document.querySelector("bili-comments");
        if (startElement && startElement.shadowRoot) {
            const allElements = startElement.shadowRoot.querySelectorAll(
                "bili-comment-thread-renderer:not([data-processed])",
            );
            processCommentRenderers(allElements);
        }
    }

    function tick() {
        processComments();
        processLinks();
    }

    // 初始执行 + 持续轮询
    tick();
    setInterval(tick, 2000);
})();