// ==UserScript==
// @name         B站用户视频批量举报助手实验性
// @namespace    http://tampermonkey.net/
// @version      1.0 Beta
// @description  通过用户UID批量举报其全部视频
// @author       DeathReaper
// @match        https://www.bilibili.com/*
// @grant        GM_xmlhttpRequest
// @grant        GM_cookie
// @grant        GM_notification
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_registerMenuCommand
// @connect      bilibili.com
// @require      https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js
// ==/UserScript==

(function() {
    'use strict';

    // 配置参数
    const DELAY_SECONDS = 10;       // 每次举报间隔（秒）
    const MAX_PAGE_SIZE = 50;       // 每次获取视频数量
    const MAX_RETRY = 2;            // 单视频最大重试次数

    // API配置
    const USER_VIDEO_API = "https://api.bilibili.com/x/space/wbi/arc/search";
    const REPORT_API = "https://api.bilibili.com/x/gaia-video-api/justice/commit";

    // 全局状态
    let isRunning = false;
    let currentTask = null;

    // 获取用户所有视频
    async function getUserVideos(uid) {
        let page = 1;
        const videos = [];

        while (true) {
            const url = `${USER_VIDEO_API}?mid=${uid}&ps=${MAX_PAGE_SIZE}&pn=${page}`;
            const result = await fetchAPI(url);

            if (result.code !== 0 || !result.data.list.vlist) break;

            videos.push(...result.data.list.vlist.map(v => v.aid));
            if (result.data.list.vlist.length < MAX_PAGE_SIZE) break;

            page++;
            await delay(2000); // 分页请求间隔
        }

        return videos;
    }

    // 执行批量举报
    async function batchReport(uid) {
        if (isRunning) {
            GM_notification("已有任务正在运行！", "警告");
            return;
        }

        isRunning = true;
        const startTime = Date.now();

        try {
            // 步骤1：获取用户所有视频
            GM_notification("开始获取用户视频列表...", "信息");
            const aids = await getUserVideos(uid);
            if (aids.length === 0) {
                GM_notification("该用户没有发布视频", "完成");
                return;
            }

            // 步骤2：逐条举报
            GM_notification(`发现${aids.length}个视频，开始处理...`, "信息");
            let successCount = 0;

            for (const [index, aid] of aids.entries()) {
                if (!isRunning) break;

                let retry = 0;
                while (retry <= MAX_RETRY) {
                    const result = await sendReport(aid);
                    if (result.code === 0) {
                        successCount++;
                        break;
                    }
                    retry++;
                }

                // 进度提示
                const progress = ((index + 1) / aids.length * 100).toFixed(1);
                GM_notification(
                    `进度: ${progress}%\n` +
                    `成功: ${successCount}/${aids.length}\n` +
                    `当前视频: av${aid}`, 
                    "处理中", 
                    2
                );

                await delay(DELAY_SECONDS * 1000);
            }

            // 生成报告
            const timeUsed = Math.round((Date.now() - startTime)/1000);
            GM_notification(
                `任务完成！\n` +
                `成功率: ${successCount}/${aids.length}\n` +
                `耗时: ${timeUsed}秒`,
                "最终报告"
            );

        } finally {
            isRunning = false;
        }
    }

    // 核心工具函数
    async function fetchAPI(url) {
        return new Promise(resolve => {
            GM_xmlhttpRequest({
                method: "GET",
                url: url,
                headers: {
                    "Referer": location.href,
                    "Origin": "https://www.bilibili.com"
                },
                onload: res => resolve(JSON.parse(res.responseText)),
                onerror: () => resolve({ code: -500 })
            });
        });
    }

    async function sendReport(aid) {
        const csrf = await getCSRFToken();
        if (!csrf) return { code: -403 };

        return new Promise(resolve => {
            GM_xmlhttpRequest({
                method: "POST",
                url: REPORT_API,
                data: `aid=${aid}&reason_id=1&csrf=${csrf}`,
                headers: {
                    "Content-Type": "application/x-www-form-urlencoded",
                    "Referer": "https://www.bilibili.com/"
                },
                onload: res => resolve(JSON.parse(res.responseText)),
                onerror: () => resolve({ code: -500 })
            });
        });
    }

    // 用户交互界面
    function createUI() {
        const panel = $(`
            <div id="batch-report-panel" style="
                position: fixed;
                right: 20px;
                bottom: 70px;
                background: white;
                padding: 15px;
                box-shadow: 0 2px 10px rgba(0,0,0,0.2);
                z-index: 99999;
                width: 300px;
            ">
                <h3 style="margin:0 0 10px 0">批量举报设置</h3>
                <input type="text" id="target-uid" placeholder="输入用户UID" style="width:100%; margin-bottom:10px">
                <button id="start-btn" style="width:100%; padding:5px">开始执行</button>
                <button id="stop-btn" style="width:100%; margin-top:5px; display:none">停止任务</button>
                <div id="status" style="margin-top:10px; font-size:0.9em"></div>
            </div>
        `);

        // 事件绑定
        panel.find("#start-btn").click(async () => {
            const uid = panel.find("#target-uid").val();
            if (!/^\d+$/.test(uid)) {
                updateStatus("UID必须为纯数字！", "red");
                return;
            }

            panel.find("#start-btn").hide();
            panel.find("#stop-btn").show();
            updateStatus("任务启动中...", "blue");
            
            currentTask = batchReport(uid);
            await currentTask;
            
            panel.find("#stop-btn").hide();
            panel.find("#start-btn").show();
        });

        panel.find("#stop-btn").click(() => {
            isRunning = false;
            updateStatus("用户主动终止任务", "orange");
        });

        function updateStatus(text, color) {
            panel.find("#status").html(`<span style="color:${color}">${text}</span>`);
        }

        $("body").append(panel);
    }

    // 辅助函数
    function delay(ms) {
        return new Promise(resolve => setTimeout(resolve, ms));
    }

    async function getCSRFToken() {
        return new Promise(resolve => {
            GM_cookie.list({ domain: ".bilibili.com", name: "bili_jct" }, cookies => {
                resolve(cookies[0]?.value || null);
            });
        });
    }

    // 初始化
    GM_registerMenuCommand("打开批量举报面板", () => {
        if (!$("#batch-report-panel").length) createUI();
    });
    setTimeout(() => {
        if (location.hostname === 'space.bilibili.com') createUI();
    }, 3000);

})();