// ==UserScript==
// @name         天翼云盘直连助手🚀 无需转存立即下载告别限速无需会员真正的不限速
// @namespace    https://www.cnblogs.com/lusuo
// @version      30.0.0
// @description  【一键F12】自动引导 + 自动刷新 + 链接提取。集成下载工具指引，支持 IDM/Motrix/NDM。
// @author       Lusuo
// @license      MIT
// @match        *://cloud.189.cn/*
// @match        *://h5.cloud.189.cn/*
// @run-at       document-start
// @grant        GM_setClipboard
// @grant        unsafeWindow
// ==/UserScript==

(function() {
    'use strict';

    const realWindow = unsafeWindow || window;

    // ==========================================
    // ⚙️ 配置中心
    // ==========================================
    const CONFIG = {
        author: "Lusuo",
        blogUrl: "https://www.cnblogs.com/lusuo",
        // 打赏跳转链接
        donateUrl: "https://www.cnblogs.com/lusuo/p/19576399"
    };

    console.log(`🚀 直连助手 (${CONFIG.author} v30) 已启动`);

    // ==========================================
    // 🔧 全局函数挂载
    // ==========================================

    // 1. 复制链接
    realWindow.tyCopyLink = function(btn) {
        const text = document.getElementById('ty-url-text').innerText;
        if (navigator.clipboard) {
            navigator.clipboard.writeText(text);
        } else {
            const textarea = document.createElement('textarea');
            textarea.value = text;
            document.body.appendChild(textarea);
            textarea.select();
            document.execCommand('copy');
            document.body.removeChild(textarea);
        }

        const oldText = btn.innerText;
        btn.innerText = '✅ 复制成功';
        btn.style.background = '#059669';
        setTimeout(() => {
            btn.innerText = oldText;
            btn.style.background = '#007AFF';
        }, 2000);
    };

    // 2. 关闭面板
    realWindow.tyClosePanel = function() {
        document.getElementById('ty-result-panel').style.display = 'none';
    };

    // 3. 显示引导
    realWindow.tyShowGuide = function() {
        if (document.getElementById('ty-guide-modal')) return;
        const div = document.createElement('div');
        div.id = 'ty-guide-modal';
        div.className = 'ty-overlay';
        div.innerHTML = `
            <div class="ty-modal">
                <div class="ty-m-head">👉 操作指引 <span class="ty-m-close" onclick="document.getElementById('ty-guide-modal').remove()">×</span></div>
                <div class="ty-m-body">
                    <p>1. 按下键盘 <b style="color:#007AFF">F12</b> 打开开发者工具。</p>
                    <p>2. 按下 <b style="color:#007AFF">Ctrl + Shift + M</b> (开启手机视图)。注意要在F12中按Ctrl + Shift + M后脚本会识别自动刷新</p>
                    <p>3. 脚本会自动刷新页面进入手机端。</p>
                    <hr style="border:0; border-top:1px dashed #eee; margin:15px 0;">
                    <p style="font-size:12px;color:#888;">💡 进入手机版后，选择你需要的文件只能一个一个来然后点击底部的“下载”按钮，脚本会自动拦截并提取链接。</p>
                </div>
            </div>
        `;
        document.body.appendChild(div);
        div.onclick = (e) => { if(e.target === div) div.remove(); };
    };

    // ==========================================
    // 1. 顶部引导按钮
    // ==========================================
    function initGuide() {
        if (window.innerWidth < 800 || location.hostname.startsWith('h5')) {
            console.log('成功更改');
            return;
        }

        const style = document.createElement('style');
        style.textContent = `
            #ty-guide-btn {
                position: fixed; top: 10px; left: 50%; transform: translateX(-50%);
                background: linear-gradient(135deg, #007AFF 0%, #0055FF 100%);
                color: white; padding: 10px 20px; border-radius: 8px;
                cursor: pointer; box-shadow: 0 4px 12px rgba(0, 85, 255, 0.3);
                font-family: -apple-system, system-ui, sans-serif;
                font-weight: 600; font-size: 14px; z-index: 2147483647;
                display: flex; align-items: center; gap: 8px;
                transition: all 0.2s; border: 1px solid rgba(255,255,255,0.2);
            }
            #ty-guide-btn:hover { transform: translateX(-50%) translateY(2px); box-shadow: 0 2px 6px rgba(0, 85, 255, 0.4); }

            .ty-overlay {
                position: fixed; top: 0; left: 0; width: 100%; height: 100%;
                background: rgba(0,0,0,0.6); z-index: 2147483648;
                backdrop-filter: blur(2px); animation: ty-fade 0.2s;
                display: flex; justify-content: center; align-items: center;
            }
            @keyframes ty-fade { from { opacity: 0; } to { opacity: 1; } }

            .ty-modal {
                background: white; width: 90%; max-width: 420px;
                border-radius: 12px; box-shadow: 0 20px 40px rgba(0,0,0,0.3);
                overflow: hidden; animation: ty-scale 0.2s; font-family: sans-serif;
            }
            @keyframes ty-scale { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }

            .ty-m-head { padding: 16px; border-bottom: 1px solid #eee; display: flex; justify-content: space-between; align-items: center; font-weight: bold; font-size: 16px; color: #333; background: #f9f9f9; }
            .ty-m-body { padding: 20px; font-size: 14px; color: #555; line-height: 1.6; }
            .ty-m-close { cursor: pointer; color: #999; font-size: 24px; line-height: 1; padding: 0 5px; }
            .ty-m-close:hover { color: #333; }
        `;
        (document.head || document.documentElement).appendChild(style);

        window.addEventListener('DOMContentLoaded', () => {
            const btn = document.createElement('div');
            btn.id = 'ty-guide-btn';
            btn.innerHTML = '🛠️ 天翼盘直链获取';
            btn.setAttribute('onclick', 'tyShowGuide()');
            document.body.appendChild(btn);
        });

        // 自动刷新
        let isWaiting = true;
        window.addEventListener('resize', () => {
            if (!isWaiting) return;
            if (window.innerWidth < 800) {
                setTimeout(() => location.reload(), 500);
                isWaiting = false;
            }
        });
    }

    // ==========================================
    // 2. 结果展示面板
    // ==========================================
    function showResult(url) {
        GM_setClipboard(url);

        let p = document.getElementById('ty-result-panel');
        if (!p) {
            const css = document.createElement('style');
            css.textContent = `
                #ty-result-panel {
                    position: fixed; top: 40%; left: 50%; transform: translate(-50%, -50%);
                    background: #fff; width: 90%; max-width: 500px;
                    border-radius: 12px; box-shadow: 0 25px 60px rgba(0,0,0,0.3);
                    z-index: 2147483647; font-family: -apple-system, sans-serif;
                    border: 1px solid #e5e7eb; animation: ty-in 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
                }
                @keyframes ty-in { from { opacity: 0; transform: translate(-50%, -45%); } to { opacity: 1; transform: translate(-50%, -50%); } }

                .ty-r-head {
                    background: #f8fafc; border-bottom: 1px solid #e2e8f0; padding: 15px 20px;
                    display: flex; justify-content: space-between; align-items: center;
                }
                .ty-r-title { font-weight: 700; color: #0f172a; font-size: 16px; }

                .ty-r-body { padding: 24px; }

                .ty-url-box {
                    background: #f1f5f9; color: #334155; padding: 12px; border-radius: 8px;
                    word-break: break-all; font-family: "Menlo", monospace; font-size: 12px;
                    max-height: 80px; overflow-y: auto; border: 1px solid #cbd5e1;
                    margin: 10px 0 20px 0;
                }

                .ty-btn-copy {
                    width: 100%; background: #007AFF; color: white; border: none; padding: 12px;
                    border-radius: 8px; font-weight: 600; cursor: pointer; font-size: 14px;
                    transition: background 0.2s; box-shadow: 0 4px 10px rgba(0,122,255,0.2);
                }
                .ty-btn-copy:hover { background: #0062cc; }

                .ty-tools { margin-top: 20px; padding: 15px; background: #f0f9ff; border-radius: 8px; border: 1px dashed #bae6fd; }
                .ty-tools-title { font-size: 12px; font-weight: bold; color: #0284c7; margin-bottom: 8px; }
                .ty-tools-list { font-size: 12px; color: #555; display: flex; gap: 10px; flex-wrap: wrap; }
                .ty-tool-tag { background: white; padding: 4px 8px; border-radius: 4px; border: 1px solid #e0f2fe; color: #333; }
                .ty-tag-free { color: #16a34a; font-weight: bold; }

                .ty-footer {
                    margin-top: 20px; padding-top: 15px; border-top: 1px solid #e2e8f0;
                    display: flex; justify-content: space-between; align-items: center;
                    font-size: 12px; color: #94a3b8;
                }
                .ty-link { text-decoration: none; color: #007AFF; cursor: pointer; display: flex; align-items: center; gap: 4px; }
                .ty-link:hover { text-decoration: underline; }
                .ty-donate-btn { color: #f97316; font-weight: bold; padding: 4px 8px; border-radius: 4px; transition: background 0.2s; }
                .ty-donate-btn:hover { background: #fff7ed; }
            `;
            (document.head || document.documentElement).appendChild(css);

            p = document.createElement('div');
            p.id = 'ty-result-panel';
            p.innerHTML = `
                <div class="ty-r-head">
                    <span class="ty-r-title">🎉 链接提取成功</span>
                    <span class="ty-m-close" onclick="tyClosePanel()">×</span>
                </div>
                <div class="ty-r-body">
                    <div style="font-size:12px;color:#666;">直连地址 (已自动复制):</div>
                    <div class="ty-url-box" id="ty-url-text"></div>
                    <button class="ty-btn-copy" onclick="tyCopyLink(this)">点我手动复制</button>

                    <div class="ty-tools">
                        <div class="ty-tools-title">⬇️ 推荐使用多线程下载器 (请粘贴链接到软件中):</div>
                        <div class="ty-tools-list">
                            <span class="ty-tool-tag">⚡ IDM (付费/最强)</span>
                            <span class="ty-tool-tag"><span class="ty-tag-free">Free</span> Motrix (开源免费)</span>
                            <span class="ty-tool-tag"><span class="ty-tag-free">Free</span> NDM (小巧免费)</span>
                        </div>
                    </div>

                    <div class="ty-footer">
                        <a href="${CONFIG.blogUrl}" target="_blank" class="ty-link">
                            <span>👤 作者: ${CONFIG.author}</span>
                        </a>
                        <a href="${CONFIG.donateUrl}" target="_blank" class="ty-link ty-donate-btn">
                            <span>☕ 打赏一毛钱</span>
                        </a>
                    </div>
                </div>
            `;
            document.body.appendChild(p);
        }

        document.getElementById('ty-url-text').innerText = url;
        p.style.display = 'block';
    }

    // ==========================================
    // 3. 核心：上帝之手拦截
    // ==========================================
    const originalOpen = realWindow.XMLHttpRequest.prototype.open;
    realWindow.XMLHttpRequest.prototype.open = function(method, url) {
        this._ty_is_target = url && url.includes('getFileDownloadUrl');
        return originalOpen.apply(this, arguments);
    };

    const originalResponseTextDescriptor = Object.getOwnPropertyDescriptor(realWindow.XMLHttpRequest.prototype, 'responseText');
    Object.defineProperty(realWindow.XMLHttpRequest.prototype, 'responseText', {
        get: function() {
            const realText = originalResponseTextDescriptor.get.call(this);
            if (this._ty_is_target && this.readyState === 4) {
                try {
                    const json = JSON.parse(realText);
                    if (json.fileDownloadUrl) {
                        if (!this._ty_shown) {
                            showResult(json.fileDownloadUrl);
                            this._ty_shown = true;
                        }
                        return '{"code":0,"fileDownloadUrl":"","msg":"Blocked by Lusuo Script"}';
                    }
                } catch(e) {}
            }
            return realText;
        }
    });

    const originalResponseDescriptor = Object.getOwnPropertyDescriptor(realWindow.XMLHttpRequest.prototype, 'response');
    Object.defineProperty(realWindow.XMLHttpRequest.prototype, 'response', {
        get: function() {
            const realRes = originalResponseDescriptor.get.call(this);
            if (this._ty_is_target && this.readyState === 4) {
                try {
                    if (typeof realRes === 'object' && realRes.fileDownloadUrl) {
                        if (!this._ty_shown) { showResult(realRes.fileDownloadUrl); this._ty_shown = true; }
                        return { code: 0, fileDownloadUrl: "" };
                    }
                } catch(e) {}
            }
            return realRes;
        }
    });

    initGuide();

})();