// ==UserScript==
// @name         高级标签页跳转器
// @namespace    https://docs.scriptcat.org/
// @version      1.0
// @description  自动循环跳转预设网页，支持运行状态下自动最小化、编辑锁定、保存提醒及 Alt+M/R 快捷键控制。
// @tag          标签页 自动跳转 面板操作
// @author       yangwenren
// @match        *://*/*
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';

    // --- 状态初始化 ---
    const DEFAULT_URLS = [];
    let state = {
        urls: GM_getValue('cycle_urls', DEFAULT_URLS),
        interval: GM_getValue('cycle_interval', 30),
        isRunning: GM_getValue('is_running', false),
        currentIndex: GM_getValue('current_index', 0),
        isMinimized: GM_getValue('is_running', false) ? true : GM_getValue('is_minimized', false),
        isHidden: false,
        expandedPos: GM_getValue('expanded_pos', { x: 20, y: 20 }), 
        minimizedPos: { x: 20, y: 20 },
        timer: null
    };

    // --- 样式注入 ---
    GM_addStyle(`
        #jump-panel {
            position: fixed; z-index: 2147483647; 
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 0, 0, 0.1);
            border-radius: 12px; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
            font-family: -apple-system, system-ui, sans-serif;
            width: 240px; display: flex; flex-direction: column;
            user-select: none; overflow: hidden;
            transition: width 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.2), 
                        height 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.2), 
                        bottom 0.4s ease, right 0.4s ease, opacity 0.3s ease;
        }
        #jump-panel.minimized {
            width: 56px !important; height: 56px !important; border-radius: 28px !important; 
            cursor: pointer; border-color: #1890ff;
        }
        #jump-panel.minimized.running { border-color: #ff4d4f; }
        
        .panel-header {
            background: rgba(0,0,0,0.03); padding: 8px 12px; 
            display: flex; justify-content: space-between; align-items: center; 
            cursor: move; border-bottom: 1px solid rgba(0,0,0,0.05);
        }
        .panel-title { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: #333; }
        .minimized .panel-header, .minimized .panel-content { display: none !important; }
        
        .status-container { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; width: 100%; }
        .run-dot { width: 8px; height: 8px; border-radius: 50%; background: #ccc; }
        .run-dot.active { background: #ff4d4f; box-shadow: 0 0 8px #ff4d4f; animation: breathe 1.5s infinite; }
        .status-text { font-size: 10px; font-weight: 900; color: #999; margin-top: 2px; }
        .status-text.active { color: #ff4d4f; }
        @keyframes breathe { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.3); opacity: 0.7; } }

        .panel-content { padding: 12px; display: flex; flex-direction: column; gap: 8px; }
        textarea { 
            width: 100%; height: 90px; font-size: 12px; padding: 8px; 
            border: 1px solid #ddd; border-radius: 6px; resize: none; 
            box-sizing: border-box; outline: none; transition: background 0.3s;
        }
        textarea:disabled, input:disabled { background: #f5f5f5; color: #aaa; cursor: not-allowed; border-color: #eee; }

        .control-row { display: flex; justify-content: space-between; align-items: center; font-size: 12px; margin-bottom: 2px; }
        input[type="number"] { width: 50px; padding: 3px; border: 1px solid #ddd; border-radius: 4px; text-align: center; }

        button { border: none; border-radius: 6px; cursor: pointer; font-weight: bold; width: 100%; transition: all 0.2s; }
        #save-btn { padding: 8px; background: #52c41a; color: white; font-size: 12px; display: none; margin-bottom: 2px; }
        #save-btn.show { display: block; animation: slideDown 0.3s ease; }
        #start-btn { padding: 10px; background: #1890ff; color: white; }
        #start-btn.running { background: #ff4d4f; }
        
        @keyframes slideDown { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }
        .header-btns button { background: none; color: #888; font-size: 18px; padding: 0 4px; width: auto; }
    `);

    const panel = document.createElement('div');
    panel.id = 'jump-panel';
    document.body.appendChild(panel);

    const updatePosition = (useAnimation = true) => {
        panel.style.transition = useAnimation ? "" : "none";
        const targetPos = state.isMinimized ? state.minimizedPos : state.expandedPos;
        panel.style.right = targetPos.x + 'px';
        panel.style.bottom = targetPos.y + 'px';
    };

    const render = () => {
        panel.style.display = state.isHidden ? 'none' : 'flex';
        panel.style.opacity = state.isHidden ? '0' : '1';
        updatePosition(true);
        
        if (state.isMinimized) {
            panel.classList.add('minimized');
            panel.innerHTML = `
                <div class="status-container">
                    <div class="run-dot ${state.isRunning ? 'active' : ''}"></div>
                    <div class="status-text ${state.isRunning ? 'active' : ''}">${state.isRunning ? 'RUN' : 'OFF'}</div>
                </div>
            `;
        } else {
            panel.classList.remove('minimized');
            const isDisabled = state.isRunning ? 'disabled' : '';
            panel.innerHTML = `
                <div class="panel-header" id="panel-drag-handle">
                    <div class="panel-title">
                        <div class="run-dot ${state.isRunning ? 'active' : ''}"></div>
                        <span>页面跳转器</span>
                    </div>
                    <div class="header-btns">
                        <button id="min-btn" title="最小化 (Alt+M)">–</button>
                        <button id="hide-btn" title="隐藏 (Alt+R)">✕</button>
                    </div>
                </div>
                <div class="panel-content">
                    <div class="control-row">
                        <span>间隔 (秒): <input type="number" id="time-input" value="${state.interval}" ${isDisabled}></span>
                    </div>
                    <textarea id="url-list" placeholder="每行输入一个网址" ${isDisabled}>${state.urls.join('\n')}</textarea>
                    <button id="save-btn">保存修改</button>
                    <button id="start-btn" class="${state.isRunning ? 'running' : ''}">${state.isRunning ? '停止跳转' : '开始运行'}</button>
                </div>
            `;
        }
        bindEvents();
    };

    function executeJump() {
        if (!state.isRunning || state.urls.length === 0) return;
        let nextIndex = (state.currentIndex + 1) % state.urls.length;
        GM_setValue('current_index', nextIndex);
        window.location.href = state.urls[nextIndex];
    }

    function bindEvents() {
        if (state.isMinimized) {
            panel.onclick = (e) => {
                if (!panel.hasAttribute('dragging')) toggleMin();
                panel.removeAttribute('dragging');
            };
        } else {
            panel.onclick = null; 
            const urlTextarea = document.getElementById('url-list');
            const saveBtn = document.getElementById('save-btn');
            const startBtn = document.getElementById('start-btn');
            const timeInput = document.getElementById('time-input');

            if (!state.isRunning) {
                urlTextarea.oninput = () => {
                    saveBtn.classList.toggle('show', urlTextarea.value.trim() !== state.urls.join('\n').trim());
                };
                saveBtn.onclick = () => {
                    state.urls = urlTextarea.value.split('\n').filter(u => u.trim() !== '');
                    GM_setValue('cycle_urls', state.urls);
                    saveBtn.classList.remove('show');
                };
                timeInput.onchange = (e) => {
                    state.interval = parseInt(e.target.value) || 30;
                    GM_setValue('cycle_interval', state.interval);
                };
            }

            startBtn.onclick = () => {
                if (!state.isRunning) {
                    const currentUrls = urlTextarea.value.split('\n').filter(u => u.trim() !== '');
                    if (currentUrls.length === 0) return alert("请先输入网址！");
                    state.urls = currentUrls;
                    state.interval = parseInt(timeInput.value) || 30;
                    state.isRunning = true;
                    state.isMinimized = true;
                } else {
                    state.isRunning = false;
                    if (state.timer) clearTimeout(state.timer);
                }
                GM_setValue('is_running', state.isRunning);
                GM_setValue('cycle_urls', state.urls);
                GM_setValue('cycle_interval', state.interval);
                GM_setValue('is_minimized', state.isMinimized);
                render();
                if (state.isRunning) setTimeout(executeJump, 300);
            };

            document.getElementById('min-btn').onclick = (e) => { e.stopPropagation(); toggleMin(); };
            document.getElementById('hide-btn').onclick = (e) => { e.stopPropagation(); toggleHide(); };
        }
        
        // 拖拽逻辑
        const dragHandle = state.isMinimized ? panel : document.getElementById('panel-drag-handle');
        if (dragHandle) {
            dragHandle.onmousedown = function(e) {
                if (['BUTTON', 'TEXTAREA', 'INPUT'].includes(e.target.tagName)) return;
                let isMove = false;
                const startX = e.clientX, startY = e.clientY;
                const initialRight = state.isMinimized ? state.minimizedPos.x : state.expandedPos.x;
                const initialBottom = state.isMinimized ? state.minimizedPos.y : state.expandedPos.y;
                panel.style.transition = "none";
                document.onmousemove = function(ev) {
                    if (Math.abs(ev.clientX - startX) > 5 || Math.abs(ev.clientY - startY) > 5) {
                        isMove = true;
                        panel.style.right = (initialRight + (startX - ev.clientX)) + 'px';
                        panel.style.bottom = (initialBottom + (startY - ev.clientY)) + 'px';
                    }
                };
                document.onmouseup = function(ev) {
                    document.onmousemove = document.onmouseup = null;
                    panel.style.transition = "";
                    if (isMove) {
                        panel.setAttribute('dragging', 'true');
                        const finalPos = { x: initialRight + (startX - ev.clientX), y: initialBottom + (startY - ev.clientY) };
                        if (state.isMinimized) state.minimizedPos = finalPos; else state.expandedPos = finalPos;
                        GM_setValue(state.isMinimized ? 'minimized_pos' : 'expanded_pos', finalPos);
                    }
                };
            };
        }
    }

    function toggleMin() {
        state.isMinimized = !state.isMinimized;
        GM_setValue('is_minimized', state.isMinimized);
        render();
    }

    function toggleHide() {
        state.isHidden = !state.isHidden;
        render();
    }

    // --- 快捷键监听 ---
    window.addEventListener('keydown', (e) => {
        // Alt + M: 最小化/展开
        if (e.altKey && e.code === 'KeyM') {
            e.preventDefault();
            toggleMin();
        }
        // Alt + R: 隐藏/显示
        if (e.altKey && e.code === 'KeyR') {
            e.preventDefault();
            toggleHide();
        }
    });

    // 初始化
    render();
    if (state.isRunning) {
        state.timer = setTimeout(executeJump, state.interval * 1000);
    }
})();