// electron/test.js - ESM 模块版本
// Monkey Testing 和开发工具模块

import { writeLog } from '../src/log/log-writer.js';
import { BrowserWindow, ipcMain, Menu, globalShortcut } from 'electron';
import { fileURLToPath } from 'url';
import { dirname, join } from 'path';

// 工具函数:安全的 JSON 序列化
function safeStringify(obj) {
  const cache = new Set();
  return JSON.stringify(obj, (key, value) => {
    if (typeof value === 'object' && value !== null) {
      if (cache.has(value)) {
        return '[Circular]';
      }
      cache.add(value);
    }
    return value;
  });
}

// -------------- 命令行参数解析 --------------
/**
 * 解析命令行参数
 * @returns {Object} 解析后的选项
 */
export function parseCommandLineArgs() {
  const args = process.argv;

  return {
    enableMonkeyTesting: args.includes('--enable-monkey-testing'),
    enableDevMenu: args.includes('--enable-dev-menu'),
    enableDevTools: args.includes('--enable-dev-tools')
  };
}

// -------------- Monkey Testing 功能类 --------------
/**
 * Monkey Testing 测试器
 * 用于模拟随机的用户操作,进行压力测试
 */
export class MonkeyTester {
  /**
   * 创建 MonkeyTester 实例
   * @param {BrowserWindow} win - Electron 窗口实例
   * @param {boolean} isMac - 是否为macOS平台
   * @param {BrowserWindow} mainWindow - 主窗口实例
   */
  constructor(win, isMac = false, mainWindow = null) {
    this.win = win;
    this.isMac = isMac;
    this.mainWindow = mainWindow;
    this.active = false;
    this.interval = null;
    this.originalMenu = null; // 保存原始菜单
  }

  /**
   * 获取随机位置(在窗口内容区域内)
   * @returns {Object} {x, y} 坐标
   */
  getRandomPosition() {
    const bounds = this.win.getContentBounds();
    const margin = 5; // 安全边距,避免点击到窗口边缘

    return {
      x: Math.floor(Math.random() * (bounds.width - 2 * margin)) + margin,
      y: Math.floor(Math.random() * (bounds.height - 2 * margin)) + margin
    };
  }

  /**
   * 移动鼠标到指定位置
   */
  moveMouseTo(x, y) {
    if (this.win && !this.win.isDestroyed()) {
      this.win.webContents.sendInputEvent({
        type: 'mouseMove',
        x: x,
        y: y
      });
    }
  }

  /**
   * 模拟点击操作
   */
  performClick(x, y, button = 'left') {
    if (this.win && !this.win.isDestroyed()) {
      // 鼠标按下
      this.win.webContents.sendInputEvent({
        type: 'mouseDown',
        x: x,
        y: y,
        button: button
      });

      // 短暂延迟后释放
      setTimeout(() => {
        if (this.win && !this.win.isDestroyed()) {
          this.win.webContents.sendInputEvent({
            type: 'mouseUp',
            x: x,
            y: y,
            button: button
          });
        }
      }, 50);
    }
  }

  /**
   * 模拟键盘输入
   */
  simulateKeyPress(key) {
    if (this.win && !this.win.isDestroyed()) {
      this.win.webContents.sendInputEvent({
        type: 'keyDown',
        keyCode: key
      });

      setTimeout(() => {
        if (this.win && !this.win.isDestroyed()) {
          this.win.webContents.sendInputEvent({
            type: 'keyUp',
            keyCode: key
          });
        }
      }, 50);
    }
  }

  /**
   * 执行随机操作
   */
  performRandomOperation() {
    if (!this.win || this.win.isDestroyed()) return;

    const operations = ['move', 'click', 'doubleClick', 'rightClick', 'keyPress'];
    const operation = operations[Math.floor(Math.random() * operations.length)];
    const pos = this.getRandomPosition();

    switch (operation) {
      case 'move':
        this.moveMouseTo(pos.x, pos.y);
        break;
      case 'click':
        this.performClick(pos.x, pos.y);
        break;
      case 'doubleClick':
        this.performClick(pos.x, pos.y);
        this.performClick(pos.x, pos.y);
        break;
      case 'rightClick':
        this.performClick(pos.x, pos.y, 'right');
        break;
      case 'keyPress':
        const keys = ['a', 'b', 'c', 'Enter', 'Space', 'Tab'];
        const key = keys[Math.floor(Math.random() * keys.length)];
        this.simulateKeyPress(key);
        break;
    }
  }

  /**
   * 启动 Monkey Testing
   * @param {Object} options - 配置选项
   * @param {number} options.interval - 操作间隔(ms)
   * @param {number} options.duration - 持续时间(ms)
   * @param {number} options.maxOperations - 最大操作次数
   */
  start(options = {}) {
    if (this.active) return;

    const { interval = 100, duration = 2147483646, maxOperations = 600000 } = options;

    this.active = true;
    let operationCount = 0;

    writeLog('info', `启动monkey testing: 间隔${interval}ms, 持续${duration}ms, 最大操作${maxOperations}次`);

    // 保存原始菜单并隐藏菜单
    this.originalMenu = Menu.getApplicationMenu();
    Menu.setApplicationMenu(null);
    writeLog('info', '菜单已隐藏，测试期间不可见');

    // 注册全局快捷键 Ctrl+Alt+M 来显示菜单
    globalShortcut.register('CommandOrControl+Alt+M', () => {
      if (this.originalMenu) {
        Menu.setApplicationMenu(this.originalMenu);
        writeLog('info', '菜单已通过快捷键显示');

        // 5秒后自动隐藏菜单
        setTimeout(() => {
          if (this.active) {
            Menu.setApplicationMenu(null);
            writeLog('info', '菜单已自动隐藏');
          }
        }, 5000);
      }
    });
    writeLog('info', '全局快捷键 Ctrl+Alt+M 已注册，可用于临时显示菜单');

    this.interval = setInterval(() => {
      if (!this.active || operationCount >= maxOperations) {
        this.stop();
        return;
      }

      this.performRandomOperation();
      operationCount++;
    }, interval);

    // 超时自动停止
    setTimeout(() => {
      this.stop();
    }, duration);
  }

  /**
   * 停止 Monkey Testing
   */
  stop() {
    if (!this.active) return;

    this.active = false;
    if (this.interval) {
      clearInterval(this.interval);
      this.interval = null;
    }

    // 恢复菜单
    if (this.originalMenu) {
      Menu.setApplicationMenu(this.originalMenu);
      this.originalMenu = null;
      writeLog('info', '菜单已恢复显示');
    }

    // 注销全局快捷键
    globalShortcut.unregister('CommandOrControl+Alt+M');
    writeLog('info', '全局快捷键已注销');

    writeLog('info', '停止monkey testing');
  }

  /**
   * 检查是否正在运行
   */
  isActive() {
    return this.active;
  }
}

/**
 * 输出调试信息
 * @param {Object} options - 解析后的命令行选项
 */
export function logDebugInfo(options) {
  writeLog('log', '=== Electron Debug Info ===');
  writeLog('log', `Command line args: ${safeStringify(process.argv)}`);
  writeLog('log', `Parsed options: ${safeStringify(options)}`);
  writeLog('log', '===========================');
}

/**
 * 显示Monkey Test参数输入对话框
 * @param {BrowserWindow} mainWindow - 主窗口实例
 */
export function showMonkeyInputDialog(mainWindow) {
  const __filename = fileURLToPath(import.meta.url);
  const __dirname = dirname(__filename);

  const inputWindow = new BrowserWindow({
    width: 400,
    height: 300,
    parent: mainWindow,
    modal: true,
    show: false,
    webPreferences: {
      nodeIntegration: true, // 允许输入窗口使用 require
      contextIsolation: false
    },
    resizable: false,
    title: 'Monkey Test Parameters'
  });

  const htmlContent = `
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Monkey Test Parameters</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      padding: 20px;
      background-color: #f5f5f5;
    }
    .form-group {
      margin-bottom: 15px;
    }
    label {
      display: block;
      margin-bottom: 5px;
      font-weight: bold;
    }
    input {
      width: 100%;
      padding: 8px;
      border: 1px solid #ccc;
      border-radius: 4px;
      box-sizing: border-box;
    }
    .buttons {
      text-align: right;
      margin-top: 20px;
    }
    button {
      padding: 8px 16px;
      margin-left: 10px;
      border: none;
      border-radius: 4px;
      cursor: pointer;
    }
    .start-btn {
      background-color: #007bff;
      color: white;
    }
    .cancel-btn {
      background-color: #6c757d;
      color: white;
    }
  </style>
</head>
<body>
  <h3>Monkey Test Parameters</h3>
  <form id="monkeyForm">
    <div class="form-group">
      <label for="interval">Interval (ms):</label>
      <input type="number" id="interval" value="100" min="10" required>
    </div>
    <div class="form-group">
      <label for="duration">Duration (ms):</label>
      <input type="number" id="duration" value="2147483646" min="1000" required>
    </div>
    <div class="form-group">
      <label for="maxOperations">Max Operations:</label>
      <input type="number" id="maxOperations" value="600000" min="1" required>
    </div>
    <div class="buttons">
      <button type="button" class="cancel-btn" onclick="window.close()">Cancel</button>
      <button type="submit" class="start-btn">Start Test</button>
    </div>
  </form>

  <script>
    const { ipcRenderer } = require('electron');

    document.getElementById('monkeyForm').addEventListener('submit', (e) => {
      e.preventDefault();
      
      const interval = parseInt(document.getElementById('interval').value);
      const duration = parseInt(document.getElementById('duration').value);
      const maxOperations = parseInt(document.getElementById('maxOperations').value);
      
      ipcRenderer.send('start-monkey-test', { interval, duration, maxOperations });
      window.close();
    });
  </script>
</body>
</html>
  `;

  inputWindow.loadURL(`data:text/html;charset=utf-8,${encodeURIComponent(htmlContent)}`);

  inputWindow.once('ready-to-show', () => {
    inputWindow.show();
  });

  inputWindow.on('closed', () => {
    // 清理引用
  });
}

/**
 * 创建开发者菜单模板
 * @param {boolean} isMac - 是否为macOS平台
 * @param {BrowserWindow} mainWindow - 主窗口实例
 * @returns {Array} 菜单模板数组
 */
export function createDevMenuTemplate(isMac, mainWindow) {
  return [
    ...(isMac ? [{
      label: 'Electron',
      submenu: [
        { role: 'about' },
        { type: 'separator' },
        { role: 'services' },
        { type: 'separator' },
        { role: 'hide' },
        { role: 'hideOthers' },
        { role: 'unhide' },
        { type: 'separator' },
        { role: 'quit' }
      ]
    }] : []),
    {
      label: 'File',
      submenu: [
        isMac ? { role: 'close' } : { role: 'quit' }
      ]
    },
    {
      label: 'Edit',
      submenu: [
        { role: 'undo' },
        { role: 'redo' },
        { type: 'separator' },
        { role: 'cut' },
        { role: 'copy' },
        { role: 'paste' },
        ...(isMac ? [
          { role: 'pasteAndMatchStyle' },
          { role: 'delete' },
          { role: 'selectAll' },
          { type: 'separator' },
          {
            label: 'Speech',
            submenu: [
              { role: 'startSpeaking' },
              { role: 'stopSpeaking' }
            ]
          }
        ] : [
          { role: 'delete' },
          { type: 'separator' },
          { role: 'selectAll' }
        ])
      ]
    },
    {
      label: 'View',
      submenu: [
        { role: 'reload' },
        { role: 'forceReload' },
        { role: 'toggleDevTools' },
        { type: 'separator' },
        { role: 'resetZoom' },
        { role: 'zoomIn' },
        { role: 'zoomOut' },
        { type: 'separator' },
        { role: 'togglefullscreen' },
        { type: 'separator' },
        { label: 'Start Monkey Test', click: () => showMonkeyInputDialog(mainWindow) }
      ]
    },
    {
      label: 'Window',
      submenu: [
        { role: 'minimize' },
        { role: 'close' },
        ...(isMac ? [
          { type: 'separator' },
          { role: 'front' },
          { type: 'separator' },
          { role: 'window' }
        ] : [
          { role: 'close' }
        ])
      ]
    },
    ...(isMac ? [{
      role: 'help',
      submenu: [
        {
          label: 'Learn More',
          click: async () => {
            const { shell } = require('electron');
            await shell.openExternal('https://electronjs.org');
          }
        }
      ]
    }] : [])
  ];
}

// 导出便捷函数:创建 MonkeyTester 实例
export function createMonkeyTester(win) {
  return new MonkeyTester(win);
}