const { app, BrowserWindow, ipcMain, Menu } = require("electron");
const path = require("path");
const { spawn } = require("child_process");
const fs = require("fs");

app.disableHardwareAcceleration(); // 高 DPI 缩放修复

// 音效播放器
function playAudioFile(filePath) {
  if (process.platform === "win32") {
    spawn("cmd", ["/c", `start "" "${filePath}"`]);
  } else if (process.platform === "darwin") {
    spawn("afplay", [filePath]);
  } else {
    spawn("aplay", [filePath]);
  }
}

ipcMain.on("play-sound", (_, soundFile) => {
  let soundPath;

  // 判断是开发环境还是生产环境
  if (process.env.NODE_ENV === "development") {
    // 在开发模式下，直接指向 renderer/public 里的文件
    soundPath = path.join(
      __dirname,
      "../renderer/public/assets/sounds",
      soundFile
    );
  } else {
    // 在生产模式下，Vite 会把 public 里的文件复制到 dist 文件夹
    soundPath = path.join(
      __dirname,
      "../renderer/dist/assets/sounds",
      soundFile
    );
  }

  console.log("Main process trying to play sound at path:", soundPath);

  if (require("fs").existsSync(soundPath)) {
    playAudioFile(soundPath);
  } else {
    console.error("Sound file not found:", soundPath);
  }
});

ipcMain.handle("get-sound-path", (_, soundFile) => {
  let soundPath;

  if (process.env.NODE_ENV === "development") {
    soundPath = path.join(
      __dirname,
      "../renderer/public/assets/sounds",
      soundFile
    );
  } else {
    soundPath = path.join(
      __dirname,
      "../renderer/dist/assets/sounds",
      soundFile
    );
  }

  if (require("fs").existsSync(soundPath)) {
    // 返回一个可供 web 环境使用的 file 协议 URL
    return `file://${soundPath}`;
  } else {
    console.error("Sound file not found:", soundPath);
    return null;
  }
});

ipcMain.handle("get-sound-files", async () => {
  const soundDir =
    process.env.NODE_ENV === "development"
      ? path.join(__dirname, "../renderer/public/assets/sounds")
      : path.join(__dirname, "../renderer/dist/assets/sounds");

  try {
    // 读取目录下的所有文件名
    const files = await fs.promises.readdir(soundDir);
    // 筛选出 .mp3 文件并返回
    return files.filter((file) => file.endsWith(".mp3"));
  } catch (error) {
    console.error("无法读取声音目录:", error);
    return []; // 如果出错则返回空数组
  }
});

ipcMain.on("show-context-menu", () => {
  const template = [
    {
      label: "置顶显示",
      type: "checkbox",
      checked: isAlwaysOnTop, // 菜单项的选中状态与变量同步
      click: () => {
        isAlwaysOnTop = !isAlwaysOnTop; // 点击时切换状态
        mainWindow.setAlwaysOnTop(isAlwaysOnTop); // 并应用到窗口
      },
    },
    { type: "separator" }, // 分隔线
    {
      label: "退出",
      click: () => {
        app.quit(); // 点击时退出应用
      },
    },
  ];
  const menu = Menu.buildFromTemplate(template);
  menu.popup({ window: mainWindow }); // 在主窗口上弹出菜单
});

let isAlwaysOnTop = true;
let mainWindow;

function createWindow() {
  mainWindow = new BrowserWindow({
    width: 200,
    height: 200,
    transparent: true, // 开启透明窗口
    frame: false, // 无边框窗口
    resizable: false, // 禁止调整大小
    title: "说的道理桌宠",
    alwaysOnTop: isAlwaysOnTop, // 窗口始终在最上层
    icon: path.join(__dirname, "../build/icon.png"),
    webPreferences: {
      preload: path.join(__dirname, "preload.js"),
      contextIsolation: true,
      webSecurity: false,
    },
  });

  // 当渲染进程传来这个事件时，就移动窗口
  ipcMain.on("move-window", (event, { x, y }) => {
    // 使用 Math.round 避免非整数坐标可能带来的问题
    mainWindow.setPosition(Math.round(x), Math.round(y), false);
  });

  // 添加一个 handle，用于响应前端获取窗口位置的请求
  ipcMain.handle("get-window-position", () => {
    if (mainWindow) {
      const [x, y] = mainWindow.getPosition();
      return { x, y };
    }
    return { x: 0, y: 0 };
  });

  if (process.env.NODE_ENV === "development") {
    mainWindow.loadURL("http://localhost:5173");
  } else {
    mainWindow.loadFile(path.join(__dirname, "../renderer/dist/index.html"));
  }
}

app.whenReady().then(createWindow);