import { app, BrowserWindow, globalShortcut, session } from "electron";
import { isDev } from "./util.js";
// import { pollResources } from "./resourceManager.js";
import { getPreloadPath, getUIPath } from "./pathResolver.js";
import { registerIPCHandlers } from "./ipc/ipcHandler.js";

import "./ipc/ipcHandler.js";
import path from "path";
import { fileURLToPath } from "url";

app.setAppUserModelId("com.tracker.app");

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

function resolveIcon() {
  const isDev = !app.isPackaged;

  if (isDev) {
    // DEV mode → use project root path
    return path.join(process.cwd(), "src", "assets", "icons", "appIcon.ico");
  }

  console.log("Line 24", path.join(__dirname, "..", "assets", "icons", "appIcon.ico"))

  // PRODUCTION mode → inside dist-electron
  return path.join(__dirname, "..", "assets", "icons", "appIcon.ico");
}

// ---------------------------
// SINGLE INSTANCE LOCK
// ---------------------------
const gotTheLock = app.requestSingleInstanceLock();

if (!gotTheLock) {
  app.quit();
  process.exit(0);
}

let mainWindow: BrowserWindow | null = null;
let splashWindow: BrowserWindow | null = null;

// ---------------------------
// HANDLE DOUBLE OPEN ATTEMPT
// ---------------------------
app.on("second-instance", () => {
  if (mainWindow) {
    if (mainWindow.isMinimized()) mainWindow.restore();
    mainWindow.show();
    mainWindow.focus();
  }
});

// ---------------------------
// MAIN APP READY
// ---------------------------
app.on("ready", async () => {


  splashWindow = new BrowserWindow({
    width: 300,
    height: 300,
    frame: false,
    transparent: false,
    alwaysOnTop: false,   // splash does NOT need to be on top || Yooo Don't make it onTop
    resizable: false,
    show: true,
    skipTaskbar: true,
    webPreferences: {
      devTools: true,
    }
  });


  splashWindow.loadFile(
    path.join(__dirname, "../assets/splash.html")
  );






  // Create the main window
  const win = new BrowserWindow({
    width: 500,
    height: 600,
    resizable: false,
    fullscreenable: false,
    minimizable: false,
    maximizable: false,
    closable: true,
    alwaysOnTop: true,
    skipTaskbar: true,
    autoHideMenuBar: true,
    frame: process.platform === "darwin" ? false : true,
    show: false, // speed improvement
    icon: resolveIcon(),
    webPreferences: {
      devTools: true,
      preload: getPreloadPath(),
      contextIsolation: true,
      nodeIntegration: false,
    },
  });

  mainWindow = win;

  // ------------------------------------
  // ONLY LOG NETWORK REQUESTS IN DEV
  // ------------------------------------
  if (isDev() && process.env.LOG_REQUESTS === "true") {
    session.defaultSession.webRequest.onBeforeRequest((details, callback) => {
      console.log("🌐 Request:", details.method, details.url);
      callback({ cancel: false });
    });
  }

  // ------------------------------------
  // LOAD FRONTEND
  // ------------------------------------
  if (isDev()) {
    win.loadURL("http://localhost:5123");
    win.webContents.openDevTools(); // Optional (slows startup)
  } else {
    win.loadFile(getUIPath());
  }

  // ------------------------------------
  // SHOW WINDOW WHEN READY (no white flash)
  // ------------------------------------
  win.once("ready-to-show", () => {
    // Delay heavy work to improve startup speed
    setTimeout(() => {
      splashWindow?.close();
      splashWindow = null;

      win.show();
      // pollResources(win);
      registerIPCHandlers(win);
    }, 500);
  });

  // ------------------------------------
  // HANDLE CLOSE EVENTS
  // ------------------------------------
  handleCloseEvents(win);
});


// app.on('browser-window-focus', () => {
//   globalShortcut.register('CommandOrControl+R', () => {
//     // Do nothing; disables reload
//   });
//   globalShortcut.register('F5', () => {
//     // Do nothing; disables reload
//   });
//   globalShortcut.register('CommandOrControl+Shift+I', () => {
//     // Do nothing; disables DevTools
//   });
// });

app.on('browser-window-blur', () => {
  globalShortcut.unregisterAll();
});


// ---------------------------
// CUSTOM CLOSE BEHAVIOR
// ---------------------------
function handleCloseEvents(window: BrowserWindow) {
  let willClose = false;

  window.on("close", (e) => {
    if (willClose) return;

    e.preventDefault();
    window.hide();

    if (app.dock) {
      app.dock.hide();
    }
  });

  app.on("before-quit", () => {
    willClose = true;
  });

  window.on("show", () => {
    willClose = false;
  });
}

// ---------------------------
// GET MAIN WINDOW EXPORT
// ---------------------------
export function getMainWindow() {
  return mainWindow;
}