import { app, BrowserWindow, Menu, desktopCapturer, ipcMain, safeStorage } from 'electron';
import { ipcMainHandle, ipcMainOn, isDev } from './util.js';
import { getStaticData, pollResources } from './resourceManager.js';
import { getPreloadPath, getUIPath } from './pathResolver.js';
import { createTray } from './tray.js';
import { createMenu } from './menu.js';
import Store from 'electron-store';

import * as fs from "fs";
import path from "path";
import axios from 'axios';
import sharp from 'sharp';

app.on('ready', async () => {
  console.log("ready")
  const mainWindow = new BrowserWindow({
    webPreferences: {
      preload: getPreloadPath(),
    },
    // disables default system frame (dont do this if you want a proper working menu bar)
    frame: process.platform === 'darwin' ? false : true,
    autoHideMenuBar: true
  });


  if (isDev()) {
    mainWindow.loadURL('http://localhost:5123');
    mainWindow.webContents.openDevTools();
  } else {
    mainWindow.loadFile(getUIPath());
  }

  pollResources(mainWindow);

  ipcMainHandle('getStaticData', () => {
    return getStaticData();
  });

  ipcMainOn('sendFrameAction', (payload) => {
    switch (payload) {
      case 'CLOSE':
        mainWindow.close();
        break;
      case 'MAXIMIZE':
        mainWindow.maximize();
        break;
      case 'MINIMIZE':
        mainWindow.minimize();
        break;
    }
  });

  // createTray(mainWindow);
  handleCloseEvents(mainWindow);
  // createMenu(mainWindow);
  // await takeScreenshot();
});

// Blur using an offscreen canvas
async function blurAndCompressBase64Image(base64: string) : Promise<Buffer> {
  const buffer = Buffer.from(base64.replace(/^data:image\/\w+;base64,/, ''), 'base64');
  const outputBuffer = await sharp(buffer)
    .blur(8)       // adjust blur radius here
    .jpeg({ quality: 70 }) // compress output
    .toBuffer();
  return outputBuffer;
}

async function takeScreenshot() {
  // const sources = await desktopCapturer.getSources({ types: ["screen"] });
  const sources = await desktopCapturer.getSources({
    types: ['window'], thumbnailSize: {
      height: 768,
      width: 1366
    }
  });


  // Capture the first screen (you can choose others by filtering sources)
  const screen = sources[0];
  let image = screen.thumbnail.toDataURL();
  console.log("blurAndCompressBase64Image Calling")

  const blurredBuffer = await blurAndCompressBase64Image(image);

  const folderPath = "C:\\Users\\Public\\vatracker\\screenshots";

  // Ensure directory exists
  if (!fs.existsSync(folderPath)) {
    fs.mkdirSync(folderPath, { recursive: true });
  }

  const filePath = path.join(folderPath, `screenshot-${Date.now()}.png`);
  fs.writeFileSync(filePath, blurredBuffer);



  console.log(`Screenshot saved at: ${filePath}`);
}

ipcMain.handle('upload-screenshot', async () => {
  takeScreenshot()
})

async function saveToken(accessToken: string, refreshToken: string | null = null) {
  const encryptedAccessToken = safeStorage.encryptString(accessToken);
  let encryptedRefreshToken = null;

  if (refreshToken != null) {
    encryptedRefreshToken = safeStorage.encryptString(refreshToken);
  }
  // Store encrypted token (example: using a file or electron-store)
  // For simplicity, using Electron's built-in localStorage is not available in main, so use electron-store or filesystem.
  // Here assume electron-store is already installed and set up:
  const store = new Store();
  store.set("access_token", encryptedAccessToken.toString('base64'));
  if (encryptedRefreshToken != null) {
    store.set("refresh_token", encryptedRefreshToken.toString('base64'));
  }
}

async function getToken(TOKEN_KEY: string) {
  const store = new Store();
  const encryptedBase64 = store.get(TOKEN_KEY) as string | undefined;
  if (!encryptedBase64) return null;
  const encryptedBuffer = Buffer.from(encryptedBase64, 'base64');
  return safeStorage.decryptString(encryptedBuffer);
}

ipcMain.handle('get-token', async (event, TOKEN_KEY) => {
  // return decrypted token from secure storage
  return await getToken(TOKEN_KEY);
});

ipcMain.handle('save-token', async (event, token) => {
  await saveToken(token);
  return true;
});

// Handle login request from renderer
ipcMain.handle('login-request', async (event, credentials: { email: string, password: string }) => {
  try {
    // Call your login API
    console.log("🟡 login Request received", credentials);

    try {
      console.log("➡️ Calling API...");
      const response = await axios.post(
        'https://wired-terminally-muskrat.ngrok-free.app/api/v1/va/login',
        { userDetails: { ...credentials } },
        { headers: { "ngrok-skip-browser-warning": 69420 } }
      );

      const { accessToken, refreshToken } = response.data;
      await saveToken(accessToken, refreshToken);
      return { success: true, user: response.data.user };

    } catch (error) {
      if (error instanceof Error) {
        if ("response" in error && typeof (error.response) == "object" && error.response !== null && ("data" in error.response)) {
          console.log("❌ login API call failed:", error?.response.data);
          console.log("Server responded:", error?.response.data);
          return { success: false, error: error?.response.data || "Request failed" };
        } else {
          return { success: false, error: error?.message || "Check you Internet connection and try again" };
        }
      }
    }

  } catch (err) {
    if (err instanceof Error) {
      return { success: false, error: err.message };
    }

    if (typeof err === "object" && err !== null && "response" in err) {
      const axiosErr = err as any;
      return { success: false, error: axiosErr.response?.data?.message || "Unknown error" };
    }

    return { success: false, error: "Unexpected error occurred" };
  }
});


function handleCloseEvents(mainWindow: BrowserWindow) {
  let willClose = false;

  mainWindow.on('close', (e) => {
    if (willClose) {
      return;
    }
    e.preventDefault();
    mainWindow.hide();
    if (app.dock) {
      app.dock.hide();
    }
  });

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

  mainWindow.on('show', () => {
    willClose = false;
  });
}