const { app, BrowserWindow, ipcMain, dialog } = require('electron');
const path = require('path');
const fs = require('fs');
const exec = require('child_process').exec;
const spawn = require('child_process').spawn;

const version = require('./package.json').version;

//TODO: Search for update

const axios = require('axios');

async function getLatestRelease() {
  try {
    const https = require('https');

    return new Promise((resolve, reject) => {
      https.get('https://codefirst.iut.uca.fr/git/api/v1/repos/mathis.chirat/Wallify/releases?pre-release=true&limit=1&access_token=043f410b985c5dc4b58f49c80661a4b90afe638b', (res) => {
        let data = '';

        res.on('data', (chunk) => {
          data += chunk;
        });

        res.on('end', () => {
          try {
            resolve(JSON.parse(data));
          } catch (error) {
            reject(error);
          }
        });

      }).on('error', (error) => {
        reject(error);
      });
    });
  } catch (error) {
    if (error.response && error.response.status === 502) {
      console.error('Error fetching JSON data: AxiosError: Request failed with status code 502');
    } else {
      console.error('Error fetching JSON data:', error);
    }
    return null;
  }
}

getLatestRelease().then(latestRelease => {
  if(latestRelease && latestRelease[0].tag_name != version) {
    console.log('New version available:', latestRelease[0].tag_name);
    console.log('Cuurent version:', version);
    dialog.showMessageBox({
      type: 'info',
      title: 'New version available',
      message: 'A new version of Wallify is available. Do you want to download it now?',
      buttons: ['Yes', 'No'],
      defaultId: 0,
      cancelId: 1
    }).then(result => {
      if (result.response === 0) { // If 'Yes' is clicked
        const newAppImagePath = '/home/UCA/machirat1/public/Wallify/Wallify.AppImage';

        exec(`cp ${newAppImagePath} ${path.join(__dirname, 'Wallify.AppImage')}`, (error, stdout, stderr) => {
          if (error) {
            console.error('Error copying the new version:', error);
          } else {
            console.log('New version copied successfully.');
          }
        });
      }
    });
  }
}).catch(error => {
  console.error('Error fetching JSON data:', error);
});

//Setup Wallify config folder
if(!fs.existsSync(app.getPath('userData'))) {
  console.log('Creating user data directory...');
  fs.mkdirSync(app.getPath('userData'), { recursive: true }, (err) => {
    if (err) {
      console.error('Error creating user data directory:', err);
      process.exit(1);
    }
  });
}

// Set wallpaper directory
const wallpaperDir = path.join(app.getPath('userData'), 'wallpapers');

// Create wallpaper directory if it doesn't exist
if (!fs.existsSync(wallpaperDir)) {
  console.log('Creating wallpaper directory...');
  fs.mkdirSync(wallpaperDir);
}


// Create start.sh file
const startFile = path.join(app.getPath('userData'), 'start.sh');
if (!fs.existsSync(startFile)) {
  console.log('Creating start.sh file...');
  const user = require('os').userInfo().username;
  fs.writeFileSync(startFile, `#!/bin/sh\n\nsleep 2\nWALLPAPER_FILE=\"$(cat /home/UCA/${user}/.config/Wallify/wallpaper.conf`+" | sed 's/WALLPAPER_FILE=//g')\"\n/home/UCA/machirat1/public/WallPaper/wallify -ni -fs -s -sp -st -b -nf -- mpv -wid WID --loop --no-audio ${WALLPAPER_FILE} &", { mode: 0o755 });
  exec(`chmod +x ${startFile}`, (error, stdout, stderr) => {
    if (error) {
      console.error(`Error applying execute permission to start.sh: ${error}`);
    }
  });
}

// Create autostartup file
const autostartupFile = path.join(app.getPath('home'), '.config', 'autostart', 'wallify.desktop');
if (!fs.existsSync(autostartupFile)) {
  console.log('Creating autostartup file...');
  const user = require('os').userInfo().username;
  fs.writeFileSync(autostartupFile, `[Desktop Entry]
Type=Application
Version=1.0
Name=Wallify
Comment=Wallify
Exec=/home/UCA/${user}/.config/Wallify/start.sh
`, { mode: 0o755 });
}

// Create wallpaper.conf file
const configFile = path.join(app.getPath('userData'), 'wallpaper.conf');
if(!fs.existsSync(configFile)) {
  console.log('Creating wallpaper.conf file...');
  fs.writeFileSync(configFile, '');
}


// Create main window
let mainWindow;

function createWindow() {
  mainWindow = new BrowserWindow({
    width: 800,
    height: 600,
    webPreferences: {
      nodeIntegration: true,
      contextIsolation: false,
    },
    icon: __dirname + '/Wallify.png'
  });

  mainWindow.setAutoHideMenuBar(true);
  mainWindow.setMenuBarVisibility(false);
  //mainWindow.setMenu(null);

  mainWindow.loadURL(`file://${__dirname}/index.html`);

  // Handle wallpaper apply command
  ipcMain.on('apply-wallpaper', (event, wallpaperPath) => {
    applyWallpaper(wallpaperPath);
  });

  // Handle show dialog command
  ipcMain.on('show-dialog', (event) => {
    dialog.showOpenDialog({
      title: 'Select a wallpaper file',
      filters: [
        { name: 'Wallpaper files', extensions: ['gif', 'mp4'] }
      ],
      properties: ['openFile']
    }).then((result) => {
      if (result.filePaths.length > 0) {
        event.sender.send('dialog-response', result.filePaths[0]);
      } else {
        event.sender.send('dialog-response', null);
      }
    });
  });
}

// Apply wallpaper using command
function applyWallpaper(wallpaperPath) {
  const command = `gsettings set org.gnome.desktop.background picture-uri 'file://${wallpaperPath}'`;
  exec(command, (error, stdout, stderr) => {
    if (error) {
      console.error(`Error applying wallpaper: ${error}`);
    } else {
      console.log(`Wallpaper applied successfully`);
    }
  });
}

// Create window on app ready
app.on('ready', createWindow);

// Quit app on window close
app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') {
    app.quit();
  }
});

// Open window on app activate (MacOS)
app.on('activate', () => {
  if (mainWindow === null) {
    createWindow();
  }
});