import fs from 'fs';
import path from 'path';
import axios from 'axios';
import { execa } from 'execa';

// Configuration logging
const logConfiguration = () => {
  console.log('Welcome to use pake-cli to build app');
  console.log('Node.js info in your localhost:', process.version);
  console.log('\n=======================\n');
  console.log('Pake parameters:');
  console.log('url:', process.env.URL);
  console.log('name:', process.env.NAME);
  console.log('icon:', process.env.ICON);
  console.log('height:', process.env.HEIGHT);
  console.log('width:', process.env.WIDTH);
  console.log('fullscreen:', process.env.FULLSCREEN);
  console.log('hide-title-bar:', process.env.HIDE_TITLE_BAR);
  console.log('is multi arch? only for Mac:', process.env.MULTI_ARCH);
  console.log('targets type? only for Linux:', process.env.TARGETS);
  console.log('===========================\n');
};

// Build parameters construction
const buildParameters = () => {
  const params = ['cli.js', process.env.URL, '--name', process.env.NAME, '--height', process.env.HEIGHT, '--width', process.env.WIDTH];

  if (process.env.HIDE_TITLE_BAR === 'true') {
    params.push('--hide-title-bar');
  }

  if (process.env.FULLSCREEN === 'true') {
    params.push('--fullscreen');
  }

  if (process.env.MULTI_ARCH === 'true') {
    // We'll handle rustup separately since it's a different command
    params.push('--multi-arch');
  }

  if (process.env.TARGETS) {
    params.push('--targets', process.env.TARGETS);
  }

  if (process.platform === 'win32' || process.platform === 'linux') {
    params.push('--show-system-tray');
  }

  return params;
};

// Icon download handling
const downloadIcon = async iconFile => {
  try {
    const response = await axios.get(process.env.ICON, { responseType: 'arraybuffer' });
    fs.writeFileSync(iconFile, response.data);
    return ['--icon', iconFile];
  } catch (error) {
    console.error('Error occurred during icon download:', error);
    throw error;
  }
};

// Get icon file name based on platform
const getIconFileName = () => {
  switch (process.platform) {
    case 'linux':
      return 'icon.png';
    case 'darwin':
      return 'icon.icns';
    case 'win32':
      return 'icon.ico';
    default:
      throw new Error('Unable to detect your OS system');
  }
};

// Main execution
const main = async () => {
  try {
    logConfiguration();

    const cliPath = path.join(process.cwd(), 'node_modules/pake-cli');
    process.chdir(cliPath);

    let params = buildParameters();

    if (process.env.MULTI_ARCH === 'true') {
      await execa('rustup', ['target', 'add', 'aarch64-apple-darwin']);
    }

    if (process.env.ICON && process.env.ICON !== '') {
      const iconFile = getIconFileName();
      const iconParams = await downloadIcon(iconFile);
      params.push(...iconParams);
    } else {
      console.log("Won't download the icon as ICON environment variable is not defined!");
    }

    console.log('Pake parameters:', params.join(' '));
    console.log('Compiling....');

    // Execute the CLI command
    await execa('node', params, { stdio: 'inherit' });

    // Create output directory if it doesn't exist
    if (!fs.existsSync('output')) {
      fs.mkdirSync('output');
    }

    // Move built files to output directory
    const files = fs.readdirSync('.');
    const namePattern = new RegExp(`^${process.env.NAME}\\..*$`);
    for (const file of files) {
      if (namePattern.test(file)) {
        await execa('mv', [file, path.join('output', file)]);
      }
    }

    console.log('Build Success');
    process.chdir('../..');
  } catch (error) {
    console.error('Build failed:', error);
    process.exit(1);
  }
};

main();