import { build } from 'esbuild';
import { spawn } from 'node:child_process';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import fs from 'node:fs';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const root = path.resolve(__dirname, '..');

async function buildMain() {
  await build({
    entryPoints: [path.join(root, 'app/main/index.ts')],
    bundle: true,
    platform: 'node',
    format: 'cjs',
    outfile: path.join(root, 'dist/main/index.cjs'),
    external: ['electron'],
    sourcemap: true,
  });
  await build({
    entryPoints: [path.join(root, 'app/preload/index.ts')],
    bundle: true,
    platform: 'node',
    format: 'cjs',
    outfile: path.join(root, 'dist/preload/index.cjs'),
    external: ['electron'],
    sourcemap: true,
  });
}

function electronPath() {
  const name = process.platform === 'win32' ? 'electron.cmd' : 'electron';
  const bin = path.join(root, 'node_modules', '.bin', name);
  if (fs.existsSync(bin)) return bin;
  return path.join(root, 'node_modules', 'electron', 'cli.js');
}

await buildMain();

const vite = spawn(
  process.platform === 'win32' ? 'npx.cmd' : 'npx',
  ['vite', '--config', 'vite.config.ts'],
  { cwd: root, stdio: 'inherit', shell: true },
);

await new Promise((r) => setTimeout(r, 2000));

const elec = spawn(electronPath(), ['.'], {
  cwd: root,
  stdio: 'inherit',
  shell: true,
  env: { ...process.env, VITE_DEV_SERVER_URL: 'http://localhost:5174' },
});

elec.on('exit', (code) => {
  vite.kill();
  process.exit(code ?? 0);
});