// About me: Bundles the extension into dist/ as the folder layout Vortex loads:
// a single CommonJS index.js plus info.json and the game artwork. `vortex-api` is
// left external because Vortex provides it to extensions at runtime.
import { mkdirSync, readFileSync, writeFileSync } from 'node:fs';
import { dirname, resolve } from 'node:path';
import { fileURLToPath } from 'node:url';

import * as esbuild from 'esbuild';

import { encodePng, renderGameArt } from '../src/gameart.ts';

const projectRoot = resolve(dirname(fileURLToPath(import.meta.url)), '..');
const distDir = resolve(projectRoot, 'dist');
const pkg = JSON.parse(readFileSync(resolve(projectRoot, 'package.json'), 'utf8'));

mkdirSync(distDir, { recursive: true });

await esbuild.build({
  entryPoints: [resolve(projectRoot, 'src/index.ts')],
  outfile: resolve(distDir, 'index.js'),
  bundle: true,
  platform: 'node',
  format: 'cjs',
  target: 'node18',
  external: ['vortex-api'],
  legalComments: 'none',
});

// The bundle is CommonJS, but this repo is an ESM package; without this marker
// node would read dist/index.js as ESM and fail on `module.exports`.
writeFileSync(resolve(distDir, 'package.json'), `${JSON.stringify({ type: 'commonjs' }, null, 2)}\n`);

const info = {
  name: 'Game: Cyberpunk 2077 (Linux/Proton)',
  author: 'local',
  version: pkg.version,
  description: pkg.description,
  gameId: 'cyberpunk2077linux',
};
writeFileSync(resolve(distDir, 'info.json'), `${JSON.stringify(info, null, 2)}\n`);

// The tile artwork is generated, never copied from Vortex or Nexus, so the build
// renders it straight from source. It is deterministic, so this is reproducible.
writeFileSync(resolve(distDir, 'gameart.png'), encodePng(renderGameArt()));

console.log(`built ${resolve(distDir, 'index.js')}`);