import { build } from 'esbuild'
import { mkdir, rm, writeFile } from 'node:fs/promises'

const watch = process.argv.includes('--watch')
const packageId = '@prophet/dsh-plugin-coop-with-vs'

await rm('lib', { recursive: true, force: true })
await mkdir('lib', { recursive: true })

const common = {
  bundle: true,
  sourcemap: true,
  target: 'es2022',
  logLevel: 'info',
}

await build({
  ...common,
  entryPoints: ['src/index.ts'],
  outfile: 'lib/index.js',
  platform: 'node',
  format: 'esm',
  packages: 'external',
})

const client = await build({
  ...common,
  entryPoints: ['src/client.ts'],
  platform: 'browser',
  format: 'cjs',
  packages: 'external',
  write: false,
})
const body = client.outputFiles[0].text
const wrapped = `window.__ModuleLoader__.load({\n  id: ${JSON.stringify(packageId)},\n  factory: (require) => {\n    var module = { exports: {} };\n    var exports = module.exports;\n${body}\n    return module.exports;\n  },\n});\n`
await writeFile('lib/client.js', wrapped, 'utf8')

if (watch) {
  console.error('Watch mode performs one deterministic rebuild; rerun via your file watcher.')
}