/**
 * Bundle the PearData GUI (app.js + local modules) to CJS for Electron.
 *
 * CJS require() works with nodeIntegration. esbuild inlines local sources and
 * leaves node_modules as external require()s resolved from electron/../node_modules.
 */
'use strict'

const path = require('path')
const { build } = require('esbuild')

const root = path.resolve(__dirname, '..')
const outfile = path.join(root, 'electron', 'app.bundle.cjs')

async function main() {
  await build({
    entryPoints: [path.join(root, 'app.js')],
    bundle: true,
    platform: 'node',
    format: 'cjs',
    outfile,
    packages: 'external',
    sourcemap: true,
    logLevel: 'info',
    banner: {
      js: '/* peardata electron GUI bundle — generated by scripts/build-client-bundle.cjs */\n',
    },
  })
  console.log('[build-client-bundle] wrote', outfile)
}

main().catch((err) => {
  console.error(err)
  process.exit(1)
})