import { rollup } from 'rollup'
import typescript from '@rollup/plugin-typescript'
import setupFileInliner from './rollup-plugin-inline-file.js'
import { dirname, resolve } from 'path'
import { fileURLToPath } from 'url'
import generateMetadata from '../src/meta/metadata.js'
import { copyFile, readFile, writeFile } from 'fs/promises'
import importBase64 from './rollup-plugin-base64.js'
import generateManifestJson from '../src/meta/manifestJson.js'

const __dirname = dirname(fileURLToPath(import.meta.url))

const buildDir = resolve(__dirname, '../dist/')

let channel = ''

if (process.argv.includes('-beta')) {
  channel = '-beta'
} else if (process.argv.includes('-noupdate')) {
  channel = '-noupdate'
}

;(async () => {
  const packageJson = JSON.parse(
    await readFile(resolve(__dirname, '../package.json'), 'utf-8')
  )

  const metadata = await generateMetadata(packageJson, channel)

  const license = await readFile(resolve(__dirname, '../LICENSE'), 'utf8')

  const version = JSON.parse(
    await readFile(resolve(__dirname, '../version.json'), 'utf-8')
  )

  const inlineFile = await setupFileInliner(packageJson)

  const bundle = await rollup({
    input: resolve(__dirname, '../src/main/Main.js'),
    plugins: [
      typescript(),
      inlineFile({
        include: ['**/*.html', '**/*.css'],
      }),
      importBase64({
        include: [
          '**/*.png',
          '**/*.gif',
          '**/*.wav',
          '**/*.woff',
          '**/*.woff2',
        ],
      }),
      inlineFile({
        include: '**/package.json',
        wrap: false,
        transformer(input) {
          const data = JSON.parse(input)
          return `export default ${JSON.stringify(data.meta, undefined, 1)};`
        },
      }),
      inlineFile({
        include: '**/*.json',
        exclude: '**/package.json',
        wrap: false,
        transformer(input) {
          return `export default ${input};`
        },
      }),
    ],
  })

  /** @type {import('rollup').OutputOptions} */
  const sharedBundleOpts = {
    format: 'iife',
    generatedCode: {
      // needed for possible circular dependencies
      constBindings: false,
    },
    // Can't be none as long as the root file defined exports
    // exports: 'none',
  }

  // user script
  await bundle.write({
    ...sharedBundleOpts,
    banner: metadata + license,
    // file: '../builds/test/rollupOutput.js',
    file: resolve(buildDir, `${packageJson.meta.path}${channel}.user.js`),
  })

  // chrome extension
  const crxDir = resolve(buildDir, 'crx')
  await bundle.write({
    ...sharedBundleOpts,
    banner: license,
    file: resolve(crxDir, 'script.js'),
  })

  await copyFile(
    resolve(__dirname, '../src/meta/eventPage.js'),
    resolve(crxDir, 'eventPage.js')
  )

  writeFile(
    resolve(crxDir, 'manifest.json'),
    generateManifestJson(packageJson, version, channel)
  )

  for (const file of ['icon16.png', 'icon48.png', 'icon128.png']) {
    await copyFile(
      resolve(__dirname, '../src/meta/', file),
      resolve(crxDir, file)
    )
  }
})()