import type { Stats } from '@rspack/core'

import { rspack } from '@rspack/core'
import chalk from 'chalk'
import fs from 'fs-extra'

import paths from './config/paths'
import appConfig from './utils/appConfig'
import { measureFileSizesBeforeBuild, printFileSizesAfterBuild } from './utils/FileSizeReporter'
import getConfig from './utils/getConfig'

interface BuildArgs {
  analyze?: boolean
  outputHtml?: boolean
}
export default async function build(args: BuildArgs) {
  process.env.NODE_ENV = 'production'
  process.env.BABEL_ENV = 'production'
  process.env.BROWSERSLIST = '>0.2%, iOS>=9, ie 11, chrome>=49, not op_mini all'
  process.env.BROWSERSLIST_IGNORE_OLD_DATA = 'true'

  if (args.analyze) {
    process.env.ANALYZE = '1'
  }
  if (args.outputHtml) {
    process.env.OUTPUT_HTML = '1'
  }

  const previousSizeMap = await measureFileSizesBeforeBuild(paths.dist)
  fs.emptyDirSync(paths.dist)

  if (appConfig.single) {
    fs.copySync(paths.public, paths.resolveApp('dist'))
  }
  if (appConfig.mainProject && fs.existsSync(paths.static)) {
    fs.copySync(paths.static, paths.resolveApp('dist', 'static'))
  }

  const config = getConfig(args)
  rspack(config, (error, stats: Stats | undefined) => {
    if (error) {
      console.log(chalk.red('编译失败'))
      console.log(chalk.red(error.message || error))
      process.exit(1)
    }

    if (!stats) return

    if (stats.compilation.errors.length) {
      console.log(chalk.red('编译失败'))
      console.log(stats.toString({ all: false, errors: true, colors: true }))
      process.exit(1)
    }

    const size = { maxEntrypointSize: 250000, maxAssetSize: 250000 }
    if (typeof config.performance === 'object') {
      config.performance.maxEntrypointSize = size.maxEntrypointSize
      config.performance.maxAssetSize = size.maxAssetSize
    }

    printFileSizesAfterBuild(
      stats,
      previousSizeMap,
      paths.dist,
      size.maxEntrypointSize,
      size.maxAssetSize
    )

    if (appConfig.single) {
      console.log(`打包完成，可以使用 ${chalk.green('@qse/ssh-sftp')} 自动部署代码到 v1`)
    } else {
      console.log(`打包完成，可以运行 ${chalk.green('npx edu-scripts deploy')} 部署代码到 v1`)
    }
    console.log()
    console.log(stats.toString({ colors: true, preset: 'errors-warnings', timings: true }))
    console.log()
  })
}