const { run } = require('runjs')
const chalk = require('chalk')
const config = require('../vue.config.js')
const rawArgv = process.argv.slice(2)
const args = rawArgv.join(' ')

if (process.env.npm_config_preview || rawArgv.includes('--preview')) {
  const report = rawArgv.includes('--report')

  run(`vue-cli-service build ${args}`)

  const port = 9526
  const publicPath = config.publicPath

  var connect = require('connect')
  var serveStatic = require('serve-static')
  const path = require('path')
  const app = connect()

  // 静态文件服务 - 直接服务 dist 目录
  app.use('/', serveStatic('./dist', {
    index: ['index.html', '/']
  }))

  // SPA 路由支持 - 所有未匹配的路由都返回 index.html
  app.use('*', (req, res) => {
    res.sendFile(path.join(__dirname, '../dist/index.html'))
  })

  app.listen(port, function () {
    console.log(chalk.green(`> Preview at  http://localhost:${port}`))
    if (report) {
      console.log(chalk.green(`> Report at  http://localhost:${port}/report.html`))
    }
  })

} else {
  run(`vue-cli-service build ${args}`)
}