import { spawn } from 'child_process'
import { getProjectDir } from '../lib/get-project-dir'
import { getNpxCommand } from '../lib/helpers/get-npx-command'

interface NextUpgradeOptions {
  revision: string
  verbose: boolean
}

export function spawnNextUpgrade(
  directory: string | undefined,
  options: NextUpgradeOptions
) {
  const baseDir = getProjectDir(directory)
  const [upgradeProcessCommand, ...upgradeProcessDefaultArgs] =
    getNpxCommand(baseDir).split(' ')

  const upgradeProcessCommandArgs = [
    ...upgradeProcessDefaultArgs,
    // Needs to be bleeding edge (canary) to pick up latest codemods.
    '@next/codemod@canary',
    'upgrade',
    options.revision,
  ]
  if (options.verbose) {
    upgradeProcessCommandArgs.push('--verbose')
  }

  const upgradeProcess = spawn(
    upgradeProcessCommand,
    upgradeProcessCommandArgs,
    {
      stdio: 'inherit',
      cwd: baseDir,
    }
  )

  upgradeProcess.on('close', (code) => {
    process.exitCode = code ?? 0
  })
}