import inquirer from 'inquirer'
import { logger } from '@laughing-cli/utils'
import type { AvailablePackages } from '../installers'
import { availablePackages } from '../installers'

interface CliFlags {
  noGit: boolean
  noInstall: boolean
  default: boolean
}

interface CliResults {
  packages: AvailablePackages[]
}

const defaultOptions: CliResults = {
  packages: ['lint'],
}

export const runCli = async () => {
  const cliResults = defaultOptions
  // Explained below why this is in a try/catch block
  try {
    const { packages } = await inquirer.prompt<Pick<CliResults, 'packages'>>({
      name: 'packages',
      type: 'checkbox',
      message: 'Which packages would you like to enable?',
      choices: availablePackages.map(pkgName => ({
        name: pkgName,
        checked: false,
      })),
    })

    cliResults.packages = packages
  }
  catch (err) {
    // If the user is not calling create-t3-app from an interactive terminal, inquirer will throw an error with isTTYError = true
    // If this happens, we catch the error, tell the user what has happened, and then contiue to run the program with a default t3 app

    if (err instanceof Error && (err as any).isTTYError) {
      logger.warn(
        'laughing-cli needs an interactive terminal to provide options',
      )
    }
    else {
      throw err
    }
  }

  return cliResults
}