import chalk from 'chalk'
import fs from 'fs-extra'

import paths from './config/paths'

const getTmpPath = (...args: string[]) => paths.resolveOwn('asset', 'template', ...args)

async function generatorOverride() {
  if (fs.existsSync(paths.override)) {
    console.log(chalk.red(`文件已存在 ${paths.override}`))
    process.exit(0)
  }

  fs.copySync(getTmpPath('edu-scripts.override.js.tpl'), paths.override)

  console.log(chalk.green(`成功生成 ${paths.override}`))
}

async function generatorTsconfig() {
  if (fs.existsSync(paths.tsconfig)) {
    console.log(chalk.red(`文件已存在 ${paths.tsconfig}`))
    process.exit(0)
  }

  fs.copySync(getTmpPath('tsconfig.json.tpl'), paths.tsconfig)
  fs.copySync(getTmpPath('edu-app-env.d.ts.tpl'), paths.eduAppEnv)

  console.log(chalk.green(`成功生成 ${paths.tsconfig}`))
}

async function generatorTailwind() {
  if (fs.existsSync(paths.tailwind)) {
    console.log(chalk.red(`文件已存在 ${paths.tailwind}`))
    process.exit(0)
  }

  fs.copySync(getTmpPath('tailwind.config.js.tpl'), paths.tailwind)

  const code = ['@tailwind base;', '@tailwind components;', '@tailwind utilities;'].join('\n')

  const globalLessFile = paths.resolveApp('src', 'index.less')
  if (fs.existsSync(globalLessFile)) {
    const content = fs.readFileSync(globalLessFile, 'utf-8')
    if (!content.includes('@tailwind base')) {
      fs.writeFileSync(globalLessFile, [code, content].join('\n'))
    }

    console.log(chalk.green(`成功生成 ${paths.tailwind}`))

    return
  }

  console.log(
    chalk.green(
      [`成功生成 ${paths.tailwind}`, '', '添加以下代码到入口处的 index.less 中', code].join('\n')
    )
  )
}

export { generatorOverride as override, generatorTailwind as tailwind, generatorTsconfig as ts }