#!/usr/bin/node
/**
 *
 * @author yutent<yutent.io@gmail.com>
 * @date 2022/10/10 15:17:36
 */

import { red, cyan, blue, gray } from 'kolorist'
import prompts from 'prompts'
import fs from 'iofs'
import { resolve, join, dirname } from 'path'

import {
  writePackageJson,
  writeGitIgnore,
  writePrettierrc,
  writePm2File
} from './lib/demo-config.js'
import { writeMainJs, writeAppJs, writeModelJs } from './lib/demo-js.js'

const CURRENT_DIR = process.cwd()
const root = dirname(
  import.meta.url.slice(process.platform === 'win32' ? 10 : 7)
)
const { version } = JSON.parse(fs.cat(join(root, './package.json')))

const DEFAULT_NAME = 'gm5-app'

let args = process.argv.slice(2)
let targetDir = ''

function isEmpty(dir) {
  let list = fs.ls(dir)
  if (list && list.length) {
    return false
  }
  return true
}

function sleep(num = 1) {
  return new Promise(resolve => setTimeout(resolve, num * 1000))
}

function printHelp() {
  console.log('Usage: create-five {command} [arguments]')
  console.log('  ', 'create-five init', '一个快速创建Five.js项目的小工具')
  console.log('  ', 'create-five -h[--help]', '打印帮助信息')
  console.log()
  process.exit()
}

!(async function () {
  switch (args[0]) {
    case '-v':
    case '--version':
      console.log('v' + version)
      break

    case '-h':
    case '--help':
      printHelp()
      break

    default:
      let res = await prompts([
        {
          name: 'projectName',
          type: 'text',
          message: '项目名称(也是目录名, 只能为英文、数字、-、.):',
          initial: DEFAULT_NAME,
          validate: val => /^[a-zA-Z\d\-\.]+$/.test(val),
          onState: ({ value }) => (targetDir = join(CURRENT_DIR, value))
        },
        {
          name: 'shouldOverwrite',
          type: _ => (isEmpty(targetDir) ? null : 'toggle'),
          message: _ =>
            `目录 ${cyan(targetDir)} 非空, 是否${red('删除')}目录下所有的文件?`,
          initial: false,
          active: '是',
          inactive: '否'
        },
        {
          name: 'confirmCheck',
          type: shouldOverwrite => {
            if (shouldOverwrite === false) {
              console.log(red('✖') + ' 操作取消~~')
              process.exit()
            }
            return null
          }
        }
      ])

      console.log()

      if (res.projectName === undefined) {
        console.log('已取消操作~~')
        process.exit()
      }

      if (res.projectName === '.') {
        res.projectName = DEFAULT_NAME
      }

      console.log('指定的项目名为: %s', cyan(res.projectName))
      console.log('项目目录为: %s', cyan(targetDir))

      if (res.shouldOverwrite) {
        console.log(red('目录非空, 1s 后将清空目录~~'))
        await sleep(1)
        let list = fs.ls(targetDir)
        list.forEach(it => fs.rm(it, true))
      } else {
        console.log(red('程序将在 1s 后初始化项目~~'))
        await sleep(1)
      }

      console.log(cyan('\n初始化项目...'))
      console.log('[c---------]', '10%')

      fs.mkdir(join(targetDir, 'apps'))
      fs.mkdir(join(targetDir, 'models'))
      fs.mkdir(join(targetDir, 'config'))
      fs.mkdir(join(targetDir, 'data'))
      fs.mkdir(join(targetDir, 'public'))
      fs.mkdir(join(targetDir, 'views'))

      console.log('[ooc-------]', '30%')

      writePackageJson(join(targetDir, 'package.json'), res.projectName)
      writeGitIgnore(join(targetDir, '.gitignore'))
      writePrettierrc(join(targetDir, '.prettierrc.yaml'))
      writePm2File(join(targetDir, 'app.dev.yaml'), {
        name: res.projectName,
        env: 'development',
        cluster: false
      })
      writePm2File(join(targetDir, 'app.yaml'), {
        name: res.projectName,
        cluster: false
      })

      console.log('[oooooc----]', '60%')

      writeMainJs(join(targetDir, 'app.js'))
      writeAppJs(join(targetDir, 'apps/index.js'))
      writeModelJs(join(targetDir, 'models/index.js'))

      console.log('[oooooooooo]', '100%')
      console.log(cyan('初始化完成, 可依次执行以下命令启动项目: '))
      console.log(blue('cd ' + res.projectName))
      console.log(blue('npm i'))
      console.log(blue('pm2 start app.dev.yaml'), gray('# 开发模式'))
      console.log(blue('pm2 start app.yaml'), gray('# 生产模式'))
      console.log('访问地址: ', cyan('http://127.0.0.1:3000'))

      break
  }
})()