const fs = require('fs')
const path = require('path')
const stat = fs.stat
console.log('hello')
console.log(process.argv)
const routeName = process.argv[2]
const title = process.argv[3]
const homeRoute = process.argv[4] || ''
// todo 路由添加
// const router = useRouter()
// router.addRoute(homeRoute, {
//   path: routeName,
//   name: routeName,
//   component: () => import(`@/views/${routeName}/index.vue`),
//   meta: {
//     title: title
//   }
// })

// 新建文件夹、命名
// 复制文件夹
const targetDir = './src/views' + '/' + routeName
const sourceDir = './templates'

const copy = function(src, dst) {
  // 读取目录
  fs.readdir(src, function(err, paths) {
    console.log(paths)
    if (err) {
      throw err
    }
    paths.forEach(function(path) {
      const _src = src + '/' + path
      const _dst = dst + '/' + path
      let readable
      let writable
      stat(_src, function(err, st) {
        if (err) {
          throw err
        }

        if (st.isFile()) {
          readable = fs.createReadStream(_src) // 创建读取流
          writable = fs.createWriteStream(_dst) // 创建写入流
          readable.pipe(writable)
        } else if (st.isDirectory()) {
          exists(_src, _dst, copy)
        }
      })
    })
  })
}

const exists = function(src, dst, callback) {
  // 测试某个路径下文件是否存在
  fs.exists(dst, function(exists) {
    if (exists) {
      // 不存在
      callback(src, dst)
    } else {
      // 存在
      fs.mkdir(dst, function() {
        // 创建目录
        callback(src, dst)
      })
    }
  })
}

exists(sourceDir, targetDir, copy)