// 命令 node create.js  film
//  + router/routes/film.tsx 并定义好路由
//  + views/film/index.tsx 电影列表页面
const path = require('path')
const fs = require('fs')

const routerTemplate = name => {
  const cmp = name.slice(0, 1).toLocaleUpperCase() + name.slice(1)
  return `
  import { Suspense, lazy } from 'react'
  import { Outlet, type RouteObject } from 'react-router-dom'
  import { Spin } from 'antd'
  
  const ${cmp} = lazy(() => import('@/views/${name}'))
  
  const routes: RouteObject[] = [
    {
      path: '${name}',
      element: <Outlet />,
      children: [
        {
          path: 'list',
          element: (
            <Suspense fallback={<Spin size='large' />}>
              <${cmp} />
            </Suspense>
          )
        }
      ]
    }
  ]
  export default routes
  `
}

const viewTemplate = name => {
  const cmp = name.slice(0, 1).toLocaleUpperCase() + name.slice(1)
  return `
  import {useState,useEffect} from 'react'
  import type {FC} from 'react'

const ${cmp} = () => {
  return (
    <div>
      <h3>${cmp}</h3>
    </div>
  );
}

export default ${cmp}
`
}

// 得到当前命令执行的目录路径
const cwd = process.cwd()

// 得到执行的命令参数中文件名称和目录名称
const name = process.argv[2]

// 路由根路径
const routerRoot = path.join(cwd, 'src/router/routes')
// 视图根路径
const viewRoot = path.join(cwd, 'src/views')

// 创建路由文件
const routerPath = path.join(routerRoot, `${name}.tsx`)
// 路由不存在才创建
if (!fs.existsSync(routerPath)) {
  fs.writeFileSync(routerPath, routerTemplate(name))
}

// 创建视图目录
const viewPath = path.join(viewRoot, name)
// 视图目录不存在才创建
if (!fs.existsSync(viewPath)) {
  fs.mkdirSync(viewPath)
  // 在视图目录下创建 index.tsx 文件
  const viewFilePath = path.join(viewPath, 'index.tsx')
  fs.writeFileSync(viewFilePath, viewTemplate(name))
}