import 'dotenv/config'
import { Hono } from 'hono'
import { cors } from 'hono/cors'
import { logger } from 'hono/logger'
import { swaggerUI } from '@hono/swagger-ui'
import * as fs from 'fs/promises'
import { renderer } from './renderer'
import createApi from './api'


const app = new Hono();
// Middleware chain
app.use('*', logger())
app.use('*', cors(
  // {
  //   origin: ['http://localhost:3000'],
  //   allowMethods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
  //   credentials: true
  // }
))


app.route('/', createApi)

if(!import.meta.env.PROD){
  app.get('/ui', swaggerUI({
    url: '/doc',
    persistAuthorization: true
  }))
}

if(import.meta.env.PROD){
  app.get('/assets/:filename', async (c) => {
    const filename = c.req.param('filename')
    const filePath = import.meta.env.PROD? `./dist/assets/${filename}` : `./public/assets/${filename}`
    const content = await fs.readFile(filePath);
    const modifyDate = (await fs.stat(filePath))?.mtime?.toUTCString()?? new Date().toUTCString();


    const fileExt = filePath.split('.').pop()?.toLowerCase()
    // 根据文件扩展名设置适当的 Content-Type
    if (fileExt === 'tsx' || fileExt === 'ts') {
      c.header('Content-Type', 'text/typescript; charset=utf-8')
    } else if (fileExt === 'js' || fileExt === 'mjs') {
      c.header('Content-Type', 'application/javascript; charset=utf-8')
    } else if (fileExt === 'json') {
      c.header('Content-Type', 'application/json; charset=utf-8')
    } else if (fileExt === 'html') {
      c.header('Content-Type', 'text/html; charset=utf-8')
    } else if (fileExt === 'css') {
      c.header('Content-Type', 'text/css; charset=utf-8')
    } else if (['jpg', 'jpeg', 'png', 'gif', 'webp'].includes(fileExt || '')) {
      c.header('Content-Type', `image/${fileExt}`)
    }

    return c.body(content, {
      headers: {
        // 'Content-Type': 'text/html; charset=utf-8',
        'Last-Modified': modifyDate
      }
    })
  })
}

app.use(renderer)
app.get('/*', (c) => {
  return c.render(
    <>
      <div id="root"></div>
    </>
  )
}) 

export default app