import {Router} from 'express'
import path from 'path'
import cors from 'cors'
import Fontmin from 'fontmin'
import validPerm from '../../utils/valid-perm'
const router = new Router()

const whitelist = ['https://servicewechat.com']
const corsOptions = {
  origin: function(origin, callback) {
    if (whitelist.indexOf(origin) !== -1) {
      callback(null, true)
    } else {
      callback(new Error('Not allowed by CORS'))
    }
  },
}

router.get('/get_font', cors(), async (req, res, next) => {
  const query = req.query
  const font_name = query.font_name
  const ext = query.ext
  const fontPath = path.join(__dirname, `../../fonts/${font_name}.${ext}`)

  res.download(fontPath)
})

router.get('/fontmin', cors(),async (req, res, next) => {
  const query = req.query
  const {text, font_name, ext} = query
  console.log(text)
  const fontPath = path.join(__dirname, `../../fonts/${font_name}.${ext}`)
  const fontmin = new Fontmin().src(fontPath).use(
    Fontmin.glyph({
      text: text,
      hinting: false,
    })
  )
  fontmin.run(function(err, files) {
    if (err) {
      console.log(err)
      next(err)
      return
    }
    const data = files[0].contents
    res.writeHead(200, {
      'Content-Type': 'application/vnd.ms-fontobject',
      'Content-disposition': `attachment;filename=${font_name}.${ext}`,
      'Content-Length': data.length,
    })
    res.end(data)
  })
})

export default router