import express, { Response } from 'express'

import { getFile } from '@controllers'
import { authenticated } from '@helpers'
import { AuthenticatedRequest, IFile, IUser } from '@types'

import path from 'path'

const router = express.Router()

router.get('/:_id', authenticated, async (req: AuthenticatedRequest, res: Response) => {
  const { _id } = req.params

  const response = await getFile(<IFile['_id']>_id, <IUser>req.user)

  if (!response.data) {
    return res.status(response.status).send(response.error)
  }

  const file = Buffer.from(response.data.data, 'base64')

  res.writeHead(response.status, {
    'Content-Type': response.data.mimetype,
    'Content-Length': file.length,
    'Content-Disposition': `inline; filename="${response.data.name}`,
  })

  res.end(file)
})

export { router as fileRouter }