const router = require('express-promise-router')()
const db = require('../db')
const ensureAdmin = require('./middleware/ensureAdmin')
const sharp = require('sharp')

router.get('/:uuid/:size', async (req, res) => {
  let extension
  if(req.params.size.includes('.')) {
    extension = req.params.size.split('.').slice(1).join('.');
    req.params.size = req.params.size.split('.')[0];
  }

  const image = await db.item.getImage(req.params.uuid, req.params.size)

  // Cache a month
  const cacheSeconds = 60 * 60 * 24 * 30;
  res.set('Cache-Control', cacheSeconds);

  if(extension === "webp") {
    const webp = await sharp(image.file).webp().toBuffer();
    res.set('Content-Type', "image/webp")
    res.end(webp)
    return;
  }

  res.set('Content-Type', image.mime_type)
  res.end(image.file)
})

router.post('/:uuid/featured', ensureAdmin, async (req, res) => {
  const item = await db.item.setFeatured(req.params.uuid)
  res.json(item)
})

router.delete('/:uuid', ensureAdmin, async (req, res) => {
  const item = await db.item.removeImage(req.params.uuid)
  res.json(item)
})

module.exports = router