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// multe file filters
const brandFileFilter = (req, file, cb) => {
  // reject a file
  if(file.mimetype === 'image/jpeg' || file.mimetype === 'image/png') {
      cb(null, false)
  } else {
      cb(new Error('Only .jpeg or .png files are accepted'), true)
    }
}
const itemFileFilter = (req, file, cb) => {
  // reject a file
  if(file.mimetype === 'image/jpeg' || file.mimetype === 'image/png') {
      cb(null, false)
  } else {
      cb(new Error('Only .jpeg or .png files are accepted'), true)
    }
}

module.exports.brandFileFilter = brandFileFilter
module.exports.itemFileFilter = itemFileFilter

// multer brand storage setup
const brandStorage = multer.diskStorage({
  destination: async (req, file, cb) => {
    const brandId = req.body.brandId
    const dir = `./public/common/_data/brands/${ brandId }`
    //create brand folder if there's no
    mkdirp.sync(dir)
    cb(null, dir)

  },
  filename: function (req, file, callback) {
    callback(null, file.fieldname + '-' + moment().valueOf() + path.extname(file.originalname))
    // I should define file extension
  }
})
const brandUpload = multer({
  storage : brandStorage,
  limits : {
    fieldSize: 1024 * 1024 * 10
  },
  // fileFilter: fileFilter
})

module.exports.brandUpload = brandUpload

// multer item storage setup
const itemStorage = multer.diskStorage({
  destination : async (req, file, cb) => {

    const brand_shortid = req.body.brand_shortid
    const item_shortid = req.body.item_shortid

    if (!brand_shortid) {
      cb('missing brand_shortid data field')
      console.log('missing brand_shortid data field')
      return
    }
    if(!item_shortid){
      cb('missing item_shortid data field')
      console.log('missing item_shortid data field')
      return
    }

    const dir = `./public/common/_data/brands/${brand_shortid}/${item_shortid}`

    mkdirp.sync(dir)

    cb(null, dir)

  },
  filename: function (req, file, callback) {
    callback(null, file.fieldname + '-' + moment().valueOf() + path.extname(file.originalname))
    // I should define file extension
  }
})
const itemUpload = multer({
  storage : itemStorage,
  limits : {
    fieldSize: 1024 * 1024 * 10
  },
  // fileFilter: fileFilter
})
const itemRegister = itemUpload.fields([
  { name: 'itemThumbnail', maxCount: 1 },
  { name: 'itemImage', maxCount: 5 }
])
const itemUpdate = itemUpload.fields([
  { name: 'itemThumbnail', maxCount: 1 },
  { name: 'itemImage', maxCount: 5 }
])

module.exports.itemRegister = itemRegister
module.exports.itemUpdate = itemUpdate