const multer = require('multer');
const path = require('path');
const env = require('../helpers/env');
const fileHelper = require('../helpers/file_helper');

const storage = multer.diskStorage({
  //multers disk storage settings
  destination: function (req, file, cb) {
    cb(null, env.INV_UPLOAD_DIR);
  },
  filename: function (req, file, cb) {
    var datetimestamp = Date.now();
    cb(
      null,
      file.fieldname +
        '-' +
        datetimestamp +
        '.' +
        file.originalname.split('.')[file.originalname.split('.').length - 1]
    );
  },
});

const invoiceSettingsUpload = multer({
  storage: storage,
  fileFilter: function (req, file, callback) {
    const ext = path.extname(file.originalname);
    if (!['.png', '.jpg', '.jpeg'].includes(ext.toLowerCase())) {
      return callback(new multer.MulterError('Only images are allowed'));
    }
    callback(null, true);
  },
  limits: {
    fileSize: env.INV_MAX_UPLOAD_SIZE_MB * 1024 * 1024,
  },
});

module.exports = { invoiceSettingsUpload };