const bcrypt = require('bcryptjs');

class Authenticator {

  constructor(database) {
    this.database = database;
  };

  getAuthenticatedUser(req, callback) {
    if (req.session.userId) {
      let collection = this.database.collection('users');
      collection.findOne({ id: req.session.userId }, {}, function (dbErr, dbRes) {
        if (dbErr === null) {
          if (dbRes === null) {
            callback(null);
          } else {
            callback(dbRes);
          }
        } else {
          callback(null);
        }
      });
    } else {
      callback(null);
    }
  };

};

module.exports = Authenticator;