'use strict';

function syncSequelizeModels(db) {
  var keys = Object.keys(db);

  function next() {
    var modelName = keys.shift();
    if (!modelName) { return; }
    if (isModel(modelName)) {
      return db[modelName].sync().then(next);
    }
    return next();
  }

  return Promise.resolve().then(next);
}

function isModel(key) {
  return !(['sequelize','Sequelize'].includes(key));
}

module.exports = syncSequelizeModels;