const { DataTypes } = require('sequelize');

// We export a function that defines the model.
// This function will automatically receive as parameter the Sequelize connection object.
module.exports = (sequelize) => {
  sequelize.define('user', {
    // The following specification of the 'id' attribute could be omitted
    // since it is the default.
    id: {
      allowNull: false,
      autoIncrement: true,
      primaryKey: true,
      type: DataTypes.INTEGER
    },
    firstName: {
      type: DataTypes.STRING,
      allowNull: false
    },
    lastName: {
      type: DataTypes.STRING,
      allowNull: false
    },
    email: {
      type: DataTypes.STRING,
      allowNull: false,
      unique: true,
      validate: {
        // We require usernames to have length of at least 3, and
        // only use letters, numbers and underscores.
        is: /^\w{3,}$/
      }
    },
    password: {
      type: DataTypes.STRING,
      allowNull: false
    }
  }, {
    sequelize,
    modelName: 'User',
    tableName: "Users",
  });
};