'use strict';

module.exports = {
  async up(queryInterface, Sequelize) {
    await queryInterface.createTable('course_assessments', {
      assessment_id:      { type: Sequelize.BIGINT, primaryKey: true, autoIncrement: true },
      uuid:               { type: Sequelize.UUID, defaultValue: Sequelize.UUIDV4, unique: true },
      course_id:          { type: Sequelize.BIGINT, allowNull: false, unique: true, references: { model: 'courses', key: 'course_id' }, onDelete: 'CASCADE' },
      title:              { type: Sequelize.STRING(255), allowNull: true },
      is_required:        { type: Sequelize.BOOLEAN, defaultValue: false },
      passing_score:      { type: Sequelize.INTEGER, defaultValue: 70 },
      time_limit_minutes: { type: Sequelize.INTEGER, allowNull: true },
      max_questions:      { type: Sequelize.INTEGER, allowNull: true },
      createdBy:          { type: Sequelize.BIGINT, allowNull: true },
      updatedBy:          { type: Sequelize.BIGINT, allowNull: true },
      deletedBy:          { type: Sequelize.BIGINT, allowNull: true },
      createdAt:          { type: Sequelize.DATE, allowNull: false },
      updatedAt:          { type: Sequelize.DATE, allowNull: false },
      deletedAt:          { type: Sequelize.DATE, allowNull: true },
    });
  },

  async down(queryInterface) {
    await queryInterface.dropTable('course_assessments');
  },
};