'use strict';

// CockroachDB stores ENUM columns as VARCHAR + check constraint.
// The original check_subscription constraint only allows 'free' | 'premium'.
// This migration drops and recreates it to include 'exclusive'.
module.exports = {
  async up(queryInterface) {
    await queryInterface.sequelize.query(
      `ALTER TABLE courses DROP CONSTRAINT IF EXISTS check_subscription`
    );
    await queryInterface.sequelize.query(
      `ALTER TABLE courses ADD CONSTRAINT check_subscription
       CHECK (subscription IN ('free', 'premium', 'exclusive'))`
    );
  },

  async down(queryInterface) {
    await queryInterface.sequelize.query(
      `ALTER TABLE courses DROP CONSTRAINT IF EXISTS check_subscription`
    );
    await queryInterface.sequelize.query(
      `ALTER TABLE courses ADD CONSTRAINT check_subscription
       CHECK (subscription IN ('free', 'premium'))`
    );
  },
};