import { MigrationInterface, QueryRunner } from 'typeorm';

export class AddBookingGroupId1789046200000 implements MigrationInterface {
  name = 'AddBookingGroupId1789046200000';

  public async up(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(`
      ALTER TABLE "bookings"
      ADD COLUMN IF NOT EXISTS "bookingGroupId" uuid
    `);
    await queryRunner.query(`
      CREATE INDEX IF NOT EXISTS "IDX_booking_group"
      ON "bookings" ("bookingGroupId")
      WHERE "bookingGroupId" IS NOT NULL
    `);
  }

  public async down(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(`DROP INDEX IF EXISTS "IDX_booking_group"`);
    await queryRunner.query(`
      ALTER TABLE "bookings" DROP COLUMN IF EXISTS "bookingGroupId"
    `);
  }
}