import { MigrationInterface, QueryRunner, TableColumn } from 'typeorm';

/**
 * Discount is chosen by the salon at send time, not fixed per admin
 * template — so these columns live only on campaign_runs, as a snapshot of
 * what was actually used for that specific send.
 */
export class AddCampaignTemplateDiscount1722400000000
  implements MigrationInterface
{
  name = 'AddCampaignTemplateDiscount1722400000000';

  public async up(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.addColumns('campaign_runs', [
      new TableColumn({
        name: 'discountPercent',
        type: 'int',
        isNullable: true,
      }),
      new TableColumn({
        name: 'discountAmount',
        type: 'decimal',
        precision: 14,
        scale: 2,
        isNullable: true,
      }),
    ]);
  }

  public async down(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.dropColumn('campaign_runs', 'discountAmount');
    await queryRunner.dropColumn('campaign_runs', 'discountPercent');
  }
}