edr-platform/apps/edr-freight-api/src/migrations/1820000000003-AddPriceAdjustment.ts

import { MigrationInterface, QueryRunner } from 'typeorm';

/**
 * Staff price adjustment: an optional override of a booking's computed total,
 * with who/when/why. When set, the customer sees the adjusted total + a badge.
 */
export class AddPriceAdjustment1820000000003 implements MigrationInterface {
  name = 'AddPriceAdjustment1820000000003';

  public async up(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(
      `ALTER TABLE freight.bookings ADD COLUMN IF NOT EXISTS adjusted_total_amount numeric(14,2);`,
    );
    await queryRunner.query(
      `ALTER TABLE freight.bookings ADD COLUMN IF NOT EXISTS adjusted_by_staff_id uuid;`,
    );
    await queryRunner.query(
      `ALTER TABLE freight.bookings ADD COLUMN IF NOT EXISTS adjusted_at timestamptz;`,
    );
    await queryRunner.query(
      `ALTER TABLE freight.bookings ADD COLUMN IF NOT EXISTS adjustment_reason text;`,
    );
  }

  public async down(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(
      `ALTER TABLE freight.bookings DROP COLUMN IF EXISTS adjustment_reason;`,
    );
    await queryRunner.query(
      `ALTER TABLE freight.bookings DROP COLUMN IF EXISTS adjusted_at;`,
    );
    await queryRunner.query(
      `ALTER TABLE freight.bookings DROP COLUMN IF EXISTS adjusted_by_staff_id;`,
    );
    await queryRunner.query(
      `ALTER TABLE freight.bookings DROP COLUMN IF EXISTS adjusted_total_amount;`,
    );
  }
}