import { MigrationInterface, QueryRunner } from "typeorm";

/**
 * Debit/credit note filing — confirmed directly by MoR support: same `/v1/register` endpoint,
 * distinguished by `DocumentDetails.Type` ("DEB"/"CRE") + a `Reason`, linked to the original
 * invoice via `ReferenceDetails.RelatedDocument`. See `Invoice.eimsDocumentType`.
 */
export class EimsDebitCreditNotes3550000000000 implements MigrationInterface {
  name = "EimsDebitCreditNotes3550000000000";

  public async up(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(`
      ALTER TABLE freight.invoices
      ADD COLUMN IF NOT EXISTS eims_document_type varchar(8) NOT NULL DEFAULT 'INV',
      ADD COLUMN IF NOT EXISTS eims_reason text,
      ADD COLUMN IF NOT EXISTS related_invoice_id uuid REFERENCES freight.invoices(id)
    `);
  }

  public async down(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.query(`
      ALTER TABLE freight.invoices
      DROP COLUMN IF EXISTS eims_document_type,
      DROP COLUMN IF EXISTS eims_reason,
      DROP COLUMN IF EXISTS related_invoice_id
    `);
  }
}