import { MigrationInterface, QueryRunner, Table, TableIndex } from 'typeorm';

/**
 * Per-backoffice-user trade-direction scope (import / export / intercity).
 * A user with no row (or all three directions) is unrestricted. Admins
 * (super_admin / organization_admin) bypass the scope entirely.
 */
export class CreateUserTradeAccess3150000000000 implements MigrationInterface {
  name = 'CreateUserTradeAccess3150000000000';

  public async up(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.createTable(
      new Table({
        schema: 'freight',
        name: 'user_trade_access',
        columns: [
          { name: 'id', type: 'uuid', isPrimary: true, generationStrategy: 'uuid', default: 'gen_random_uuid()' },
          // IAM user id (iam.users) — no FK, iam schema is externally owned.
          { name: 'user_id', type: 'uuid', isUnique: true },
          // Comma-separated subset of IMPORT,EXPORT,DOMESTIC (simple-array).
          { name: 'directions', type: 'text', default: "''" },
          { name: 'updated_by_id', type: 'uuid', isNullable: true },
          { name: 'created_at', type: 'timestamptz', default: 'now()' },
          { name: 'updated_at', type: 'timestamptz', default: 'now()' },
          { name: 'deleted_at', type: 'timestamptz', isNullable: true },
        ],
      }),
      true,
    );

    await queryRunner.createIndex(
      'freight.user_trade_access',
      new TableIndex({
        name: 'idx_user_trade_access_user_id',
        columnNames: ['user_id'],
      }),
    );
  }

  public async down(queryRunner: QueryRunner): Promise<void> {
    await queryRunner.dropTable('freight.user_trade_access', true);
  }
}