import assert from 'node:assert/strict';
import test from 'node:test';
import { ConflictException } from '@nestjs/common';
import type { DataSource, EntityManager } from 'typeorm';
import { InspectionActsService } from '../../src/inspection-acts/inspection-acts.service';

type DraftActGuard = {
  assertVisitHasNoDraftAct(manager: EntityManager, visitId: string): Promise<void>;
};

function serviceGuard(): DraftActGuard {
  return new InspectionActsService(
    {} as DataSource,
    {} as never,
  ) as unknown as DraftActGuard;
}

test('multi-act guard allows a new act when the inspection has no draft act', async () => {
  const manager = { query: async () => [] } as unknown as EntityManager;
  await assert.doesNotReject(serviceGuard().assertVisitHasNoDraftAct(manager, 'visit-id'));
});

test('multi-act guard blocks only a second draft act for the same inspection', async () => {
  const manager = { query: async () => [{ code: 'ACTA-2026-000001' }] } as unknown as EntityManager;
  await assert.rejects(
    serviceGuard().assertVisitHasNoDraftAct(manager, 'visit-id'),
    (error: unknown) => error instanceof ConflictException
      && error.getResponse() instanceof Object
      && (error.getResponse() as { code?: string }).code
        === 'INSPECTION_VISIT_DRAFT_ACT_ALREADY_EXISTS',
  );
});