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 SingleActGuard = {
  assertVisitHasNoAct(manager: EntityManager, visitId: string): Promise<void>;
};

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

test('single-act guard allows a visit without an act', async () => {
  const manager = {
    query: async () => [],
  } as unknown as EntityManager;

  await assert.doesNotReject(
    serviceGuard().assertVisitHasNoAct(manager, 'visit-id'),
  );
});

test('single-act guard rejects a second act for the same visit', async () => {
  const manager = {
    query: async () => [{ code: 'ACTA-2026-000001' }],
  } as unknown as EntityManager;

  await assert.rejects(
    serviceGuard().assertVisitHasNoAct(manager, 'visit-id'),
    (error: unknown) => error instanceof ConflictException
      && error.getResponse() instanceof Object
      && (error.getResponse() as { code?: string }).code
        === 'INSPECTION_VISIT_ACT_ALREADY_EXISTS',
  );
});