import { INestApplication, ValidationPipe } from '@nestjs/common';
import { Test } from '@nestjs/testing';
import { AppModule } from 'src/app.module';
// si tu overrides des guards, garde-les comme avant

export async function createApp(): Promise<INestApplication> {
  const mod = await Test.createTestingModule({ imports: [AppModule] }).compile();
  const app = mod.createNestApplication();

  app.useGlobalPipes(new ValidationPipe({
    whitelist: true,
    transform: true,
    transformOptions: { enableImplicitConversion: true },
    forbidNonWhitelisted: true,
    validateCustomDecorators: true,
  }));

  await app.init();
  return app;
}