import { INestApplication, ValidationPipe } from '@nestjs/common';
import { ModuleMetadata } from '@nestjs/common/interfaces';
import { Test, TestingModuleBuilder } from '@nestjs/testing';
import { AllExceptionsFilter } from '../../src/common/filters/all-exceptions.filter';
import { AppException } from '../../src/common/exceptions/app-exception';
import { buildValidationErrorResponse } from '../../src/common/helpers/validation-error.helper';

export async function createHttpTestApp(
  metadata: ModuleMetadata,
  configure: (builder: TestingModuleBuilder) => TestingModuleBuilder = (builder) => builder,
): Promise<INestApplication> {
  const moduleRef = await configure(Test.createTestingModule(metadata)).compile();
  const app = moduleRef.createNestApplication();

  app.use((req: { requestId?: string }, _res: unknown, next: () => void) => {
    req.requestId = 'test-request-id';
    next();
  });
  app.useGlobalFilters(new AllExceptionsFilter());
  app.useGlobalPipes(
    new ValidationPipe({
      whitelist: true,
      forbidNonWhitelisted: true,
      transform: true,
      transformOptions: { enableImplicitConversion: true },
      exceptionFactory: (errors) => {
        const { normalizedError } = buildValidationErrorResponse(errors);

        return new AppException('VALIDATION_ERROR', {
          message: normalizedError.message,
          messageFa: normalizedError.messageFa,
          details: normalizedError.details,
        });
      },
    }),
  );

  await app.init();
  return app;
}