import './load-env';
import { NestFactory } from '@nestjs/core';
import { loadAppConfig } from '@dukang/shared-types';
import { NestExpressApplication } from '@nestjs/platform-express';
import { ValidationPipe } from '@nestjs/common';
import { json } from 'express';
import { AppModule } from './app.module';
import { HttpExceptionFilter } from './common/filters/http-exception.filter';
import { ResponseInterceptor } from './common/interceptors/response.interceptor';
import { preloadSystemConfigEnv } from './common/system-config/system-config.env';

async function bootstrap() {
  const preloaded = await preloadSystemConfigEnv().catch((e) => {
    console.warn('[config] system_config preload skipped:', e instanceof Error ? e.message : e);
    return 0;
  });
  if (preloaded > 0) {
    console.log(`[config] loaded ${preloaded} keys from system_config`);
  }

  const app = await NestFactory.create<NestExpressApplication>(AppModule, { bodyParser: false });
  app.setGlobalPrefix('api/v1');
  app.set('trust proxy', true);
  app.enableCors({ origin: true, credentials: true });
  app.use(
    json({
      verify: (req, _res, buf) => {
        if (req.url?.includes('/callbacks/wechat/pay')) {
          (req as { rawBody?: Buffer }).rawBody = buf;
        }
      },
    }),
  );
  app.useGlobalPipes(new ValidationPipe({ transform: true, whitelist: true }));
  app.useGlobalFilters(new HttpExceptionFilter());
  app.useGlobalInterceptors(new ResponseInterceptor());
  const port = process.env.PORT || 3000;
  const cfg = loadAppConfig();
  const smsMode = cfg.mockSms ? 'MOCK' : 'ALIYUN';
  console.log(`[config] NODE_ENV=${process.env.NODE_ENV} MOCK_SMS=${cfg.mockSms} SMS=${smsMode}`);
  await app.listen(port);
  console.log(`dukang-api listening on http://localhost:${port}/api/v1`);
}

bootstrap();