import { NestFactory } from '@nestjs/core';
import { ValidationPipe, Logger } from '@nestjs/common';
import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
import { AppModule } from './app.module';
import { GlobalExceptionFilter } from './shared/filters/global-exception.filter';
import { LoggingInterceptor } from './shared/interceptors/logging.interceptor';

async function bootstrap() {
  const logger = new Logger('Bootstrap');
  const app = await NestFactory.create(AppModule);

  // 全局异常过滤器
  app.useGlobalFilters(new GlobalExceptionFilter());

  // 全局日志拦截器
  app.useGlobalInterceptors(new LoggingInterceptor());

  // 全局管道
  app.useGlobalPipes(
    new ValidationPipe({
      whitelist: true,
      transform: true,
      forbidNonWhitelisted: true,
    }),
  );

  // API 前缀
  const apiPrefix = process.env.API_PREFIX || 'api/v1';
  app.setGlobalPrefix(apiPrefix);

  // Swagger 文档
  const config = new DocumentBuilder()
    .setTitle('Presence & Analytics Service API')
    .setDescription('用户活跃度与在线状态服务')
    .setVersion('1.0')
    .addBearerAuth()
    .build();
  const document = SwaggerModule.createDocument(app, config);
  SwaggerModule.setup(`${apiPrefix}/docs`, app, document);

  // 启动服务
  const port = parseInt(process.env.APP_PORT || '3011', 10);
  await app.listen(port);

  logger.log(`Presence Service is running on: http://localhost:${port}/${apiPrefix}`);
  logger.log(`Swagger docs: http://localhost:${port}/${apiPrefix}/docs`);
}

bootstrap();