import { config as loadEnv } from 'dotenv';
loadEnv();

import { NestFactory } from '@nestjs/core';
import {
  Logger as NestLogger,
  RequestMethod,
  ValidationPipe,
} from '@nestjs/common';
import { IoAdapter } from '@nestjs/platform-socket.io';
import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
import helmet from 'helmet';
import { Logger } from 'nestjs-pino';
import { AppModule } from './app.module';

async function bootstrap() {
  const app = await NestFactory.create(AppModule, { bufferLogs: true });
  app.useLogger(app.get(Logger));
  app.useWebSocketAdapter(new IoAdapter(app));
  app.use(
    helmet({
      contentSecurityPolicy: false,
      crossOriginEmbedderPolicy: false,
    }),
  );
  app.enableCors({
    origin: true,
    credentials: true,
  });
  app.useGlobalPipes(
    new ValidationPipe({
      whitelist: true,
      transform: true,
      forbidUnknownValues: false,
    }),
  );

  app.setGlobalPrefix('api', {
    exclude: [{ path: 'health', method: RequestMethod.GET }],
  });

  const swaggerConfig = new DocumentBuilder()
    .setTitle('Trip Track API')
    .setDescription(
      'Enterprise Field Employee Tracking — REST + Socket.IO (`/tracking` namespace for live GPS). OpenAPI: GET /api/docs-json',
    )
    .setVersion('2.0')
    .addBearerAuth(
      { type: 'http', scheme: 'bearer', bearerFormat: 'JWT' },
      'access-token',
    )
    .build();
  const document = SwaggerModule.createDocument(app, swaggerConfig);
  SwaggerModule.setup('docs', app, document);

  const port = Number(process.env.PORT ?? 3000);
  const host = (process.env.HOST ?? '0.0.0.0').trim() || '0.0.0.0';
  await app.listen(port, host);
  const base = `http://127.0.0.1:${port}`;
  NestLogger.log(
    `Trip Track API — Health: ${base}/health  REST+auth under ${base}/api/…  Swagger: ${base}/api/docs  (LAN: same host, port ${port})`,
    'Bootstrap',
  );
}
bootstrap();