import { NestFactory } from "@nestjs/core";
import { ValidationPipe } from "@nestjs/common";
import { NestExpressApplication } from "@nestjs/platform-express";
import { IoAdapter } from "@nestjs/platform-socket.io";
import { join } from "path";
import { AppModule } from "./app.module";

async function bootstrap() {
  const app = await NestFactory.create<NestExpressApplication>(AppModule);

  const corsOrigins = (process.env.CORS_ORIGINS ?? "http://localhost:3000")
    .split(",")
    .map((o) => o.trim());

  app.enableCors({
    origin: corsOrigins,
    credentials: true,
  });

  // Socket.io adapter for WebSocket gateway (C-6)
  app.useWebSocketAdapter(new IoAdapter(app));

  app.setGlobalPrefix("api");

  // Serve uploaded files (photos, invoices) as static assets
  const uploadsDir = join(process.cwd(), "uploads");
  app.useStaticAssets(uploadsDir, { prefix: "/uploads" });

  // Validación global de DTOs (class-validator)
  app.useGlobalPipes(
    new ValidationPipe({
      whitelist: true,
      forbidNonWhitelisted: false,
      transform: true,
      transformOptions: { enableImplicitConversion: true },
    }),
  );

  const port = process.env.API_PORT ?? process.env.PORT ?? 3001;
  await app.listen(port, "0.0.0.0");

  console.log(`Moraworld API → http://localhost:${port}/api`);
}

bootstrap();