import { NestFactory } from "@nestjs/core";
import { ConfigService } from "@nestjs/config";
import { AppConfig } from "./config/app.config";
import { ValidationPipe } from "@nestjs/common";
import { TraceLogger } from "./common/trace-logger";
import { DocumentBuilder, SwaggerModule } from "@nestjs/swagger";
import { AppModule } from "./app.module";
import { HttpExceptionFilter } from "./filters/http-exception.filter";
import { TraceInterceptor } from "./interceptors/trace.interceptor";
import { LoggingInterceptor } from "./interceptors/logging.interceptor";
import { name as pkgName, version as pkgVersion } from "../package.json";

async function bootstrap() {
  const logger = new TraceLogger("Bootstrap");
  const app = await NestFactory.create(AppModule, {
    logger: new TraceLogger("Bootstrap", { timestamp: true }),
  });

  app.useGlobalPipes(new ValidationPipe({ transform: true }));
  app.useGlobalFilters(new HttpExceptionFilter());
  app.useGlobalInterceptors(new TraceInterceptor(), new LoggingInterceptor());

  const config = app.get<ConfigService<AppConfig, true>>(ConfigService);
  const port = config.get("PORT");
  const nodeEnv = config.get("NODE_ENV");

  const swaggerConfig = new DocumentBuilder()
    .setTitle(pkgName)
    .setDescription(`${pkgName} API`)
    .setVersion(pkgVersion)
    .build();

  const document = SwaggerModule.createDocument(app, swaggerConfig);
  SwaggerModule.setup("api", app, document);

  await app.listen(port);

  logger.log(
    `Application "${pkgName}" v${pkgVersion} running on port ${port} [${nodeEnv}]`,
  );
  logger.log(`Swagger UI available at http://localhost:${port}/api`);
  logger.log(`MCP endpoint available at http://localhost:${port}/mcp`);
}

bootstrap();