import "./telemetry/otel";
import { NestFactory } from "@nestjs/core";
import { Module } from "@nestjs/common";
import { AppModule } from "./app.module";
import { FeedsModule } from "./feeds/feeds.module";
import { ArchiveModule } from "./archive/archive.module";
import { logger } from "./telemetry/logger";

@Module({ imports: [AppModule, ArchiveModule, FeedsModule] })
class RootModule {}

/** Browser origins allowed to call the API (comma-separated). Defaults cover the dev web server on :3001. */
function corsOrigins(): string[] {
  const configured = process.env.CORS_ORIGINS;
  if (configured !== undefined && configured.trim() !== "") return configured.split(",").map((o) => o.trim());
  return ["http://localhost:3001", "http://127.0.0.1:3001", "http://localhost:3000", "http://127.0.0.1:3000"];
}

async function bootstrap(): Promise<void> {
  const app = await NestFactory.create(RootModule, {
    logger: ["error", "warn"],
    abortOnError: false,
  });
  // Sessions use bearer tokens; OAuth callbacks also bind the initiating browser with an HttpOnly cookie.
  app.enableCors({
    origin: corsOrigins(),
    credentials: true,
    methods: ["GET", "POST", "PATCH", "DELETE"],
    allowedHeaders: ["Authorization", "Content-Type"],
  });
  const port = Number(process.env.PORT ?? 3000);
  app.enableShutdownHooks();
  await app.listen(port);
  logger.info({ port }, "api listening");
}

void bootstrap().catch((error: unknown) => {
  console.error("api bootstrap failed", error);
  process.exitCode = 1;
});