const express = require("express");
const { GracefulShutdownServer } = require("medusa-core-utils");

const loaders = require("@medusajs/medusa/dist/loaders/index").default;

(async () => {
  async function start() {
    const app = express();
    const directory = process.cwd();

    try {
      const { container, dbConnection } = await loaders({
        directory,
        expressApp: app,
      });

      const configModule = container.resolve("configModule");
      const port = process.env.PORT ?? configModule.projectConfig.port ?? 9000;

      const server = GracefulShutdownServer.create(
        app.listen(port, (err) => {
          if (err) {
            return;
          }
          console.log(`Server is ready on port: ${port}`);
        })
      );

      // Handle graceful shutdown
      const shutdown = async () => {
        await server.shutdown();
        await dbConnection.close();
      };

      process.on("SIGTERM", shutdown);
      process.on("SIGINT", shutdown);
    } catch (err) {
      console.error("Error starting server", err);
      process.exit(1);
    }
  }

  await start();
})();