import "dotenv/config";
import { createServer } from "node:http";
import { Server } from "socket.io";
import type {
  ServerToClientEvents,
  ClientToServerEvents,
  InterServerEvents,
  SocketData,
} from "@storybid/shared";

import { app } from "./app.js";
import { registerSocketHandlers } from "./socket/index.js";
import { startScheduler } from "./services/scheduler.js";
import { prisma } from "./lib/prisma.js";

const PORT = parseInt(process.env["PORT"] ?? "3001", 10);

const httpServer = createServer(app);

export const io = new Server<
  ClientToServerEvents,
  ServerToClientEvents,
  InterServerEvents,
  SocketData
>(httpServer, {
  cors: {
    origin: process.env["NODE_ENV"] === "production"
      ? [process.env["PUBLIC_URL"] ?? "", process.env["CLIENT_URL"] ?? ""]
      : "*",
    credentials: true,
  },
});

registerSocketHandlers(io);
startScheduler(io);

httpServer.listen(PORT, () => {
  console.log(`[server] listening on http://localhost:${PORT}`);
  console.log(`[server] NODE_ENV=${process.env["NODE_ENV"] ?? "development"}`);
});

// Graceful shutdown
const shutdown = async () => {
  console.log("[server] shutting down…");
  await prisma.$disconnect();
  httpServer.close(() => process.exit(0));
};

process.on("SIGTERM", shutdown);
process.on("SIGINT", shutdown);