import { handleMcpRequest } from "./protocol/handler";
import { serverCard } from "./protocol/metadata";

const PORT = process.env.MCP_PORT || 4006;

const server = Bun.serve({
  port: PORT as number | string,
  idleTimeout: 0,
  routes: {
    // MCP metadata discovery endpoint
    "/.well-known/mcp/server-card.json": new Response(
      JSON.stringify(serverCard),
      {
        headers: { "Content-Type": "application/json" },
      },
    ),

    // MCP JSON-RPC 2.0 protocol endpoint
    "/mcp": async (req: Request) => {
      if (req.method === "POST") {
        return await handleMcpRequest(req);
      }
      return Response.json(
        { message: "MCP endpoint requires POST request" },
        { status: 405 },
      );
    },
  },

  // Fallback for all other routes
  fetch(_req: Request) {
    return new Response("Not Found", { status: 404 });
  },
});

console.log(`MCP Server running on ${server.hostname}:${server.port}`);