server.ts

import { HttpRequest, HttpResponse, MiddlewareHandler } from "./types.ts";

export class Server {
  private middlewares: MiddlewareHandler[];
  constructor() {
    this.middlewares = [];
  }
  use(middleware: MiddlewareHandler) {
    this.middlewares.push(middleware);
  }
  handleRequest(req: HttpRequest) {
    const res: HttpResponse = { status: 200, body: "OK" };

    // Chain middlewares using recursive closure
    const runMiddleware = (index: number) => {
      if (index >= this.middlewares.length) return;

      const middleware = this.middlewares[index];
      middleware.process(req, res, () => runMiddleware(index + 1));
    };

    runMiddleware(0);
    return res;
  }
}