import { serve } from "https://deno.land/std@v0.58.0/http/server.ts";
import { Context } from "./context.ts";
import { Router } from "./router/router.ts";
import { Middleware } from "./middlewares/middleware.ts";

type ServerConfig = {
  port?: number;
  log?: boolean;
};

export class Application {
  private log: boolean;
  private port: number = 3000;
  private server: any;
  private router: any;
  private middlewares: Middleware[] = [];
  constructor(serverConfig?: ServerConfig) {
    this.port = serverConfig?.port || 80;
    this.log = serverConfig?.log ? true : false;
    this.router = new Router();
  }

  start(port: number = this.port) {
    this.server = serve({ port });
    if (this.log) console.log(`Server Listening on Port ${port}`);
    this.listen();
  }

  use(...middlewares: Middleware[]) {
    this.middlewares.push(...middlewares);
  }

  get(...params: any) {
    this.router.get(...params);
    return this;
  }

  post(...params: any) {
    this.router.post(...params);
    return this;
  }

  put(...params: any) {
    this.router.put(...params);
    return this;
  }

  delete(...params: any) {
    this.router.delete(...params);
    return this;
  }

  private async listen() {
    for await (const request of this.server) {
      for (const middleware of this.middlewares) {
        await middleware(new Context(request));
      }
      this.router.handleRequest(request, this.log);
    }
  }
}