using UnityEngine;
using UnityEngine.Networking;
using System.Net;
using System.Threading.Tasks;

public class HttpServer : MonoBehaviour
{
    private const string apiUrl = "http://localhost:8080/"; // 接口地址

    private HttpListener httpListener;

    private void Start()
    {
        StartHttpServer();
    }

    private async void StartHttpServer()
    {
        httpListener = new HttpListener();
        httpListener.Prefixes.Add(apiUrl);
        httpListener.Start();

        Debug.Log("HTTP server started.");

        while (httpListener.IsListening)
        {
            HttpListenerContext context = await httpListener.GetContextAsync();
            HandleRequest(context);
        }
    }

    private async void HandleRequest(HttpListenerContext context)
    {
        HttpListenerRequest request = context.Request;
        HttpListenerResponse response = context.Response;

        string responseString = "Hello from Unity!";

        // 处理请求逻辑，根据需要编写自定义的接口实现

        byte[] buffer = System.Text.Encoding.UTF8.GetBytes(responseString);
        response.ContentLength64 = buffer.Length;
        response.OutputStream.Write(buffer, 0, buffer.Length);
        response.OutputStream.Close();
    }

    private void OnDestroy()
    {
        if (httpListener != null && httpListener.IsListening)
        {
            httpListener.Stop();
            httpListener.Close();
        }
    }
}