using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.Networking;

public class web : MonoBehaviour
{
    public const string URL = "http://47.109.133.52";
    // 存储服务器返回的Cookie
    private static Dictionary<string, string> cookieJar = new Dictionary<string, string>();

    public static async Task<string> SendRequest(string url, string method = "GET", string jsonData = "{}")
    {
       
        using (UnityWebRequest request = new UnityWebRequest(url, method))
        {
            // 设置下载处理器
            request.downloadHandler = new DownloadHandlerBuffer();

            // 如果是POST请求，设置请求体
            if (method == "POST" && jsonData != null)
            {
                byte[] bodyRaw = Encoding.UTF8.GetBytes(jsonData);
                request.uploadHandler = new UploadHandlerRaw(bodyRaw);
                request.SetRequestHeader("Content-Type", "application/json");
            }

            // 设置已存储的 Cookie
            if (cookieJar.Count > 0)
            {
                string cookieHeader = "";
                foreach (var cookie in cookieJar)
                {
                    cookieHeader += $"{cookie.Key}={cookie.Value}; ";
                    
                }
                request.SetRequestHeader("Cookie", cookieHeader);
            }

            // 发送请求并等待响应
            var operation = request.SendWebRequest();
            while (!operation.isDone)
                await Task.Yield();

            if (request.result == UnityWebRequest.Result.ConnectionError || request.result == UnityWebRequest.Result.ProtocolError)
            {
                Debug.LogError($"Error: {request.error}");
                return null;
            }
            else
            {

                // 处理返回的Cookie
                string setCookieHeader;
                string str = request.downloadHandler.text;
                if (request.GetResponseHeaders().TryGetValue("Set-Cookie", out setCookieHeader))
                {
                    string[] cookies = setCookieHeader.Split(';');
                    foreach (var cookie in cookies)
                    {
                        var cookieParts = cookie.Split('=');
                        if (cookieParts.Length == 2)
                        {
                            string key = cookieParts[0].Trim();
                            string value = cookieParts[1].Trim();
                            cookieJar[key] = value;
                        }
                    }
                }

                // 返回响应内容
                return request.downloadHandler.text;
            }
        }
    }
}