using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using UnityEngine;
using UnityEngine.Networking;

namespace NBF
{
    [Serializable]
    public class HttpResult
    {
        public int Code { get; set; }
        public JToken Data { get; set; }
    }

    public class Net : MonoBehaviour
    {
        private string serverUrl = "http://localhost:8080";
        private string serverPassword = "";

        public static Net Instance { get; private set; }


        private void Awake()
        {
            Instance = this;
        }

        public void SetServer(string server, string password)
        {
            if (!(server.StartsWith("http://") || server.StartsWith("https://")))
            {
                server = "http://" + server;
            }

            if (server.EndsWith("/"))
            {
                server = server.Substring(0, server.Length - 1);
            }
            else if (server.EndsWith("\\"))
            {
                server = server.Substring(0, server.Length - 1);
            }

            serverUrl = server;
            serverPassword = password;
        }


        #region Post

        public void Send(string action, Dictionary<string, string> form, Action<HttpResult> callback = null)
        {
            StartCoroutine(SendYield(action, form, callback));
        }

        private IEnumerator SendYield(string action, Dictionary<string, string> form,
            Action<HttpResult> callback = null)
        {
            if (form == null)
            {
                form = new Dictionary<string, string>();
            }

            var url = serverUrl + action;
            form["sign"] = serverPassword;
            UnityWebRequest request = UnityWebRequest.Post(url, form);
            request.downloadHandler = new DownloadHandlerBuffer();


            // 4️⃣ 发送
            yield return request.SendWebRequest();

            // 5️⃣ 处理结果
            if (request.result != UnityWebRequest.Result.Success)
            {
                Debug.LogError(request.error);
                callback?.Invoke(new HttpResult()
                {
                    Code = -1,
                    Data = request.error
                });
            }
            else
            {
                Debug.Log("Response: " + request.downloadHandler.text);
                var result = JsonConvert.DeserializeObject<HttpResult>(request.downloadHandler.text);
                callback?.Invoke(result);
            }
        }

        #endregion
    }
}