using ShadowStudio.UI;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Runtime.CompilerServices;
using UnityEngine;
using UnityEngine.Events;
using XRTool.Util;

namespace LGS.Common_20200526
{
    public class NetStatus : MonoBehaviour
    {

        private static NetStatus mInstant;
        public  static NetStatus Instant {
                get {
                
                return mInstant;
            }
        }
        string m_ReachabilityText = "";             
        string netStatus="";
        bool isOne = false;

        private event Action<NetworkReachability, NetworkReachability> NetWorkChangeCallBack;
      
        private NetworkReachability preNetWorkStatus = NetworkReachability.NotReachable;

        private void Awake()
        {
            if (mInstant != null) {
                DestroyImmediate(gameObject);
                return;
            }
            mInstant = this;
            DontDestroyOnLoad(gameObject);
        }
        private void Start()
        {
            //jo = new AndroidJavaObject("com.lgs.unitylibrary2.currentNetSpeed");            
            //preNetWorkStatus = Application.internetReachability;

            //jo.Call("NetStart");
            SCGetNetStatus();
            StartCoroutine(GetNetSpeedAndstatus());
        }
        void Update()
        {
            if (isOne == false)
            {
                preNetWorkStatus = Application.internetReachability;
                // Debug.Log(GetType().ToString() + "赋值：" + preNetWorkStatus);
                isOne = true;
            }
            if (preNetWorkStatus != Application.internetReachability)
            {              
                if (NetWorkChangeCallBack != null)
                {                  
                    NetWorkChangeCallBack(preNetWorkStatus, Application.internetReachability);
                }
                preNetWorkStatus = Application.internetReachability;
            }


        }

        private void OnDestroy()
        {
            StopCoroutine(GetNetSpeedAndstatus());
            m_ReachabilityText = null;
        }


        /// <summary>
        /// 注册网络状态变化时触发事件，第一个参数为变化前的网络状态
        /// 第二个参数为变化后的网络状态
        /// </summary>
        /// <param name="callback"></param>
        public  void RegisterNetWorkChangeCallBack(Action<NetworkReachability, NetworkReachability> callback)
        {
            NetWorkChangeCallBack += callback;
        }

        public string  SCGetNetStatus()//获取网络状态
        {
            //Check if the device cannot reach the internet
            if (Application.internetReachability == NetworkReachability.NotReachable)//网络无法连接
            {
                //Change the Text
                m_ReachabilityText = "NoNetWork";
            }
            //Check if the device can reach the internet via a carrier data network
            else if (Application.internetReachability == NetworkReachability.ReachableViaCarrierDataNetwork)//网络可通过由运营商数据网络访问
            {
                m_ReachabilityText = "3G/4GNetWork";
            }
            //Check if the device can reach the internet via a LAN
            else if (Application.internetReachability == NetworkReachability.ReachableViaLocalAreaNetwork)//网络可通过WIFI或电缆访问
            {
                m_ReachabilityText = "WifiOrCableNetWork";
            }
            return m_ReachabilityText;
        }
        bool isPop;
        private IEnumerator GetNetSpeedAndstatus()//每经过1秒执行一次
        {
            while (true)
            {
                yield return new WaitForSecondsRealtime(1f);
                string status = SCGetNetStatus();
                switch (status)
                {
                    case "NoNetWork":
                        if(!isPop)
                        {
                            CommonMethod.ShowNetworkAnomalyPop(() => {
                                isPop = false;
                            }).GetComponent<BasePop>().OnClose(()=> {
                                isPop = false;
                            });
                        }
                        isPop = true;
                        break;
                    case "WifiOrCableNetWork":
                        break;
                }
            }
        }
    }
}