using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using Stary.Evo;
using UnityEngine;

namespace Main
{
    public interface IClientSocketSystem : ISystem
    {
        /// <summary>
        ///     连接
        /// </summary>
        void OnConnect(string ip);

        /// <summary>
        ///     向服务端发送消息
        /// </summary>
        /// <param name="type">消息类型</param>
        /// <param name="message">消息内容</param>
        void Send(SocketEvent type, string message);


        /// <summary>
        ///     断开连接
        /// </summary>
        void DisConnect();
    }


    public class ClientSocketSystem : AbstractSystem, IClientSocketSystem
    {
        private SocketClient _socketClient;

        public override void Dispose()
        {
            // 注意由于Unity编译器环境下，游戏开启/关闭只影响主线程的开关，游戏关闭回调时需要通过Close函数来关闭服务端/客户端的线程。
            if (_socketClient != null) _socketClient.Close();
        }

        /// <summary>
        ///     向服务端发送消息
        /// </summary>
        /// <param name="type">消息类型</param>
        /// <param name="message">消息内容</param>
        public void Send(SocketEvent type, string message)
        {
            var bytes = Encoding.UTF8.GetBytes(message);
            _socketClient.Send((ushort)type, bytes);
        }


        /// <summary>
        ///     退出服务端
        /// </summary>
        public void DisConnect()
        {
            // 踢出连接
            _socketClient.DisConnect();
        }

        public void OnConnect(string ip)
        {
            _socketClient = new SocketClient(ip, 10000);


            _socketClient.Connect(() =>
            {
                Debug.Log("连接成功");
                _socketClient.OnReceive += OnReceive;
                // _client.DisConnect();
            }, () => { Debug.Log("连接失败"); });
        }

        public void Connect()
        {
        }

        protected override void OnInit()
        {
        }

        /// <summary>
        ///     接收客户端消息
        /// </summary>
        /// <param name="client">指定客户端</param>
        /// <param name="data">消息数据</param>
        private void OnReceive(SocketDataPack data)
        {
            Debug.LogFormat("接收到数据>>>{0} {1}", (SocketEvent)data.Type, data.Buff.Length);

            switch ((SocketEvent)data.Type)
            {
                case SocketEvent.ServerMessage:
                    Debug.LogFormat("接收到服务器数据 >>> {0}", Encoding.UTF8.GetString(data.Data));
                    var message = Encoding.UTF8.GetString(data.Data);

                    break;
                case SocketEvent.ClientDisconn:

                    break;
            }
        }


        public string GetLocalIPv4()
        {
            return Dns.GetHostEntry(Dns.GetHostName())
                .AddressList.First(f => f.AddressFamily == AddressFamily.InterNetwork)
                .ToString();
        }
    }
}