using SKMC.Api.Common;
using SKMC.Api.Common.Tcp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SKMC.Api.Device.Adapter.Vision
{
    /// <summary>
    /// 视觉客户端通用基类
    /// </summary>
    public class SKVisionClientBase
    {
        protected static readonly ILogger log = LogFactory.Get();

        public string Address { get; set; } = "127.0.0.1";

        public int Port { get; set; }

        public int TIMEOUT { get; set; } = 5000;

        // 测试模式(空跑模式)下, 不等待接收响应
        public bool TestMode { get; set; } = false;

        // 是否开启
        public bool Enabled { get; set; } = true;

        // 是否运行中, 结束运行可放弃等待服务端响应数据
        public bool Running { get; set; }

        private TCPClient client;


        public SKVisionClientBase(int port, int timeout)
        {
            //Enabled = Process_Vision_Enabled == 1;
            //Address = Vision_Address;
            TIMEOUT = timeout;
            Port = port;
            client = new TCPClient(Address, Port) { KeepAlived = true };
        }

        /// <summary>
        /// 保持连接, 如果连接已中断则重新连接
        /// </summary>
        /// <param name="mills">验证连接的超时时间(ms)</param>
        /// <returns></returns>
        public TCPClient Connect(int mills)
        {
            if (!Enabled) return null;
            if (!client.IsConnected(mills))
            {
                client.Connect();
            }
            return client;
        }

        /// <summary>
        /// 连接新的连接
        /// </summary>
        /// <returns></returns>
        public TCPClient Connect()
        {
            if (!Enabled) return null;
            if (client != null) client.Connect();
            return client;
        }

        public void Reset(int index)
        {
            if (client != null) client.Clear();
            Running = false;
        }

        /// <summary>
        /// 请求并获取结果
        /// 请求后阻塞获取确认消息
        /// </summary>
        /// <param name="requestMsg">请求消息</param>
        /// <param name="responseAction">响应结果解析</param>
        /// <returns></returns>
        public void Request(string requestMsg, Action<string> responseAction = null)
        {
            try
            {
                client = Connect(100);
                Reset(0);
            }
            catch (Exception e)
            {
                throw new VisionException { Type = VisionException.Conn_Fail, Source = e.Message };
            }
            try
            {
                client.Send(requestMsg);
            }
            catch (Exception e)
            {
                log.Error("send failed", e);
                client = Connect();
                client.Send(requestMsg);
            }
            string response = null;
            try
            {
                response = client.Recevie();
            }
            catch (Exception e)
            {
                log.Error(e.Message);
                throw new VisionException { Type = VisionException.Receive_Timeout, Source = e.Message };
            }

            try
            {
                responseAction?.Invoke(response);
            }
            catch (Exception e)
            {
                log.Error(e.Message);
                throw new VisionException { Type = VisionException.Parse_Error, Source = e.Message };
            }
        }

        /// <summary>
        /// 请求不获取结果
        /// 请求后不阻塞获取确认消息
        /// </summary>
        /// <param name="requestMsg">请求消息</param>
        /// <returns></returns>
        public void Request(string requestMsg, bool isOnlySend = true)
        {
            try
            {
                client = Connect(100);
                Reset(0);
            }
            catch (Exception e)
            {
                log.Error(e.Message);
                throw new VisionException { Type = VisionException.Conn_Fail, Source = e.Message };
            }
            try
            {
                client.Send(requestMsg);
            }
            catch (Exception e)
            {
                log.Error("send failed", e);
                client = Connect();
                client.Send(requestMsg);
            }
        }

        public string GetResult()
        {
            try
            {
                return client.Recevie();
            }
            catch (Exception e)
            {
                log.Error(e.Message);
                throw new VisionException { Type = VisionException.Receive_Timeout, Source = e.Message };
            }
        }
    }
}