using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net.Sockets;
using System.Configuration;
using System.Net;
using QMAPP.FJC.BLL.Operation;

namespace AirbagSupportPackageService
{
    public class RecieveData
    {
        TcpListener tcpsever = null;

        public event AirbagSupportPackageService.LeafEvent.DataReceivedHandler DataReceived;

        /// <summary>
        /// 开启TCP监听
        /// </summary>
        /// <returns></returns>
        public void StartTCPServer()
        {
            try
            {
                string serverIP = ConfigurationManager.AppSettings["ServerIP"];
                string port = ConfigurationManager.AppSettings["Port"];
                tcpsever = new TcpListener(IPAddress.Parse(serverIP), Convert.ToInt32(port));
                tcpsever.Start();
                tcpsever.BeginAcceptTcpClient(new AsyncCallback(Acceptor), tcpsever);
            }
            catch (Exception ex)
            {
                WriteLog.Write(ex.Message);
            }
        }

        public void StopTCPServer()
        {
            tcpsever.Stop();
        }


        private void Acceptor(IAsyncResult o)
        {
            TcpListener server = o.AsyncState as TcpListener;
            try
            {
                //初始化连接的客户端
                LeafTCPClient newClient = new LeafTCPClient();
                newClient.NetWork = server.EndAcceptTcpClient(o);
                //string barcode = newClient.Name;
                newClient.NetWork.GetStream().BeginRead(newClient.buffer, 0, newClient.buffer.Length, new AsyncCallback(TCPCallBack), newClient);
                server.BeginAcceptTcpClient(new AsyncCallback(Acceptor), server);//继续监听客户端连接
            }
            catch (ObjectDisposedException ex)
            { //监听被关闭
            }
            catch (Exception ex)
            {
                WriteLog.Write(ex.Message);
                //MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void TCPCallBack(IAsyncResult ar)
        {
            try
            {

                LeafTCPClient client = (LeafTCPClient)ar.AsyncState;
                if (client.NetWork.Connected)
                {

                    NetworkStream ns = client.NetWork.GetStream();
                    byte[] recdata = new byte[ns.EndRead(ar)];
                    string barCode = new ASCIIEncoding().GetString(recdata);

                    if (recdata.Length > 0)
                    {
                        Array.Copy(client.buffer, recdata, recdata.Length);

                        barCode = new ASCIIEncoding().GetString(recdata);
                        barCode = barCode.Replace(" ", "").ToString();

                        try
                        {
                            WriteLog.Write(System.DateTime.Now.ToString() + ":" + barCode);
                            if (string.IsNullOrEmpty(barCode) == false && barCode.Length > 5)
                            {
                                ProductBLL productbll = new ProductBLL();
                                productbll.InsertAirbagSupportPackage(barCode);
                            }
                        }
                        catch (Exception ex)
                        {
                            WriteLog.Write(ex.Message);
                        }

                        if (DataReceived != null)
                        {
                            DataReceived.BeginInvoke(client.Name, recdata, null, null);//异步输出数据
                        }
                        ns.BeginRead(client.buffer, 0, client.buffer.Length, new AsyncCallback(TCPCallBack), client);
                    }
                    else
                    {
                        client.DisConnect();
                    }
                }
            }
            catch (Exception ex)
            {
                WriteLog.Write(ex.Message);
            }

        }
    }
}