/******************************
* 说明：Socket传输基类
* 创建人：龚宇超
* 创建日期：2018-01-23
* 修改人：
* 修改日期：
* 修改备注：
* 版本：1.0.0.0
******************************/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Lskj.SocketService;

namespace Lskj.SocketClient
{
    /// <summary>
    /// Socket传输基类
    /// </summary>
    public class ClientBaseSocket : SyncSocketInvokeElement
    {
        protected string _errorString;
        /// <summary>
        /// 用户名
        /// </summary>
        protected string _userName;
        /// <summary>
        /// 密码
        /// </summary>
        protected string _password;
        /// <summary>
        /// 错误码
        /// </summary>
        /// <value>The error string.</value>
        public string ErrorString { get { return _errorString; } }

        public ClientBaseSocket()
            : base()
        {
        }

        /// <summary>
        /// <para>说明：检查是否传输结果</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2018-01-24 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
        public bool CheckErrorCode()
        {
            int errorCode = 0;
            _incomingDataParser.GetValue(ProtocolKey.Code, ref errorCode);
            if (errorCode == ProtocolCode.Success)
                return true;
            else
            {
                _errorString = ProtocolCode.GetErrorCodeString(errorCode);
                return false;
            }
        }
        /// <summary>
        /// <para>说明：发送Active命令</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2018-01-24 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
        public bool DoActive()
        {
            try
            {
                _outgoingDataAssembler.Clear();
                _outgoingDataAssembler.AddRequest();
                _outgoingDataAssembler.AddCommand(ProtocolKey.Active);
                SendCommand();
                bool bSuccess = RecvCommand();
                if (bSuccess)
                    return CheckErrorCode();
                else
                    return false;
            }
            catch (Exception E)
            {
                //记录日志
                _errorString = E.Message; 
                return false;
            }
        }
        /// <summary>
        /// <para>说明：发送登录命令</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2018-01-24 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="userName">Name of the user.</param>
        /// <param name="password">The password.</param>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
        public bool DoLogin(string userName, string password)
        {
            try
            {
                _outgoingDataAssembler.Clear();
                _outgoingDataAssembler.AddRequest();
                _outgoingDataAssembler.AddCommand(ProtocolKey.Login);
                _outgoingDataAssembler.AddValue(ProtocolKey.UserName, userName);
                _outgoingDataAssembler.AddValue(ProtocolKey.Password, BasicFunc.MD5String(password));
                SendCommand();
                bool bSuccess = RecvCommand();
                if (bSuccess)
                {
                    bSuccess = CheckErrorCode();
                    if (bSuccess)
                    {
                        _userName = userName;
                        _password = password;
                    }
                    return bSuccess;
                }
                else
                    return false;
            }
            catch (Exception E)
            {
                //记录日志
                _errorString = E.Message;
                return false;
            }
        }
        /// <summary>
        /// <para>说明：检查连接是否存在，不存在则重连服务器</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2018-01-24 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
        public bool ReConnect()
        {
            if (_tcpClient.Connected && (!DoActive()))
                return true;
            else
            {
                if (!_tcpClient.Connected)
                {
                    try
                    {
                        Connect(_host, _port);
                        return true;
                    }
                    catch (Exception)
                    {
                        return false;
                    }
                }
                else
                    return true;
            }
        }
        /// <summary>
        /// <para>说明：检查连接是否存在，不存在则重连并登录</para>
        /// <para>创建人：龚宇超</para>
        /// <para>创建日期：2018-01-24 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
        public bool ReConnectAndLogin()
        {
            if (_tcpClient.Connected && (!DoActive()))
                return true;
            else
            {
                if (!_tcpClient.Connected)
                {
                    try
                    {
                        Disconnect();
                        Connect(_host, _port);
                        return DoLogin(_userName, _password);
                    }
                    catch (Exception E)
                    {
                        return false;
                    }
                }
                else
                    return true;
            }
        }
    }
}