using System;

namespace Curtain.Net.Sockets.PLC
{
    /// <summary>
    /// PLC报文类型
    /// </summary>
    public enum PLCMessageType
    {
        /// <summary>
        /// 其他
        /// </summary>
        Other = -1,
        /// <summary>
        /// 发送命令
        /// </summary>
        Send = 0,
        /// <summary>
        /// 读取PLC
        /// </summary>
        Read = 1,
        /// <summary>
        /// 写入PLC
        /// </summary>
        Write = 2,
        /// <summary>
        /// 连接后第一次握手（西门子S7-1200）
        /// </summary>
        SocketConnect1 = 11,
        /// <summary>
        /// 连接后第二次握手（西门子S7-1200）
        /// </summary>
        SocketConnect2 = 12,
    }

    /// <summary>
    /// PLC报文
    /// </summary>
    [Serializable]
    public class PLCMessage
    {
        /// <summary>
        /// PLC报文
        /// </summary>
        public PLCMessage() : this(PLCMessageType.Send)
        {
        }

        /// <summary>
        /// PLC报文
        /// </summary>
        /// <param name="messageType">报文类型</param>
        public PLCMessage(PLCMessageType messageType)
        {
            MessageType = messageType;
        }

        /// <summary>
        /// 主机地址
        /// </summary>
        public string Host
        {
            get;
            internal set;
        }

        /// <summary>
        /// 主机端口
        /// </summary>
        public int Port
        {
            get;
            internal set;
        }

        /// <summary>
        /// 报文类型
        /// </summary>
        public PLCMessageType MessageType
        {
            get;
        }

        /// <summary>
        /// PLC软元件代码
        /// </summary>
        public string Code
        {
            get;
            set;
        }

        /// <summary>
        /// PLC软元件编码
        /// </summary>
        public string Number
        {
            get;
            set;
        }

        /// <summary>
        /// PLC软元件点数
        /// </summary>
        public int Length
        {
            get;
            set;
        }

        /// <summary>
        /// 命令报文
        /// </summary>
        public string Command
        {
            get;
            set;
        }

        //public string Result
        //{
        //    get;
        //    set;
        //}

        /// <summary>
        /// 响应报文-头
        /// </summary>
        public string Head
        {
            get;
            set;
        }

        /// <summary>
        /// 响应报文-文本
        /// </summary>
        public string Content
        {
            get;
            set;
        }

        /// <summary>
        /// PLC处理是否返回错误
        /// </summary>
        public bool PLCError
        {
            get;
            set;
        }

        /// <summary>
        /// 命令报文
        /// </summary>
        [NonSerialized]
        public byte[] CommandBytes;

        //[NonSerialized]
        //public byte[] ResultByte;

        /// <summary>
        /// 响应报文-头
        /// </summary>
        [NonSerialized]
        public byte[] HeadBytes;

        /// <summary>
        /// 响应报文-文本
        /// </summary>
        [NonSerialized]
        public byte[] ContentBytes;
    }

    /// <summary>
    /// PLC报文
    /// </summary>
    [Serializable]
    public class PLCMessage<TValue> : PLCMessage
    {
        /// <summary>
        /// PLC报文
        /// </summary>
        public PLCMessage() : this(PLCMessageType.Send)
        {
        }

        /// <summary>
        /// PLC报文
        /// </summary>
        /// <param name="messageType">报文类型</param>
        public PLCMessage(PLCMessageType messageType) : base(messageType)
        {
        }

        /// <summary>
        /// 读取或写入值
        /// </summary>
        public TValue Value
        {
            get;
            set;
        }
    }

    /// <summary>
    /// PLC报文
    /// </summary>
    /// <typeparam name="TValue"></typeparam>
    /// <typeparam name="TAddress"></typeparam>
    public class PLCMessage<TValue, TAddress> : PLCMessage<TValue>
    {
        /// <summary>
        /// PLC报文
        /// </summary>
        public PLCMessage() : this(PLCMessageType.Send)
        {
        }

        /// <summary>
        /// PLC报文
        /// </summary>
        /// <param name="messageType">报文类型</param>
        public PLCMessage(PLCMessageType messageType) : base(messageType)
        {
        }

        /// <summary>
        /// PLC地址对象
        /// </summary>
        public TAddress AddressData
        {
            get;
            set;
        }
    }
}