namespace IStation.DataDockingSocket
{
    /// <summary>
    /// app参数（可配制）
    /// </summary>
    public class AppParas
    {
        /// <summary>
        /// 指令发送间隔
        /// </summary>
        public int InstructionSendSpace { get; set; }

        /// <summary>
        /// 指令项列表
        /// </summary>
        public List<InstructionItem> InstructionItems { get; set; }

        /// <summary>
        /// 旧传输
        /// </summary>
        public Transfer OldTransfer { get; set; }

        /// <summary>
        /// 支持旧
        /// </summary>
        public bool SupportOld { get; set; }

        /// <summary>
        /// 是否保存原始
        /// </summary>
        public bool Src { get; set; }

        /// <summary>
        /// 是否调试
        /// </summary>
        public bool Debug { get; set; }

        /// <summary>
        /// 验证ModbusRtu 协议
        /// </summary>
        public static bool Verify(byte[] bts)
        {
            if (bts == null)
                return default;
            if (bts.Length < 6)
                return false;
            if (bts.Length - 5 != bts[2])
                return false;
            if (!ModBusRtuHelper.CheckReceivedMessage(bts))
                return false;
            return true;
        }

    }



    /// <summary>
    /// 解析规则枚举
    /// </summary>
    public enum eRule
    {
        /// <summary>
        /// 两个字节为一组，两组表示一个数据，通过得到的四个字节反转后，BitConvert.Single()获取值
        /// </summary>
        [Display(Name = "双字解析为浮点数", Description = "双字解析为浮点数 ")]
        Float = 1,

        /// <summary>
        /// 两个字节表示一个整数值，通过得到的2个字节反转后，BitConvert.ToInt16()获取值
        /// </summary>
        [Display(Name = "单字解析为整数", Description = "单字表示一个整数值")]
        Short = 2,

        /// <summary>
        /// 两个字节为一组，两组表示一个数据，通过得到的四个字节反转后，BitConverter.ToInt32();获取值
        /// </summary>
        [Display(Name = "双字解析为整数", Description = "双字表示一个整数值")]
        Int = 3,
    }

    /// <summary>
    /// 解析项
    /// </summary>
    public class RuleItem
    {
        /// <summary>
        /// 标记标识
        /// </summary>
        public string SignId { get; set; }

        /// <summary>
        /// 索引 从1开始
        /// </summary>
        public int Index { get; set; }

        /// <summary>
        /// 系数
        /// </summary>
        public double Ratio { get; set; }

        /// <summary>
        /// 解析规则
        /// </summary>
        public eRule Rule { get; set; }

    }

    /// <summary>
    /// 指令项
    /// </summary>
    public class InstructionItem
    {
        /// <summary>
        /// 指令
        /// </summary>
        public string Instruction { get; set; }

        /// <summary>
        /// 指令发送频率 秒
        /// </summary>	
        public int Frequency { get; set; }

        /// <summary>
        /// 解析项
        /// </summary>
        public List<RuleItem> RuleItems { get; set; }

        /// <summary>
        /// 验证
        /// </summary>
        public bool Verify(byte[] bts)
        {
            if (bts == null)
                return default;
            if (bts.Length < 6)
                return false;
            if (bts.Length - 5 != bts[2])
                return false;
            if (string.IsNullOrEmpty(this.Instruction))
                return default;

            var instruction = BitTransfer.FromString(this.Instruction);
            if (bts[0] == instruction[0])
            {
                if (bts[1] == instruction[1])
                {
                    //请求的数据字节数量
                    var requestDataCount = BitConverter.ToInt16(instruction.Skip(4).Take(2).Reverse().ToArray(), 0) * 2;
                    if (requestDataCount == bts[2])
                    {
                        return true;
                    }
                }
            }
            return default;
        }

    }

    /// <summary>
    /// 传输
    /// </summary>
    public class Transfer
    {
        /// <summary>
        /// 注册码
        /// </summary>
        public string RegisterCode { get; set; }

        /// <summary>
        /// 传输Url
        /// </summary>
        public string TransferUrl { get; set; }
    }
}