//PLC参数管理类
using MvvmScaffoldFrame48.DLL.AlarmTools;
using MvvmScaffoldFrame48.DLL.LogTools;
using MvvmScaffoldFrame48.Model.StorageModel.PlcParameter;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MvvmScaffoldFrame48.DLL.CommunicationTools
{
    public class PlcCommunManager
    {
        #region 变量
        private bool isConnect = false;
        public bool IsConnect
        {
            get
            {
                return isConnect ? modbusTcpClient.IsTcpClientConnected() : isConnect;
            }
        }

        private string IpAddress = "127.0.0.1";
        #endregion

        #region 实例
        public static PlcCommunManager Instance => _instance;
        private static PlcCommunManager _instance = new PlcCommunManager();
        // 寄存器位掩码
        private static readonly ConcurrentDictionary<int, ushort> BitMasks = new ConcurrentDictionary<int, ushort>
        {
            [0] = (ushort)(1 << 0),
            [1] = (ushort)(1 << 1),
            [2] = (ushort)(1 << 2),
            [3] = (ushort)(1 << 3),
            [4] = (ushort)(1 << 4),
            [5] = (ushort)(1 << 5),
            [6] = (ushort)(1 << 6),
            [7] = (ushort)(1 << 7),
            [8] = (ushort)(1 << 8),
            [9] = (ushort)(1 << 9),
            [10] = (ushort)(1 << 10),
            [11] = (ushort)(1 << 11),
            [12] = (ushort)(1 << 12),
            [13] = (ushort)(1 << 13),
            [14] = (ushort)(1 << 14),
            [15] = (ushort)(1 << 15),
        };
        // 寄存器信息
        public static readonly ConcurrentDictionary<string, PlcParameterModel> RegisterMap = new ConcurrentDictionary<string, PlcParameterModel>
        {
            ["test1"] = new PlcValueBitParameterModel(0, 0),
            ["test2"] = new PlcInt32ParameterModel(1),
            ["test3"] = new PlcDouble64ParameterModel(3)
        };
        private ModbusTcpClient modbusTcpClient = new ModbusTcpClient();
        #endregion

        #region 构造方法
        private PlcCommunManager()
        {
            ConnectModbus(IpAddress);
        }
        #endregion

        #region 私有方法
        private void ConnectModbus(string ipAddress)
        {
            int i = 10;
            while (!modbusTcpClient.Connect(ipAddress) && i > 0)
            {
                isConnect = false;
                //SystemAlarm.AlarmAlert(AlarmMessageList.PLC通讯连接失败, $"Modbus通讯连接失败,目标IP:{ipAddress}", "DLL:MainThreadClass-ConnectModbus");
                SystemAlarm.AlarmAlert(AlarmMessageList.PLC通讯连接失败,
                    $"PLC communication connection failed, target IP:{ipAddress}",
                    $"PLC通讯连接失败, IP地址:{ipAddress}",
                    "DLL:MainThreadClass-ConnectModbus");
                i--;
                Task.Delay(1000);
            }
            if (modbusTcpClient.Connect(ipAddress))
            {
                SystemAlarm.AlarmCancel(AlarmMessageList.PLC通讯连接失败);
                TxtLog.log("PLC通讯成功", 6);
                //FaultLog.RecordLogMessage($"Modbus通讯连接成功,目标IP:{ipAddress}", 6);
                isConnect = true;
            }
        }
        #endregion

        #region 共有方法


        /// <summary>
        /// 根据参数模型读取数据
        /// </summary>
        public object ReadParameter(PlcParameterModel param)
        {
            // 1. 根据 Address 和 Length 从 PLC/Modbus 读取原始字节数组或寄存器数组
            // byte[] rawData = ModbusClient.ReadRegisters(param.Address, param.Length);

            switch (param.Type)
            {
                case PlcDataType.ValueBit: // ValueBit
                    if (param is PlcValueBitParameterModel bitParam)
                    {
                        // 读取一个字节的位，并根据 bitAddress 提取特定位
                        // return GetBitFromByte(rawData, bitParam.bitAddress);
                        return true; // 示例返回
                    }
                    break;

                case PlcDataType.Int32: // Int32
                    if (param is PlcInt32ParameterModel intParam)
                    {
                        // 读取2个寄存器 (4字节)，转换为 Int32
                        // int value = BitConverter.ToInt32(rawData, 0);

                        // 可选：进行范围检查
                        // if (value > intParam.MaxValue || value < intParam.MinValue) { ... }

                        return 123; // 示例返回
                    }
                    break;

                case PlcDataType.Double: // Double
                    if (param is PlcDouble64ParameterModel doubleParam)
                    {
                        // 读取4个寄存器 (8字节)，转换为 Double
                        // double value = BitConverter.ToDouble(rawData, 0);
                        return 36.5; // 示例返回
                    }
                    break;
            }
            return null;
        }
        #endregion
    }
}