using Common.Attributes;
using DeviceCommand.Base;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DeviceCommand.Device
{
    [BOBCommand]
    public class EAEL9080:ModbusTcp
    {
        public EAEL9080()
        {
            ConfigureDevice("127.0.0.1", 502, 3000, 3000);
            ConnectAsync();
        }
        #region 一、基础控制与远程模式寄存器
        public async Task SetRemoteControlAsync(bool activate, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(activate ? 0xFF00 : 0x0000);
            await WriteSingleRegisterAsync(slaveAddress, 402, value, ct);
        }

        public async Task SetOutputAsync(bool on, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(on ? 0xFF00 : 0x0000);
            await WriteSingleRegisterAsync(slaveAddress, 405, value, ct);
        }

        public async Task SetWorkModeAsync(bool useResistanceMode, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(useResistanceMode ? 0xFF00 : 0x0000);
            await WriteSingleRegisterAsync(slaveAddress, 409, value, ct);
        }

        public async Task ResetAlarmAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            await WriteSingleRegisterAsync(slaveAddress, 411, 0xFF00, ct);
        }

        public async Task WriteUserTextAsync(string text, byte slaveAddress = 1, CancellationToken ct = default)
        {
            if (string.IsNullOrEmpty(text)) return;

            text = text.Length > 40 ? text[..40] : text;
            int frameCount = (int)Math.Ceiling(text.Length / 4.0);

            for (int i = 0; i < frameCount; i++)
            {
                string frame = text.Substring(i * 4, Math.Min(4, text.Length - i * 4));
                ushort[] values = new ushort[frame.Length];
                for (int j = 0; j < frame.Length; j++)
                {
                    values[j] = frame[j];
                }
                await WriteMultipleRegistersAsync(slaveAddress, (ushort)(171 + i), values, ct);
            }
        }
        public async Task<bool> QueryRemoteControlAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] result = await ReadHoldingRegistersAsync(slaveAddress, 402, 1, ct);
            return result[0] == 0xFF00;
        }

        public async Task<bool> QueryOutputAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] result = await ReadHoldingRegistersAsync(slaveAddress, 405, 1, ct);
            return result[0] == 0xFF00;
        }

        public async Task<bool> QueryWorkModeAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] result = await ReadHoldingRegistersAsync(slaveAddress, 409, 1, ct);
            return result[0] == 0xFF00; // true 表示 UIR（电阻模式），false 表示 UIP
        }

        public async Task<ushort[]> ReadUserTextAsync(byte slaveAddress = 1, int length = 40, CancellationToken ct = default)
        {
            int frameCount = (int)Math.Ceiling(length / 4.0);
            ushort[] textValues = new ushort[length];

            for (int i = 0; i < frameCount; i++)
            {
                ushort[] frame = await ReadHoldingRegistersAsync(slaveAddress, (ushort)(171 + i), 4, ct);
                for (int j = 0; j < frame.Length && (i * 4 + j) < length; j++)
                {
                    textValues[i * 4 + j] = frame[j];
                }
            }

            return textValues;
        }
        #endregion

        #region 二、电压 / 电流 / 功率 / 电阻设定值寄存器

        public async Task SetVoltageAsync(double voltage, double ratedVoltage, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(voltage / ratedVoltage * 0xCCCC);
            await WriteSingleRegisterAsync(slaveAddress, 500, value, ct);
        }

        public async Task<double> GetVoltageAsync(double ratedVoltage, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 500, 1, ct);
            return reg[0] / (double)0xCCCC * ratedVoltage;
        }

        public async Task SetCurrentAsync(double current, double ratedCurrent, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(current / ratedCurrent * 0xCCCC);
            await WriteSingleRegisterAsync(slaveAddress, 501, value, ct);
        }

        public async Task<double> GetCurrentAsync(double ratedCurrent, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 501, 1, ct);
            return reg[0] / (double)0xCCCC * ratedCurrent;
        }

        public async Task SetPowerAsync(double power, double ratedPower, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(power / ratedPower * 0xCCCC);
            await WriteSingleRegisterAsync(slaveAddress, 502, value, ct);
        }

        public async Task<double> GetPowerAsync(double ratedPower, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 502, 1, ct);
            return reg[0] / (double)0xCCCC * ratedPower;
        }

        public async Task SetResistanceAsync(double resistance, double maxResistance, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(resistance / maxResistance * 0xCCCC);
            await WriteSingleRegisterAsync(slaveAddress, 503, value, ct);
        }

        public async Task<double> GetResistanceAsync(double maxResistance, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 503, 1, ct);
            return reg[0] / (double)0xCCCC * maxResistance;
        }

        // sink 模式示例写方法
        public async Task SetSinkPowerAsync(double power, double sinkRatedPower, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(power / sinkRatedPower * 0xCCCC);
            await WriteSingleRegisterAsync(slaveAddress, 498, value, ct);
        }

        public async Task SetSinkCurrentAsync(double current, double sinkRatedCurrent, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(current / sinkRatedCurrent * 0xCCCC);
            await WriteSingleRegisterAsync(slaveAddress, 499, value, ct);
        }

        public async Task SetSinkResistanceAsync(double resistance, double sinkMaxResistance, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(resistance / sinkMaxResistance * 0xCCCC);
            await WriteSingleRegisterAsync(slaveAddress, 504, value, ct);
        }

        // 读方法
        public async Task<double> GetSinkPowerAsync(double sinkRatedPower, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 498, 1, ct);
            return reg[0] / (double)0xCCCC * sinkRatedPower;
        }

        public async Task<double> GetSinkCurrentAsync(double sinkRatedCurrent, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 499, 1, ct);
            return reg[0] / (double)0xCCCC * sinkRatedCurrent;
        }

        public async Task<double> GetSinkResistanceAsync(double sinkMaxResistance, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 504, 1, ct);
            return reg[0] / (double)0xCCCC * sinkMaxResistance;
        }


        #endregion

        #region 三、设备状态与实际值查询寄存器

        /// <summary>
        /// 读取设备状态寄存器（32 位）
        /// Bit 7：DC 输出/输入开启
        /// Bit 10：远程控制激活
        /// Bit 12：sink 模式
        /// </summary>
        public async Task<uint> ReadDeviceStatusAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 505, 2, ct); // 32位寄存器 = 2 x 16位
            return (uint)(reg[0] << 16 | reg[1]);
        }

        public async Task<bool> IsDcOnAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            uint status = await ReadDeviceStatusAsync(slaveAddress, ct);
            return (status & (1 << 7)) != 0;
        }

        public async Task<bool> IsRemoteActiveAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            uint status = await ReadDeviceStatusAsync(slaveAddress, ct);
            return (status & (1 << 10)) != 0;
        }

        public async Task<bool> IsSinkModeActiveAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            uint status = await ReadDeviceStatusAsync(slaveAddress, ct);
            return (status & (1 << 12)) != 0;
        }

        /// <summary>
        /// 读取实际电压值（单位 V）
        /// 公式: 实际值 = 寄存器值 / 0xCCCC * 额定电压
        /// </summary>
        public async Task<double> ReadActualVoltageAsync(double ratedVoltage, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 507, 1, ct);
            return reg[0] / (double)0xCCCC * ratedVoltage;
        }

        /// <summary>
        /// 读取实际电流值（单位 A）
        /// sink 模式下可能为负值，需要根据 Bit 12 判断
        /// </summary>
        public async Task<double> ReadActualCurrentAsync(double ratedCurrent, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 508, 1, ct);
            double current = reg[0] / (double)0xCCCC * ratedCurrent;

            if (await IsSinkModeActiveAsync(slaveAddress, ct))
                current = -current; // sink 模式电流为负

            return current;
        }

        /// <summary>
        /// 读取实际功率值（单位 W）
        /// sink 模式下可能为负值
        /// </summary>
        public async Task<double> ReadActualPowerAsync(double ratedPower, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 509, 1, ct);
            double power = reg[0] / (double)0xCCCC * ratedPower;

            if (await IsSinkModeActiveAsync(slaveAddress, ct))
                power = -power;

            return power;
        }

        /// <summary>
        /// 读取额定电压（IEEE 754 float）
        /// </summary>
        public async Task<float> ReadRatedVoltageAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 121, 2, ct);
            byte[] bytes = new byte[4];
            bytes[0] = (byte)(reg[1] & 0xFF);
            bytes[1] = (byte)(reg[1] >> 8);
            bytes[2] = (byte)(reg[0] & 0xFF);
            bytes[3] = (byte)(reg[0] >> 8);
            return BitConverter.ToSingle(bytes, 0);
        }

        /// <summary>
        /// 读取额定电流（IEEE 754 float）
        /// </summary>
        public async Task<float> ReadRatedCurrentAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 122, 2, ct);
            byte[] bytes = new byte[4];
            bytes[0] = (byte)(reg[1] & 0xFF);
            bytes[1] = (byte)(reg[1] >> 8);
            bytes[2] = (byte)(reg[0] & 0xFF);
            bytes[3] = (byte)(reg[0] >> 8);
            return BitConverter.ToSingle(bytes, 0);
        }

        /// <summary>
        /// 读取额定功率（IEEE 754 float）
        /// </summary>
        public async Task<float> ReadRatedPowerAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 123, 2, ct);
            byte[] bytes = new byte[4];
            bytes[0] = (byte)(reg[1] & 0xFF);
            bytes[1] = (byte)(reg[1] >> 8);
            bytes[2] = (byte)(reg[0] & 0xFF);
            bytes[3] = (byte)(reg[0] >> 8);
            return BitConverter.ToSingle(bytes, 0);
        }

        #endregion

        #region 四、保护与报警相关寄存器

        /// <summary>
        /// 设置过压保护（OVP）阈值
        /// </summary>
        public async Task SetOverVoltageLimitAsync(double voltage, double ratedVoltage, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(voltage / ratedVoltage * 0xCCCC);
            await WriteSingleRegisterAsync(slaveAddress, 510, value, ct);
        }

        /// <summary>
        /// 读取过压保护（OVP）阈值
        /// </summary>
        public async Task<double> ReadOverVoltageLimitAsync(double ratedVoltage, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 510, 1, ct);
            return reg[0] / (double)0xCCCC * ratedVoltage;
        }

        /// <summary>
        /// 设置过流保护（OCP）阈值
        /// </summary>
        public async Task SetOverCurrentLimitAsync(double current, double ratedCurrent, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(current / ratedCurrent * 0xCCCC);
            await WriteSingleRegisterAsync(slaveAddress, 511, value, ct);
        }

        /// <summary>
        /// 读取过流保护（OCP）阈值
        /// </summary>
        public async Task<double> ReadOverCurrentLimitAsync(double ratedCurrent, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 511, 1, ct);
            return reg[0] / (double)0xCCCC * ratedCurrent;
        }

        /// <summary>
        /// 设置过功率保护（OPP）阈值
        /// </summary>
        public async Task SetOverPowerLimitAsync(double power, double ratedPower, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = (ushort)(power / ratedPower * 0xCCCC);
            await WriteSingleRegisterAsync(slaveAddress, 512, value, ct);
        }

        /// <summary>
        /// 读取过功率保护（OPP）阈值
        /// </summary>
        public async Task<double> ReadOverPowerLimitAsync(double ratedPower, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 512, 1, ct);
            return reg[0] / (double)0xCCCC * ratedPower;
        }

        /// <summary>
        /// 读取 OVP 报警计数器，读取后复位
        /// </summary>
        public async Task<ushort> ReadOVPCountAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 520, 1, ct);
            return reg[0];
        }

        /// <summary>
        /// 读取 OCP 报警计数器
        /// </summary>
        public async Task<ushort> ReadOCPCountAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 521, 1, ct);
            return reg[0];
        }

        /// <summary>
        /// 读取 OPP 报警计数器
        /// </summary>
        public async Task<ushort> ReadOPPCountAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 522, 1, ct);
            return reg[0];
        }

        /// <summary>
        /// 读取过温（OT）报警计数器
        /// </summary>
        public async Task<ushort> ReadOTCountAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 523, 1, ct);
            return reg[0];
        }

        #endregion

        #region 五、函数发生器与特殊功能寄存器

        // 寄存器 850：函数发生器启动/停止
        public async Task SetFunctionGeneratorAsync(bool start, byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort value = start ? (ushort)0xFF00 : (ushort)0x0000;
            await WriteSingleRegisterAsync(slaveAddress, 850, value, ct);
        }

        public async Task<bool> ReadFunctionGeneratorAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 850, 1, ct);
            return reg[0] == 0xFF00;
        }

        // 寄存器 851：函数发生器作用于电压
        public async Task SetFunctionVoltageParamAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            await WriteSingleRegisterAsync(slaveAddress, 851, 0xFF00, ct);
        }

        public async Task<bool> ReadFunctionVoltageParamAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 851, 1, ct);
            return reg[0] == 0xFF00;
        }

        // 寄存器 852：函数发生器作用于电流
        public async Task SetFunctionCurrentParamAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            await WriteSingleRegisterAsync(slaveAddress, 852, 0xFF00, ct);
        }

        public async Task<bool> ReadFunctionCurrentParamAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 852, 1, ct);
            return reg[0] == 0xFF00;
        }

        // 寄存器 859~861：序列控制
        public async Task SetSequenceStartPointAsync(ushort startPoint, byte slaveAddress = 1, CancellationToken ct = default)
        {
            if (startPoint < 1 || startPoint > 99) throw new ArgumentOutOfRangeException(nameof(startPoint));
            await WriteSingleRegisterAsync(slaveAddress, 859, startPoint, ct);
        }

        public async Task<ushort> ReadSequenceStartPointAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 859, 1, ct);
            return reg[0];
        }

        public async Task SetSequenceEndPointAsync(ushort endPoint, byte slaveAddress = 1, CancellationToken ct = default)
        {
            if (endPoint < 1 || endPoint > 99) throw new ArgumentOutOfRangeException(nameof(endPoint));
            await WriteSingleRegisterAsync(slaveAddress, 860, endPoint, ct);
        }

        public async Task<ushort> ReadSequenceEndPointAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 860, 1, ct);
            return reg[0];
        }

        public async Task SetSequenceLoopCountAsync(ushort loopCount, byte slaveAddress = 1, CancellationToken ct = default)
        {
            if (loopCount > 999) throw new ArgumentOutOfRangeException(nameof(loopCount));
            await WriteSingleRegisterAsync(slaveAddress, 861, loopCount, ct);
        }

        public async Task<ushort> ReadSequenceLoopCountAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 861, 1, ct);
            return reg[0];
        }

        // 寄存器 11000：MPP 跟踪模式
        public async Task SetMPPModeAsync(ushort mode, byte slaveAddress = 1, CancellationToken ct = default)
        {
            if (mode != 0x0001 && mode != 0x0002 && mode != 0x0004) throw new ArgumentOutOfRangeException(nameof(mode));
            await WriteSingleRegisterAsync(slaveAddress, 11000, mode, ct);
        }

        public async Task<ushort> ReadMPPModeAsync(byte slaveAddress = 1, CancellationToken ct = default)
        {
            ushort[] reg = await ReadHoldingRegistersAsync(slaveAddress, 11000, 1, ct);
            return reg[0];
        }

        #endregion

    }
}