using HslCommunication.Core.Address;
using HslCommunication.ModBus;
using HslCommunication.Serial;
using System;
using System.Collections.Generic;
using System.IO.Ports;
using System.Linq;
using System.Text;
using System.Threading;

namespace HslCommunication.Instrument.Temperature
{
    /// <summary>
    /// 阿尔泰科技发展有限公司的DAM3601温度采集模块，基于ModbusRtu开发完成。
    /// </summary>
    /// <remarks>
    /// 该温度采集模块是基于modbus-rtu，但不是标准的modbus协议，存在一些小误差，需要重写实现，并且提供了基础的数据转换
    /// </remarks>
    public class DAM3601 : ModBus.ModbusRtu
    {
        #region Constructor

        /// <summary>
        /// 实例化一个默认的对象
        /// </summary>
        public DAM3601( ) : base( )
        {
            SleepTime = 200;
        }

        /// <summary>
        /// 使用站号实例化默认的对象
        /// </summary>
        /// <param name="station">站号信息</param>
        public DAM3601( byte station ) : base( station )
        {
            SleepTime = 200;
        }

        #endregion

        #region Public Method

        /// <summary>
        /// 读取所有的温度数据，并转化成相关的信息
        /// </summary>
        /// <returns>结果数据对象</returns>
        public OperateResult<float[]> ReadAllTemperature( )
        {
            string address = "x=4;1";
            if (AddressStartWithZero) address = "x=4;0";

            OperateResult<short[]> read = ReadInt16( address, 128 );
            if (!read.IsSuccess) return OperateResult.CreateFailedResult<float[]>( read );

            return OperateResult.CreateSuccessResult( read.Content.Select( m => TransformValue( m ) ).ToArray( ) );
        }

        /// <summary>
        /// 数据转换方法，将读取的值，
        /// </summary>
        /// <param name="value">读取的值</param>
        /// <returns>转换后的值</returns>
        private float TransformValue(short value )
        {
            if ((value & 0x800) > 0)
            {
                return (((value & 0xFFF) ^ 0xFFF) + 1) * (-0.0625f);
            }
            else
            {
                return (value & 0x7FF) * 0.0625f;
            }
        }

        #endregion

        #region Override

        /// <summary>
        /// 从Modbus服务器批量读取寄存器的信息，需要指定起始地址，读取长度
        /// </summary>
        /// <param name="address">起始地址，格式为"1234"，或者是带功能码格式x=3;1234</param>
        /// <param name="length">读取的数量</param>
        /// <returns>带有成功标志的字节信息</returns>
        /// <example>
        /// 此处演示批量读取的示例
        /// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Modbus\Modbus.cs" region="ReadExample2" title="Read示例" />
        /// </example>
        public override OperateResult<byte[]> Read( string address, ushort length )
        {
            OperateResult<ModbusAddress> analysis = ModbusInfo.AnalysisAddress( address, AddressStartWithZero, ModbusInfo.ReadRegister );
            if (!analysis.IsSuccess) return OperateResult.CreateFailedResult<byte[]>( analysis );

            return ReadModBusBase( analysis.Content, length );
        }
        
        #endregion

        #region Object Override

        /// <summary>
        /// 返回表示当前对象的字符串
        /// </summary>
        /// <returns>字符串</returns>
        public override string ToString( )
        {
            return $"DAM3601[{PortName}:{BaudRate}]";
        }

        #endregion
    }
}