using HslCommunication.BasicFramework;
using HslCommunication.Core;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace HslCommunication.Serial
{
    /// <summary>
    /// 基于串口的设备交互类的对象，需要从本类继承，然后实现不同的设备读写操作。
    /// </summary>
    /// <typeparam name="TTransform">数据解析的规则泛型</typeparam>
    public class SerialDeviceBase<TTransform> : SerialBase, IReadWriteNet where TTransform : IByteTransform, new()
    {
        #region Constructor

        /// <summary>
        /// 默认的构造方法实现的设备信息
        /// </summary>
        public SerialDeviceBase( )
        {
            byteTransform = new TTransform( );                            // 实例化数据转换规则
        }

        #endregion

        #region Virtual Method

        /**************************************************************************************************
         * 
         *    说明：子类中需要重写基础的读取和写入方法，来支持不同的数据访问规则
         *    
         *    此处没有将读写位纳入进来，因为各种设备的支持不尽相同，比较麻烦
         * 
         **************************************************************************************************/

        /// <summary>
        /// 从设备读取原始数据
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="length">地址长度</param>
        /// <returns>带有成功标识的结果对象</returns>
        /// <remarks>需要在继承类中重写实现，并且实现地址解析操作</remarks>
        public virtual OperateResult<byte[]> Read( string address, ushort length )
        {
            return new OperateResult<byte[]>( );
        }

        /// <summary>
        /// 将原始数据写入设备
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="value">原始数据</param>
        /// <returns>带有成功标识的结果对象</returns>
        /// <remarks>需要在继承类中重写实现，并且实现地址解析操作</remarks>
        public virtual OperateResult Write( string address, byte[] value )
        {
            return new OperateResult( );
        }

        #endregion

        #region Protect Member

        /// <summary>
        /// 单个数据字节的长度，西门子为2，三菱，欧姆龙，modbusTcp就为1
        /// </summary>
        /// <remarks>对设备来说，一个地址的数据对应的字节数，或是1个字节或是2个字节</remarks>
        protected ushort WordLength { get; set; } = 1;

        #endregion

        #region Public Member

        /// <summary>
        /// 当前客户端的数据变换机制，当你需要从字节数据转换类型数据的时候需要。
        /// </summary>
        /// <example>
        /// 主要是用来转换数据类型的，下面仅仅演示了2个方法，其他的类型转换，类似处理。
        /// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Core\NetworkDoubleBase.cs" region="ByteTransform" title="ByteTransform示例" />
        /// </example>
        public TTransform ByteTransform
        {
            get { return byteTransform; }
            set { byteTransform = value; }
        }

        /// <summary>
        /// 当前连接的唯一ID号，默认为长度20的guid码加随机数组成，方便列表管理，也可以自己指定
        /// </summary>
        /// <remarks>
        /// Current Connection ID, conclude guid and random data, also, you can spcified
        /// </remarks>
        public string ConnectionId
        {
            get { return connectionId; }
            set { connectionId = value; }
        }

        #endregion

        #region Customer Support

        /// <summary>
        /// 读取自定义类型的数据，需要规定解析规则
        /// </summary>
        /// <typeparam name="T">类型名称</typeparam>
        /// <param name="address">起始地址</param>
        /// <returns>带有成功标识的结果对象</returns>
        /// <remarks>
        /// 需要是定义一个类，选择好相对于的ByteTransform实例，才能调用该方法。
        /// </remarks>
        public OperateResult<T> ReadCustomer<T>( string address ) where T : IDataTransfer, new()
        {
            OperateResult<T> result = new OperateResult<T>( );
            T Content = new T( );
            OperateResult<byte[]> read = Read( address, Content.ReadCount );
            if (read.IsSuccess)
            {
                Content.ParseSource( read.Content );
                result.Content = Content;
                result.IsSuccess = true;
            }
            else
            {
                result.ErrorCode = read.ErrorCode;
                result.Message = read.Message;
            }
            return result;
        }

        /// <summary>
        /// 写入自定义类型的数据到设备去，需要规定生成字节的方法
        /// </summary>
        /// <typeparam name="T">自定义类型</typeparam>
        /// <param name="address">起始地址</param>
        /// <param name="data">实例对象</param>
        /// <returns>带有成功标识的结果对象</returns>
        /// <remarks>
        /// 需要是定义一个类，选择好相对于的<see cref="IDataTransfer"/>实例，才能调用该方法。
        /// </remarks>
        public OperateResult WriteCustomer<T>( string address, T data ) where T : IDataTransfer, new()
        {
            return Write( address, data.ToSource( ) );
        }

        #endregion

        #region Read Support
        
        /// <summary>
        /// 读取设备的short类型的数据
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<short> ReadInt16( string address )
        {
            return ByteTransformHelper.GetResultFromArray( ReadInt16( address, 1 ) );
        }
        
        /// <summary>
        /// 读取设备的short类型的数组
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="length">数组长度</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<short[]> ReadInt16( string address, ushort length )
        {
            return ByteTransformHelper.GetResultFromBytes( Read( address, (ushort)(length * WordLength) ), m => ByteTransform.TransInt16( m, 0, length ) );
        }

        /// <summary>
        /// 读取设备的ushort数据类型的数据
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<ushort> ReadUInt16( string address )
        {
            return ByteTransformHelper.GetResultFromArray( ReadUInt16( address, 1 ) );
        }
        
        /// <summary>
        /// 读取设备的ushort类型的数组
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="length">数组长度</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<ushort[]> ReadUInt16( string address, ushort length )
        {
            return ByteTransformHelper.GetResultFromBytes( Read( address, (ushort)(length * WordLength) ), m => ByteTransform.TransUInt16( m, 0, length ) );
        }
        
        /// <summary>
        /// 读取设备的int类型的数据
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<int> ReadInt32( string address )
        {
            return ByteTransformHelper.GetResultFromArray( ReadInt32( address, 1 ) );
        }
        
        /// <summary>
        /// 读取设备的int类型的数组
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="length">数组长度</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<int[]> ReadInt32( string address, ushort length )
        {
            return ByteTransformHelper.GetResultFromBytes( Read( address, (ushort)(length * WordLength * 2) ), m => ByteTransform.TransInt32( m, 0, length ) );
        }
        
        /// <summary>
        /// 读取设备的uint类型的数据
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<uint> ReadUInt32( string address )
        {
            return ByteTransformHelper.GetResultFromArray( ReadUInt32( address, 1 ) );
        }
        
        /// <summary>
        /// 读取设备的uint类型的数组
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="length">数组长度</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<uint[]> ReadUInt32( string address, ushort length )
        {
            return ByteTransformHelper.GetResultFromBytes( Read( address, (ushort)(length * WordLength * 2) ), m => ByteTransform.TransUInt32( m, 0, length ) );
        }

        /// <summary>
        /// 读取设备的float类型的数据
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<float> ReadFloat( string address )
        {
            return ByteTransformHelper.GetResultFromArray( ReadFloat( address, 1 ) );
        }


        /// <summary>
        /// 读取设备的float类型的数组
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="length">数组长度</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<float[]> ReadFloat( string address, ushort length )
        {
            return ByteTransformHelper.GetResultFromBytes( Read( address, (ushort)(length * WordLength * 2) ), m => ByteTransform.TransSingle( m, 0, length ) );
        }

        /// <summary>
        /// 读取设备的long类型的数据
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<long> ReadInt64( string address )
        {
            return ByteTransformHelper.GetResultFromArray( ReadInt64( address, 1 ) );
        }

        /// <summary>
        /// 读取设备的long类型的数组
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="length">数组长度</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<long[]> ReadInt64( string address, ushort length )
        {
            return ByteTransformHelper.GetResultFromBytes( Read( address, (ushort)(length * WordLength * 4) ), m => ByteTransform.TransInt64( m, 0, length ) );
        }

        /// <summary>
        /// 读取设备的ulong类型的数据
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<ulong> ReadUInt64( string address )
        {
            return ByteTransformHelper.GetResultFromArray( ReadUInt64( address, 1 ) );
        }

        /// <summary>
        /// 读取设备的ulong类型的数组
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="length">数组长度</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<ulong[]> ReadUInt64( string address, ushort length )
        {
            return ByteTransformHelper.GetResultFromBytes( Read( address, (ushort)(length * WordLength * 4) ), m => ByteTransform.TransUInt64( m, 0, length ) );
        }
        
        /// <summary>
        /// 读取设备的double类型的数据
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<double> ReadDouble( string address )
        {
            return ByteTransformHelper.GetResultFromArray( ReadDouble( address, 1 ) );
        }
        
        /// <summary>
        /// 读取设备的double类型的数组
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="length">数组长度</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<double[]> ReadDouble( string address, ushort length )
        {
            return ByteTransformHelper.GetResultFromBytes( Read( address, (ushort)(length * WordLength * 4) ), m => ByteTransform.TransDouble( m, 0, length ) );
        }
        
        /// <summary>
        /// 读取设备的字符串数据，编码为ASCII
        /// </summary>
        /// <param name="address">起始地址</param>
        /// <param name="length">地址长度</param>
        /// <returns>带成功标志的结果数据对象</returns>
        public OperateResult<string> ReadString( string address, ushort length )
        {
            return ByteTransformHelper.GetResultFromBytes( Read( address, length ), m => ByteTransform.TransString( m, 0, m.Length, Encoding.ASCII ) );
        }
        
        #endregion

        #region Write Int16

        /// <summary>
        /// 向设备中写入short数组，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="values">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, short[] values )
        {
            return Write( address, ByteTransform.TransByte( values ) );
        }

        /// <summary>
        /// 向设备中写入short数据，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, short value )
        {
            return Write( address, new short[] { value } );
        }

        #endregion

        #region Write UInt16
        
        /// <summary>
        /// 向设备中写入ushort数组，返回是否写入成功
        /// </summary>
        /// <param name="address">要写入的数据地址</param>
        /// <param name="values">要写入的实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, ushort[] values )
        {
            return Write( address, ByteTransform.TransByte( values ) );
        }


        /// <summary>
        /// 向设备中写入ushort数据，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, ushort value )
        {
            return Write( address, new ushort[] { value } );
        }


        #endregion

        #region Write Int32

        /// <summary>
        /// 向设备中写入int数组，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="values">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, int[] values )
        {
            return Write( address, ByteTransform.TransByte( values ) );
        }

        /// <summary>
        /// 向设备中写入int数据，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, int value )
        {
            return Write( address, new int[] { value } );
        }

        #endregion

        #region Write UInt32

        /// <summary>
        /// 向设备中写入uint数组，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="values">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, uint[] values )
        {
            return Write( address, ByteTransform.TransByte( values ) );
        }

        /// <summary>
        /// 向设备中写入uint数据，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, uint value )
        {
            return Write( address, new uint[] { value } );
        }

        #endregion

        #region Write Float

        /// <summary>
        /// 向设备中写入float数组，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="values">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, float[] values )
        {
            return Write( address, ByteTransform.TransByte( values ) );
        }

        /// <summary>
        /// 向设备中写入float数据，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, float value )
        {
            return Write( address, new float[] { value } );
        }


        #endregion

        #region Write Int64

        /// <summary>
        /// 向设备中写入long数组，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="values">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, long[] values )
        {
            return Write( address, ByteTransform.TransByte( values ) );
        }

        /// <summary>
        /// 向设备中写入long数据，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, long value )
        {
            return Write( address, new long[] { value } );
        }

        #endregion

        #region Write UInt64

        /// <summary>
        /// 向P设备中写入ulong数组，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="values">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, ulong[] values )
        {
            return Write( address, ByteTransform.TransByte( values ) );
        }

        /// <summary>
        /// 向设备中写入ulong数据，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, ulong value )
        {
            return Write( address, new ulong[] { value } );
        }

        #endregion

        #region Write Double

        /// <summary>
        /// 向设备中写入double数组，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="values">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, double[] values )
        {
            return Write( address, ByteTransform.TransByte( values ) );
        }

        /// <summary>
        /// 向设备中写入double数据，返回是否写入成功
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">实际数据</param>
        /// <returns>返回写入结果</returns>
        public virtual OperateResult Write( string address, double value )
        {
            return Write( address, new double[] { value } );
        }

        #endregion
        
        #region Write String

        /// <summary>
        /// 向设备中写入字符串，编码格式为ASCII
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">字符串数据</param>
        /// <returns>是否写入成功的结果对象</returns>
        /// <example>
        /// 以下为三菱的连接对象示例，其他的设备读写情况参照下面的代码：
        /// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Core\NetworkDeviceBase.cs" region="WriteString" title="String类型示例" />
        /// </example>
        public virtual OperateResult Write( string address, string value )
        {
            byte[] temp = ByteTransform.TransByte( value, Encoding.ASCII );
            if (WordLength == 1) temp = SoftBasic.ArrayExpandToLengthEven( temp );
            return Write( address, temp );
        }

        /// <summary>
        /// 向设备中写入指定长度的字符串,超出截断，不够补0，编码格式为ASCII
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">字符串数据</param>
        /// <param name="length">指定的字符串长度，必须大于0</param>
        /// <returns>是否写入成功的结果对象 -> Whether to write a successful result object</returns>
        public virtual OperateResult Write( string address, string value, int length )
        {
            byte[] temp = ByteTransform.TransByte( value, Encoding.ASCII );
            if (WordLength == 1) temp = SoftBasic.ArrayExpandToLengthEven( temp );
            temp = SoftBasic.ArrayExpandToLength( temp, length );
            return Write( address, temp );
        }

        /// <summary>
        /// 向设备中写入字符串，编码格式为Unicode
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">字符串数据</param>
        /// <returns>是否写入成功的结果对象</returns>
        public virtual OperateResult WriteUnicodeString( string address, string value )
        {
            byte[] temp = ByteTransform.TransByte( value, Encoding.Unicode );
            return Write( address, temp );
        }

        /// <summary>
        /// 向设备中写入指定长度的字符串,超出截断，不够补0，编码格式为Unicode
        /// </summary>
        /// <param name="address">数据地址</param>
        /// <param name="value">字符串数据</param>
        /// <param name="length">指定的字符串长度，必须大于0</param>
        /// <returns>是否写入成功的结果对象 -> Whether to write a successful result object</returns>
        public virtual OperateResult WriteUnicodeString( string address, string value, int length )
        {
            byte[] temp = ByteTransform.TransByte( value, Encoding.Unicode );
            temp = SoftBasic.ArrayExpandToLength( temp, length * 2 );
            return Write( address, temp );
        }

        #endregion

        #region Private Member

        private TTransform byteTransform;                // 数据变换的接口
        private string connectionId = string.Empty;      // 当前连接

        #endregion

        #region Object Override

        /// <summary>
        /// 返回表示当前对象的字符串
        /// </summary>
        /// <returns>字符串数据</returns>
        public override string ToString( )
        {
            return "SerialDeviceBase<TTransform>";
        }

        #endregion
    }
}