using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Mesnac.Action.ChemicalWeighing
{
    /// <summary>
    /// PLCSchema.xml中的存盘数据项类 - 对应add节点
    /// </summary>
    public class PlcRecipeReaderItem
    {
        #region 构造方法

        /// <summary>
        /// 默认构造方法
        /// </summary>
        public PlcRecipeReaderItem()
        {
            this.EquipBrand = String.Empty;
            this.DataFieldName = string.Empty;
            this.PlcFiledName = string.Empty;
            this.DataType = string.Empty;
            this.PlcShifting = 0;
            this.DefaultValue = 0;
            this.ValueLen = 1;
            this.Multiply = 1;
            this.SetValue = null;
        }

        #endregion

        #region 属性定义

        /// <summary>
        /// 所属PLC设备品牌
        /// </summary>
        public string EquipBrand { get; set; }
        /// <summary>
        /// 数据库字段名
        /// </summary>
        public string DataFieldName { get; set; }
        /// <summary>
        /// Plc别名
        /// </summary>
        public string PlcFiledName { get; set; }
        /// <summary>
        /// 偏移值
        /// </summary>
        public int PlcShifting { get; set; }
        /// <summary>
        /// 默认值
        /// </summary>
        public int DefaultValue { get; set; }
        /// <summary>
        /// 长度
        /// </summary>
        public int ValueLen { get; set; }
        /// <summary>
        /// 数据处理方式
        /// </summary>
        public string DataType { get; set; }
        /// <summary>
        /// 乘数
        /// </summary>
        public int Multiply { get; set; }
        /// <summary>
        /// 原始值
        /// </summary>
        public int[] SetValue { get; set; }

        #endregion

        #region 方法定义

        /// <summary>
        /// 数据转化值
        /// </summary>
        /// <returns></returns>
        public object GetValue()
        {
            if (string.IsNullOrWhiteSpace(DataType))
            {
                return GetValue_Null();
            }
            else if (DataType.Equals("string", StringComparison.CurrentCultureIgnoreCase))
            {
                return this.GetValue_String1();
            }
            else if (DataType.Equals("DateTime", StringComparison.CurrentCultureIgnoreCase))
            {
                return GetValue_DateTime();
            }
            else if (DataType.Equals("Int32", StringComparison.CurrentCultureIgnoreCase))
            {
                return GetValue_Int32();
            }
            else if (DataType.Equals("float", StringComparison.CurrentCultureIgnoreCase))
            {
                return GetValue_Float();
            }
            else if (DataType.Equals("Int16", StringComparison.CurrentCultureIgnoreCase))
            {
                return GetValue_Int16();
            }
            return GetValue_Null();
        }

        #endregion

        #region 辅助方法定义

        /// <summary>
        /// 对节点值进行除法运算
        /// </summary>
        /// <param name="buff">要处理的值</param>
        /// <returns>返回除法运算后的结果</returns>
        private double MultiplyData(double buff)
        {
            double result = buff;
            if (this.Multiply != 0)
            {
                result = result / (double)this.Multiply;
            }
            return result;
        }

        /// <summary>
        /// 获取对应的设备值
        /// </summary>
        /// <returns></returns>
        private double GetValue_Null()
        {
            if (this.SetValue.Length == 0)
            {
                return DefaultValue;
            }
            return MultiplyData(this.SetValue[0]);
        }

        /// <summary>
        /// 获取字符串值
        /// </summary>
        /// <returns>返回当前读取项的字符串值</returns>
        private string GetValue_String()
        {
            if (this.SetValue == null)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为字符串{0}失败，原因SetValue为NULL!", this.DataFieldName));
                return String.Empty;
            }
            else if (this.SetValue.Length != this.ValueLen)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为字符串{0}失败，原因SetValue.Length!=ValueLen!", this.DataFieldName));
                return String.Empty;
            }
            else
            {
                return Mesnac.Basic.DataProcessor.ToString(this.SetValue);
            }

        }

        /// <summary>
        /// 获取字符串值
        /// </summary>
        /// <returns>返回当前读取项的字符串值</returns>
        private string GetValue_String1()
        {
            if (this.SetValue == null)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为字符串{0}失败，原因SetValue为NULL!", this.DataFieldName));
                return String.Empty;
            }
            else if (this.SetValue.Length != this.ValueLen)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为字符串{0}失败，原因SetValue.Length!=ValueLen!", this.DataFieldName));
                return String.Empty;
            }
            else
            {
                return Mesnac.Basic.DataProcessor.ToString1(this.SetValue);
            }

        }

        /// <summary>
        /// 获取日期值
        /// </summary>
        /// <returns></returns>
        private DateTime GetValue_DateTime()
        {
            if (this.SetValue == null)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为DateTime:{0}失败，原因SetValue为NULL!", this.DataFieldName));
                return new DateTime(1900, 1, 1, 0, 0, 0);
            }
            else if (this.SetValue.Length != this.ValueLen)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为DateTime:{0}失败，原因SetValue.Length!=ValueLen!", this.DataFieldName));
                return new DateTime(1900, 1, 1, 0, 0, 0);
            }
            else if (this.SetValue.Length != 6)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为DateTime:{0}失败，原因SetValue.Length!=6!", this.DataFieldName));
                return new DateTime(1900, 1, 1, 0, 0, 0);
            }
            else
            {
                DateTime dateResult = DateTime.Now;
                string strDate = String.Format("{0}-{1}-{2} {3}:{4}:{5}", this.SetValue[0], this.SetValue[1], this.SetValue[2], this.SetValue[3], this.SetValue[4], this.SetValue[5]);
                if (!DateTime.TryParse(strDate, out dateResult))
                {
                    dateResult = DateTime.Now;
                    ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("字段[{0}]，把PLC数据解析为DateTime:{1}失败!", this.DataFieldName, strDate));
                }
                return dateResult;
            }
        }

        /// <summary>
        /// 获取Int32类型的值
        /// </summary>
        /// <returns></returns>
        private Int32 GetValue_Int32()
        {
            if (this.SetValue == null)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为Int32:{0}失败，原因SetValue为NULL!", this.DataFieldName));
                return 0;
            }
            else if (this.SetValue.Length != this.ValueLen)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为Int32:{0}失败，原因SetValue.Length!=ValueLen!", this.DataFieldName));
                return 0;
            }
            else if (this.SetValue.Length != 2)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为Int32:{0}失败，原因SetValue.Length!=2!", this.DataFieldName));
                return 0;
            }
            else
            {
                Int32 result = 0;
                if (this.EquipBrand.Equals("Siemens", StringComparison.CurrentCultureIgnoreCase))
                {
                    result = Mesnac.Basic.DataProcessor.ToSiemensInt32(this.SetValue);
                }
                else
                {
                    result = Mesnac.Basic.DataProcessor.ToInt32(this.SetValue);
                }
                return result;
            }
        }

        /// <summary>
        /// 获取Int16类型的值
        /// </summary>
        /// <returns></returns>
        private object GetValue_Int16()
        {
            if (this.SetValue == null)
            {
                object[] result = new object[this.ValueLen];
                for (int i = 0; i < result.Length;i++ )
                {
                    result[i] = 0;
                }
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为Int16:{0}失败，原因SetValue为NULL!", this.DataFieldName));
                return result;
            }
            else if (this.SetValue.Length != this.ValueLen)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为Int16:{0}失败，原因SetValue.Length!=ValueLen!", this.DataFieldName));
                return 0;
            }
            else if (this.SetValue.Length == 1)
            {
                return this.SetValue[0];
            }
            else
            {
                object[] result = new object[this.ValueLen];
                for (int i = 0; i < result.Length; i++)
                {
                    result[i] = this.SetValue[i];
                }
                return result;
            }
        }

        /// <summary>
        /// 获取Float类型的值
        /// </summary>
        /// <returns></returns>
        private float GetValue_Float()
        {
            if (this.SetValue == null)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为float:{0}失败，原因SetValue为NULL!", this.DataFieldName));
                return 0.0f;
            }
            else if (this.SetValue.Length != this.ValueLen)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为float:{0}失败，原因SetValue.Length!=ValueLen!", this.DataFieldName));
                return 0.0f;
            }
            else if (this.SetValue.Length != 2)
            {
                ICSharpCode.Core.LoggingService<PlcRecipeReaderItem>.Warn(String.Format("把PLC数据解析为float:{0}失败，原因SetValue.Length!=2!", this.DataFieldName));
                return 0.0f;
            }
            else
            {
                float result = 0.0f;
                if (this.EquipBrand.Equals("Siemens", StringComparison.CurrentCultureIgnoreCase))
                {
                    result = Mesnac.Basic.DataProcessor.ToSiemensFloat(this.SetValue);
                }
                else
                {
                    result = Mesnac.Basic.DataProcessor.ToFloat(this.SetValue);
                }
                return result;
            }
        }

        #endregion
    }
}