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

namespace Core.StlMes.Client.Sale.Util
{
   public class ConverObject
    {
       private static string _defaultDataTimeFormt = "yyyyMMddHHmmss";
       public static string ConvertDataTimeToString(DateTime value)
       {
            if(value == null || value.ToString().Length == 0)
                return "";
           return value.ToString(_defaultDataTimeFormt);
 
       }

       /// <summary>
       /// 将System.DateTime日期改为sql 认可的to_date
       /// </summary>
       /// <param name="value"></param>
       /// <returns></returns>
       public static string GetTimeStringValueToDateFunction(System.DateTime value)
       {
           return string.Format("to_date('{0}','yyyymmddhh24miss')", Util.ConverObject.ConvertDataTimeToString(value));
       }


       /// <summary>
       /// 将DateTime 类型转为sql 可以比较的类型
       /// </summary>
       /// <param name="dt"></param>
       /// <returns></returns>
       public static string ConvertDateTimeValueToDbLanguage(DateTime dt)
       {
           return string.Format(" trunc( to_date('{0}','yyyymmdd'))", dt.ToString("yyyyMMdd"));
       }

       /// <summary>
       /// 将DateTime 类型转为sql 可以比较的类型
       /// </summary>
       /// <param name="columnName"></param>
       /// <param name="beginDate"></param>
       /// <param name="endDate"></param>
       /// <returns></returns>
       public static string ConvertDateTimeValueToDbLanguage(string columnName, DateTime beginDate, DateTime endDate)
       {
           return string.Format("    and {0} >= trunc( to_date('{1}','yyyymmdd'))  and {0} < trunc( to_date('{2}','yyyymmdd'))  + 1 ",
              columnName, beginDate.ToString("yyyyMMdd"), endDate.ToString("yyyyMMdd"));
       }

       public static string ConverDateTimeToyyyyMMdd(DateTime time)
       {
           return time.ToString("yyyyMMdd");
       }


       public static string ConvertListStringValueToSqlCondition(string columnName,List<string> list)
       {
           if (list == null || list.Count == 0)
               return "  and 1 = 2 ";
           System.Text.StringBuilder sb = new StringBuilder();
           foreach (String s in list)
           {
               sb.Append(string.Format("  {0} = '{1}' ",columnName,s)).Append("  or  ");
 
           }

           string sqlCondition = "  and (" + sb.ToString() + "  1 = 2  )";
           return sqlCondition;
       }

       public static string ConvertNumberToChinese(string strNum)
       {
           string[] Nums = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };
           string[] Digits = { "", "拾", "佰", "仟" };
           string[] Units = { "元", "万", "亿", "万亿" };

           string x, y, z = "";

           if (strNum.Length > 2)
           {
               x = strNum.Substring(0, strNum.Length - 2);
               y = strNum.Substring(strNum.Length - 2, 2);
           }
           else
           {
               x = "";
               y = strNum;
           }
           if (y.Length == 2)
           {
               int n = Convert.ToInt32(y.Substring(0, 1));
               z = Nums[n] + "角";
           }
           if (y.Length > 0)
           {
               int n = Convert.ToInt32(y.Substring(y.Length - 1, 1));
               z += Nums[n] + "分";
           }
           if (y.Length == 0)
           {
               if (x.Length == 0)
                   z = "零元整";
               else
                   z = "整";
           }

           string S = ""; //返回值 
           int p = 0; //字符位置指针 
           int m = x.Length % 4; //取模 

           // 四位一组得到组数 
           int k = (m > 0 ? x.Length / 4 + 1 : x.Length / 4);

           // 外层循环在所有组中循环 
           // 从左到右 高位到低位 四位一组 逐组处理 
           // 每组最后加上一个单位: "[万亿]","[亿]","[万]" 
           for (int i = k; i > 0; i--)
           {
               int L = 4;
               if (i == k && m != 0)
               {
                   L = m;
               }
               // 得到一组四位数 最高位组有可能不足四位 
               string s = x.Substring(p, L);
               int l = s.Length;

               // 内层循环在该组中的每一位数上循环 从左到右 高位到低位 
               for (int j = 0; j < l; j++)
               {
                   //处理改组中的每一位数加上所在位: "仟","佰","拾",""(个) 
                   int n = Convert.ToInt32(s.Substring(j, 1));
                   if (n == 0)
                   {
                       if (j < l - 1
                           && Convert.ToInt32(s.Substring(j + 1, 1)) > 0 //后一位(右低) 
                           && !S.EndsWith(Nums[n]))
                       {
                           S += Nums[n];
                       }
                   }
                   else
                   {
                       //处理 1013 一千零"十三", 1113 一千一百"一十三" 
                       if (!(n == 1 && (S.EndsWith(Nums[0]) | S.Length == 0) && j == l - 2))
                       {
                           S += Nums[n];
                       }
                       S += Digits[l - j - 1];
                   }
               }
               p += L;
               // 每组最后加上一个单位: [万],[亿] 等 
               if (i < k) //不是最高位的一组 
               {
                   if (Convert.ToInt32(s) != 0)
                   {
                       //如果所有 4 位不全是 0 则加上单位 [万],[亿] 等 
                       S += Units[i - 1];
                   }
               }
               else
               {
                   //处理最高位的一组,最后必须加上单位 
                   S += Units[i - 1];
               }
           }
           return S + z;

       }

 


       public static double ConvertToDouble(object value)
       {
           try 
           {
               return Convert.ToDouble(value);
           }
           catch
           {
               return 0;
           }
       }
    }
}