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

namespace WMS.Web.Core
{
    /// <summary>
    /// 数值处理
    /// </summary>
    public static class NumericalProcess
    {
        /// <summary>
        /// Decimal 数值精度转换
        /// </summary>
        /// <param name="number"> decimal数值</param>
        /// <param name="precision">精度值</param>
        /// <param name="RoundoffType"> 舍入类型：1为进位，2为舍位，3为四舍五入</param>
        /// <returns>decimal数值</returns>
        public static decimal DecimalPrecision(this decimal? number, int? precision, int? RoundoffType)
        {
            if (RoundoffType == 1)
                return Decimal.Round(number ?? 0, precision ?? 0, MidpointRounding.ToPositiveInfinity);
            else if (RoundoffType == 2)
                return Decimal.Round(number ?? 0, precision ?? 0, MidpointRounding.ToZero);
            else if (RoundoffType == 3)
                return Decimal.Round(number ?? 0, precision ?? 0, MidpointRounding.AwayFromZero);
            return number ?? 0;
        }

        /// <summary>
        /// Decimal 数值精度转换
        /// </summary>
        /// <param name="number"> decimal数值</param>
        /// <param name="precision">精度值</param>
        /// <param name="RoundoffType"> 舍入类型：1为进位，2为舍位，3为四舍五入</param>
        /// <returns>decimal数值</returns>
        public static decimal DecimalPrecision(this decimal number, int? precision, int? RoundoffType)
        {
            if (RoundoffType == 1)
                return Decimal.Round(number, precision ?? 0, MidpointRounding.ToPositiveInfinity);
            else if (RoundoffType == 2)
                return Decimal.Round(number, precision ?? 0, MidpointRounding.ToZero);
            else if (RoundoffType == 3)
                return Decimal.Round(number, precision ?? 0, MidpointRounding.AwayFromZero);
            return number;
        }

        /// <summary>
        /// Decimal 去掉后面无效的0
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        public static string DecimalToStringNoZero(this decimal? data)
        {
            return (data ?? 0).ToString("#0.##########");
        }

        public static string DecimalToStringNoZero(this decimal data)
        {
            return data.ToString("#0.##########");
        }
    }
}