using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using CsharpHttpHelper;

namespace Api.Framework.Extents
{
    /// <summary>
    /// 数值相关扩展类
    /// </summary>
    public static class ValueEx
    {

        /// <summary>
        /// 执行除法
        /// </summary>
        /// <returns></returns>
        public static double ExecDivision(this int value, double divisor = 100d, int decimals = 2)
        {
            if (value == 0) return 0;

            return (double)((decimal)value / (decimal)divisor).ToDecimal(decimals);
        }

        /// <summary>
        /// 执行除法
        /// </summary>
        /// <returns></returns>
        public static double ExecDivision(this double value, double divisor = 100d, int decimals = 2)
        {
            if (value == 0) return 0;

            return (double)((decimal)value / (decimal)divisor).ToDecimal(decimals);
        }

        /// <summary>
        /// 执行除法
        /// </summary>
        /// <returns></returns>
        public static decimal ExecDivision(this decimal value, decimal divisor = 100m, int decimals = 2)
        {
            if (value == 0) return 0;

            return (value / divisor).ToDecimal(decimals);
        }

        /// <summary>
        /// 转为指定的小数位
        /// </summary>
        /// <param name="value"></param>
        /// <param name="decimals"></param>
        /// <returns></returns>
        public static decimal ToDecimal(this decimal value, int decimals = 2)
        {
            return Math.Round(value, decimals);
        }

        /// <summary>
        /// 时间戳转时间
        /// </summary>
        /// <param name="value"></param>
        /// <returns></returns>
        public static DateTime ToDateTime(this long value)
        {
            try
            {
                return HttpExtend.GetDateTime(value.ToString());
            }
            catch (Exception e)
            {
                return DateTime.MinValue;
            }
        }


    }
}