using System.Runtime.CompilerServices;

namespace YLErp.Helpers
{
    /// <summary>
    /// 格式化帮助类
    /// </summary>
    public static class FormatHelper
    {
        /// <summary>
        /// 格式化日期
        /// </summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static string Format(DateTime? dt, DateFormatStyle style = DateFormatStyle.yyyyMMdd_dash)
        {
            if (dt.HasValue)
            {
                switch (style)
                {
                    case DateFormatStyle.yyyyMMdd_slash:
                        return dt.Value.ToString("yyyy/MM/dd");
                    default:
                        return dt.Value.ToString("yyyy-MM-dd");
                }
            }
            return string.Empty;
        }

        /// <summary>
        /// 日期格式化(yyyy-MM-dd)
        /// </summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static string ToSqlDate(this DateTime date)
        {
            return date.ToString("yyyy-MM-dd");
        }

        /// <summary>
        /// 浮点数格式化
        /// </summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static string Format(double? d, string fmt)
        {
            return d.HasValue ? d.Value.ToString(fmt) : string.Empty;
        }

        /// <summary>
        /// Decimal格式化
        /// </summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static string Format(decimal? d, string fmt)
        {
            return d.HasValue ? d.Value.ToString(fmt) : string.Empty;
        }
    }

    /// <summary>
    /// 日期格式化样式
    /// </summary>
    public enum DateFormatStyle
    {
        /// <summary>
        /// yyyy-MM-dd格式
        /// </summary>
        yyyyMMdd_dash,

        /// <summary>
        /// yyyy/MM/dd格式
        /// </summary>
        yyyyMMdd_slash,
    }
}