using Kurisu.Core.CustomClass;

namespace Dlhis.Canteen.Order;


/// <summary>
/// 临时的扩展类 todo: 嵌入框架
/// </summary>
public static class TimePeriodExtensions
{
    public static bool IsPresent1(this TimePeriod period, DateTime dateTime)
    {
        DateTime start;
        DateTime end;

        if (period.IsCrossDay())
        {
            var currentStart = DateTime.Today.Add(period.Start.Value.ToTimeSpan());
            var endOfDay = DateTime.Today.AddHours(23).AddMinutes(59).AddSeconds(59);

            if (dateTime >= currentStart && dateTime <= endOfDay)
            {
                start = DateTime.Today.Add(period.Start.Value.ToTimeSpan());
                end = DateTime.Today.AddDays(1).Add(period.End.Value.ToTimeSpan());
            }
            else
            {
                //第二天
                start = DateTime.Today.AddDays(-1).Add(period.Start.Value.ToTimeSpan());
                end = DateTime.Today.Add(period.End.Value.ToTimeSpan());
            }
        }
        else
        {
            start = DateTime.Today.Add(period.Start.Value.ToTimeSpan());
            end = DateTime.Today.Add(period.End.Value.ToTimeSpan());
        }

        return dateTime >= start && dateTime <= end;
    }
}