namespace HotMap.Utils;

public static class UtilsExtensions
{
    extension(DateOnly date)
    {
        public DateOnly GetMonday()
        {
            return date.DayOfWeek switch
            {
                DayOfWeek.Monday => date,
                DayOfWeek.Sunday => date.AddDays(-6),
                _ => date.AddDays(1 - (int)date.DayOfWeek)
            };
        }
    }

    extension<T>(IEnumerable<T> enumerable)
    {
        public IEnumerable<(T, int)> WithIndex()
        {
            return enumerable.Select((v, i) => (v, i));
        }
    }
}