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

namespace UGQDataAccess;


public struct DateRange
{
    public DateTime Start { get; set; }
    public DateTime End { get; set; }
}

public static class DataRangeHelper
{
    public static DateRange ThisYear(DateTime date)
    {
        DateRange range = new DateRange();

        range.Start = new DateTime(date.Year, 1, 1);
        range.End = range.Start.AddYears(1).AddSeconds(-1);

        return range;
    }

    public static DateRange LastYear(DateTime date)
    {
        DateRange range = new DateRange();

        range.Start = new DateTime(date.Year - 1, 1, 1);
        range.End = range.Start.AddYears(1).AddSeconds(-1);

        return range;
    }

    public static DateRange ThisMonth(DateTime date)
    {
        DateRange range = new DateRange();

        range.Start = new DateTime(date.Year, date.Month, 1);
        range.End = range.Start.AddMonths(1).AddSeconds(-1);

        return range;
    }

    public static DateRange LastMonth(DateTime date)
    {
        DateRange range = new DateRange();

        range.Start = (new DateTime(date.Year, date.Month, 1)).AddMonths(-1);
        range.End = range.Start.AddMonths(1).AddSeconds(-1);

        return range;
    }

    public static DateRange ThisWeek(DateTime date)
    {
        DateRange range = new DateRange();

        range.Start = date.Date.AddDays(-(int)date.DayOfWeek);
        range.End = range.Start.AddDays(7).AddSeconds(-1);

        return range;
    }

    public static DateRange LastWeek(DateTime date)
    {
        DateRange range = ThisWeek(date);

        range.Start = range.Start.AddDays(-7);
        range.End = range.End.AddDays(-7);

        return range;
    }

    public static DateRange Today(DateTime date)
    {
        DateRange range = new DateRange();

        range.Start = new DateTime(date.Year, date.Month, date.Day);
        range.End = range.Start.AddDays(1).AddSeconds(-1);

        return range;
    }

    public static DateRange Yesterday(DateTime date)
    {
        DateRange range = Today(date);

        range.Start = range.Start.AddDays(-1);
        range.End = range.End.AddDays(-1);

        return range;
    }
}