using System;
using System.Globalization;
using Avalonia.Data.Converters;

namespace GazpromApp.Enums;

public enum PeriodType
{
    Unknown = -1,
    Day = 0,
    Week = 1,
    Month = 2,
    Year = 3
}

public static class PeriodTypeExtensions
{
    public static string ToDescription(this PeriodType periodType)
    {
        return periodType switch
        {
            PeriodType.Day => "День",
            PeriodType.Week => "Неделя",
            PeriodType.Month => "Месяц",
            PeriodType.Year => "Год",
            PeriodType.Unknown => "Неизв.",
            _ => string.Empty
        };
    }

    public static PeriodType ToPeriodType(this string periodType)
    {
        return periodType switch
        {
            "День" => PeriodType.Day,
            "Неделя" => PeriodType.Week,
            "Месяц" => PeriodType.Month,
            "Год" => PeriodType.Year,
            _ => PeriodType.Unknown
        };
    }
}

public class PeriodConverter : IValueConverter
{
    public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
    {
        if (value is PeriodType periodType)
            return periodType.ToDescription();
        return false;
    }

    public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
    {
        if (value is string periodType)
            return periodType.ToPeriodType();
        return false;   
    }
}