using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using Jeffijoe.MessageFormat;

namespace WinWARP.Ui.Helpers;

/// <summary>
/// Provides methods to determine the plural category of a number based on the specified locale and whether it is an ordinal or cardinal number.
/// </summary>
public static class PluralCategory
{
    private static readonly MessageFormatter Formatter = new();

    private static readonly string CardinalPattern =
        "{n, plural, zero{zero} one{one} two{two} few{few} many{many} other{other}}";

    private static readonly string OrdinalPattern =
        "{n, selectordinal, zero{zero} one{one} two{two} few{few} many{many} other{other}}";
    
    public static string GetCategory(double number, CultureInfo locale, bool isOrdinal = false)
    {
        var pattern = isOrdinal ? OrdinalPattern : CardinalPattern;
        var args = new Dictionary<string, object?> { { "n", number } };

        // Formatter resolves the logic and returns the matched keyword block literal
        return Formatter.FormatMessage(pattern, args, locale);
    }
}