using System.Globalization;
using System.Windows;
using System.Windows.Data;
using System.Windows.Media;

namespace SpdUp.Converters;

/// <summary>Bool → Visibility converter.</summary>
public sealed class BoolToVisibilityConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        => value is true ? Visibility.Visible : Visibility.Collapsed;

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        => value is Visibility.Visible;
}

/// <summary>Inverted Bool → Visibility converter.</summary>
public sealed class InverseBoolToVisibilityConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        => value is true ? Visibility.Collapsed : Visibility.Visible;

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        => value is Visibility.Collapsed;
}

/// <summary>Float percentage (0–100) to a progress bar width or colour.</summary>
public sealed class PercentToColorConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        var pct = System.Convert.ToSingle(value);
        if (pct > 90) return new SolidColorBrush(Color.FromRgb(255, 69, 58));   // red
        if (pct > 70) return new SolidColorBrush(Color.FromRgb(255, 159, 10));  // orange
        return new SolidColorBrush(Color.FromRgb(48, 209, 88));                // green
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        => throw new NotSupportedException();
}

/// <summary>Null → Visibility (collapsed when null).</summary>
public sealed class NullToVisibilityConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        => value is null ? Visibility.Collapsed : Visibility.Visible;

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        => throw new NotSupportedException();
}

/// <summary>Format float to one decimal.</summary>
public sealed class FloatFormatConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        var fmt = parameter as string ?? "F1";
        return System.Convert.ToSingle(value).ToString(fmt);
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        => throw new NotSupportedException();
}

/// <summary>Bool to boost button text.</summary>
public sealed class BoostButtonTextConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        => value is true ? "⏹ STOP BOOST" : "🚀 BOOST GAME";

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        => throw new NotSupportedException();
}

/// <summary>Bool to brush (boost active colour).</summary>
public sealed class BoostButtonColorConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        => value is true
            ? new SolidColorBrush(Color.FromRgb(255, 69, 58))
            : new SolidColorBrush(Color.FromRgb(48, 209, 88));

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        => throw new NotSupportedException();
}