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

namespace TeamAAS.Converters
{
    public class BoolToArrowConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is bool collapsed && collapsed)
                return "▶";
            return "◀";
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

    public class BoolToWidthConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is bool collapsed && collapsed)
                return new GridLength(48);
            return new GridLength(280);
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

    public class InvertBoolToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is bool boolValue && boolValue)
                return Visibility.Collapsed;
            return Visibility.Visible;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

    /// <summary>
    /// 运行状态圆点颜色：true(运行中)=绿色，false=灰色。
    /// </summary>
    public class RunDotConverter : IValueConverter
    {
        private static readonly Brush Running = new SolidColorBrush(
            (Color)ColorConverter.ConvertFromString("#4CAF50"));
        private static readonly Brush Stopped = new SolidColorBrush(
            (Color)ColorConverter.ConvertFromString("#888888"));

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return (value is bool b && b) ? Running : Stopped;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}