using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
using System.Windows.Media;
using XP.Hardware.RaySource.Abstractions.Enums;

namespace XP.Hardware.RaySource.Converters
{
    /// <summary>
    /// 射线源状态转背景色转换器（径向渐变）
    /// </summary>
    public class RaySourceStatusToColorConverter : IValueConverter
    {
        /// <summary>
        /// 状态转颜色（不可用=灰色，关闭=绿色，开启=红色）- 中心渐变效果
        /// </summary>
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is RaySourceStatus status)
            {
                return status switch
                {
                    RaySourceStatus.Unavailable => CreateRadialGradient(
                        Color.FromRgb(224, 224, 224), // 中心浅灰
                        Color.FromRgb(189, 189, 189)), // 边缘深灰
                    RaySourceStatus.Closed => CreateRadialGradient(
                        Color.FromRgb(139, 195, 74),  // 中心浅绿 #8BC34A
                        Color.FromRgb(76, 175, 80)),  // 边缘深绿 #4CAF50
                    RaySourceStatus.Opened => CreateRadialGradient(
                        Color.FromRgb(255, 138, 128), // 中心浅红 #FF8A80
                        Color.FromRgb(244, 67, 54)),  // 边缘深红 #F44336
                    _ => CreateRadialGradient(
                        Color.FromRgb(224, 224, 224), // 中心浅灰
                        Color.FromRgb(189, 189, 189)) // 边缘深灰
                };
            }
            return CreateRadialGradient(
                Color.FromRgb(224, 224, 224),
                Color.FromRgb(189, 189, 189));
        }

        /// <summary>
        /// 创建径向渐变画刷
        /// </summary>
        private RadialGradientBrush CreateRadialGradient(Color centerColor, Color edgeColor)
        {
            var brush = new RadialGradientBrush();
            brush.GradientOrigin = new System.Windows.Point(0.5, 0.5);
            brush.Center = new System.Windows.Point(0.5, 0.5);
            brush.RadiusX = 0.8;
            brush.RadiusY = 0.8;
            brush.GradientStops.Add(new GradientStop(centerColor, 0.0));
            brush.GradientStops.Add(new GradientStop(edgeColor, 1.0));
            return brush;
        }

        /// <summary>
        /// 反向转换（无需实现）
        /// </summary>
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

    /// <summary>
    /// 状态转边框色转换器
    /// </summary>
    public class RaySourceStatusToBorderColorConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is RaySourceStatus status)
            {
                return status switch
                {
                    RaySourceStatus.Unavailable => new SolidColorBrush(Color.FromRgb(158, 158, 158)), // 深灰 #9E9E9E
                    RaySourceStatus.Closed => new SolidColorBrush(Color.FromRgb(46, 125, 50)), // 深绿 #2E7D32
                    RaySourceStatus.Opened => new SolidColorBrush(Color.FromRgb(198, 40, 40)),  // 深红 #C62828
                    _ => new SolidColorBrush(Color.FromRgb(153, 153, 153))
                };
            }
            return new SolidColorBrush(Color.FromRgb(153, 153, 153));
        }

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

    /// <summary>
    /// 状态转滑块启用状态转换器
    /// </summary>
    public class RaySourceStatusToSliderEnabledConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is RaySourceStatus status)
            {
                return status == RaySourceStatus.Opened; // 开启时滑块可用，关闭时禁用
            }
            return false;
        }

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