using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace CustomWindow
{
    public partial class WindowButton : Button
    {
        #region DependencyProperties

        /// <summary>
        /// Button content
        /// <remarks>Base button's content property is hidden</remarks>
        /// </summary>
        public new object Content
        {
            get => GetValue(ContentProperty);
            set { SetValue(ContentProperty, value); RefreshContent(); }
        }

        public new static readonly DependencyProperty ContentProperty =
            DependencyProperty.Register("Content", typeof(object), typeof(WindowButton), new UIPropertyMetadata());

        /// <summary>
        /// Disabled button content
        /// </summary>
        public object ContentDisabled
        {
            get => GetValue(ContentDisabledProperty);
            set { SetValue(ContentDisabledProperty, value); RefreshContent(); }
        }

        public static readonly DependencyProperty ContentDisabledProperty =
            DependencyProperty.Register("ContentDisabled", typeof(object), typeof(WindowButton), new UIPropertyMetadata());

        /// <summary>
        /// Corner radius of the button
        /// </summary>
        public CornerRadius CornerRadius
        {
            get => (CornerRadius)GetValue(CornerRadiusDPProperty);
            set => SetValue(CornerRadiusDPProperty, value);
        }

        public static readonly DependencyProperty CornerRadiusDPProperty =
            DependencyProperty.Register("CornerRadius", typeof(CornerRadius), typeof(WindowButton), new UIPropertyMetadata(new CornerRadius()));

 
        [System.ComponentModel.Bindable(true)]
        public object ActiveContent
        {
            get => GetValue(ActiveContentProperty);
            set => SetValue(ActiveContentProperty, value);
        }

        public static readonly DependencyProperty ActiveContentProperty =
            DependencyProperty.Register("ActiveContent", typeof(object), typeof(WindowButton), new UIPropertyMetadata());

        #endregion

        /// <summary>
        /// Button default Background 
        /// </summary>
        public virtual Brush BackgroundDefaultValue => (Brush)FindResource("DefaultBackgroundBrush");


        /// <summary>
        /// Instantiate WindowButton class
        /// </summary>
        public WindowButton()
        {
            InitializeComponent();

            IsEnabledChanged += (s, e) => RefreshContent();
        }

        /// <summary>
        /// Set's the content of the button according to the current 'IsEnabled' state of the button
        /// </summary>
        protected void RefreshContent()
        {
            // Button is enabled
            if (IsEnabled)
                ActiveContent = Content;
            else
                ActiveContent = ContentDisabled;
        }
    }
}