using System;
using System.ComponentModel;
using System.Windows.Markup;
using Microsoft.VisualStudio.DesignTools.Extensibility;
 
namespace Microsoft.Maui.Controls.Design
{
	internal class AttributeTableBuilder : Microsoft.VisualStudio.DesignTools.Extensibility.Metadata.AttributeTableBuilder
	{
		public AttributeTableBuilder()
		{
			AddAssemblyCustomAttributes("Microsoft.Maui.Controls",
				new XmlnsSupportsValidationAttribute("http://schemas.microsoft.com/dotnet/2021/maui", false));
 
			AddAssemblyCustomAttributes("Microsoft.Maui.Graphics",
				new XmlnsSupportsValidationAttribute("http://schemas.microsoft.com/dotnet/2021/maui", false));
 
			// Style isn't a view, make it visible
			AddTypeAttributes("Microsoft.Maui.Controls.Style",
			   new EditorBrowsableAttribute(EditorBrowsableState.Always),
			   new ContentPropertyAttribute("Setters"),
			   // Since the class doesn't have a public parameterless ctor, we need to provide a converter
			   new TypeConverterAttribute(typeof(StringConverter)));
 
			// The Setter.Value can actually come from an <OnPlatform />, so enable it as Content.
			AddTypeAttributes("Microsoft.Maui.Controls.Setter",
			  new EditorBrowsableAttribute(EditorBrowsableState.Always),
			  new ContentPropertyAttribute("Value"));
 
			AddMemberAttributes("Microsoft.Maui.Controls.VisualElement", "Visual",
			   new TypeConverterAttribute(typeof(VisualDesignTypeConverter)));
 
			AddMemberAttributes("Microsoft.Maui.Controls.VisualElement", "FlowDirection",
			   new TypeConverterAttribute(typeof(FlowDirectionDesignTypeConverter)));
 
			// We need to supersede type converted declared on VisualElement.Background,
			// otherwise VS will use generic "all strings allowed" converter which
			// does not expose color values, i.e. no XAML intellisense popup
			AddMemberAttributes("Microsoft.Maui.Controls.VisualElement", "Background",
			   new TypeConverterAttribute(typeof(ColorDesignTypeConverter)));
 
			AddMemberAttributes("Microsoft.Maui.Controls.ItemsView", "ItemsLayout",
			   new TypeConverterAttribute(typeof(ItemsLayoutDesignTypeConverter)));
 
			AddMemberAttributes("Microsoft.Maui.Controls.InputView", "Keyboard",
			   new TypeConverterAttribute(typeof(KeyboardDesignTypeConverter)));
 
			AddMemberAttributes("Microsoft.Maui.Controls.EntryCell", "Keyboard",
			   new TypeConverterAttribute(typeof(KeyboardDesignTypeConverter)));
 
			// TODO: OnPlatform/OnIdiom
			// These two should be proper markup extensions, to follow WPF syntax for those.
			// That would allow us to turn on XAML validation, which otherwise fails.
			// NOTE: the two also need to provide a non-generic, object-based T so that 
			// the language service can find the type by its name. That class can be internal 
			// though, since its visibility in the markup is controlled by the EditorBrowsableAttribute.
			// Make OnPlatform/OnIdiom visible for intellisense, and set as markup extension. 
			AddTypeAttributes("Microsoft.Maui.Controls.OnPlatform<>",
				new EditorBrowsableAttribute(EditorBrowsableState.Always)
			//new System.ComponentModel.TypeConverterAttribute(typeof(AnythingConverter)),
			//new System.Windows.Markup.MarkupExtensionReturnTypeAttribute (),
			);
			AddTypeAttributes("Microsoft.Maui.Controls.OnIdiom<>",
				new EditorBrowsableAttribute(EditorBrowsableState.Always)
			//new System.ComponentModel.TypeConverterAttribute(typeof(AnythingConverter)),
			//new System.Windows.Markup.MarkupExtensionReturnTypeAttribute (),
			);
 
			// Type level attributes
			AddTypeAttributes("Microsoft.Maui.Controls.Brush", new TypeConverterAttribute(typeof(ColorDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Controls.Button+ButtonContentLayout", new TypeConverterAttribute(typeof(ButtonContentDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Controls.Compatibility.Constraint", new TypeConverterAttribute(typeof(ConstraintDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Controls.ConstraintExpression", new MarkupExtensionReturnTypeAttribute());
			AddTypeAttributes("Microsoft.Maui.Controls.ImageSource", new TypeConverterAttribute(typeof(ImageSourceDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Controls.LayoutOptions", new TypeConverterAttribute(typeof(LayoutOptionsDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Controls.LinearItemsLayout", new TypeConverterAttribute(typeof(LinearItemsLayoutDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Controls.ResourcesChangedEventArgs", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.CornerRadius", new TypeConverterAttribute(typeof(CornerRadiusDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Graphics.Color", new TypeConverterAttribute(typeof(ColorDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Graphics.Point", new TypeConverterAttribute(typeof(PointTypeDesignConverter)));
			AddTypeAttributes("Microsoft.Maui.Graphics.Rect", new TypeConverterAttribute(typeof(RectTypeDesignConverter)));
			AddTypeAttributes("Microsoft.Maui.GridLength", new TypeConverterAttribute(typeof(GridLengthDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Layouts.FlexAlignContent", new TypeConverterAttribute(typeof(FlexAlignContentDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Layouts.FlexAlignItems", new TypeConverterAttribute(typeof(FlexAlignItemsDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Layouts.FlexAlignSelf", new TypeConverterAttribute(typeof(FlexAlignSelfDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Layouts.FlexBasis", new TypeConverterAttribute(typeof(FlexBasisDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Layouts.FlexDirection", new TypeConverterAttribute(typeof(FlexDirectionDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Layouts.FlexJustify", new TypeConverterAttribute(typeof(FlexJustifyDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Layouts.FlexWrap", new TypeConverterAttribute(typeof(FlexWrapDesignTypeConverter)));
			AddTypeAttributes("Microsoft.Maui.Thickness", new TypeConverterAttribute(typeof(ThicknessTypeDesignConverter)));
 
			// Property level attributes
			AddMemberAttributes("Microsoft.Maui.Controls.AbsoluteLayout", "LayoutBounds", new TypeConverterAttribute(typeof(BoundsDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Button", "ContentLayout", new TypeConverterAttribute(typeof(ButtonContentDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Button", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Compatibility.AbsoluteLayout", "LayoutBounds", new TypeConverterAttribute(typeof(BoundsDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.DatePicker", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Editor", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Entry", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Grid", "ColumnDefinitions", new TypeConverterAttribute(typeof(GridLengthCollectionDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Grid", "RowDefinitions", new TypeConverterAttribute(typeof(GridLengthCollectionDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Image", "Source", new TypeConverterAttribute(typeof(ImageSourceDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.ImageButton", "Source", new TypeConverterAttribute(typeof(ImageSourceDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.ImageCell", "ImageSource", new TypeConverterAttribute(typeof(ImageSourceDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Label", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Picker", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.RadioButton", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.SearchBar", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.SearchHandler", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Shell", "FlyoutBackgroundImage", new TypeConverterAttribute(typeof(ImageSourceDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.Span", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.TimePicker", "FontSize", new TypeConverterAttribute(typeof(FontSizeDesignTypeConverter)));
			AddMemberAttributes("Microsoft.Maui.Controls.VisualElement", "IsVisible", new TypeConverterAttribute(typeof(VisibilityDesignTypeConverter)));
		}
 
		private void AddTypeAttributes(string typeName, params Attribute[] attribs)
			=> AddCallback(typeName, builder => builder.AddCustomAttributes(attribs));
 
		private void AddMemberAttributes(string typeName, string memberName, params Attribute[] attribs)
			=> AddCallback(typeName, builder => builder.AddCustomAttributes(memberName, attribs));
	}
}