using Sarand.Net.Mobile.Xamarin.Forms.Controls;
using Sarand.Net.Mobile.Xamarin.Forms.Layouts;
using Sarand.Net.Mobile.Xamarin.Forms.Views;
using System;
using System.Collections.Generic;
using System.Text;
using Xamarin.Forms;

namespace Sarand.Net.Mobile.Xamarin.Forms.Panels
{
    //=======================================================================
    public class SaxPanel_PropertySummary : SaxContentView
	{
		//-------------------------------------------------------------------
		// Definitions.
		private class PropertyData
		{
			public String Caption { get; set; }
			public String Value { get; set; }
		}

		//-------------------------------------------------------------------
		// Data members.
		private float internalFrameRadiusFactor = 0.8f;
		private readonly List<PropertyData> properties = new List<PropertyData>();
		// Panel components.
		private SaxFrame framePanel = new SaxFrame();
		private SaxFrame frameInternal = new SaxFrame();
		private SaxGrid gridProperties = new SaxGrid();

		//-------------------------------------------------------------------
		// Construction.
		public SaxPanel_PropertySummary ()
		{
			// View properties.
			//BackgroundColor = Color.Transparent;
			framePanel.CornerRadius = 8.0f;
			framePanel.Padding = new Thickness(2.0);
			framePanel.BackgroundColor = Color.Transparent;
			framePanel.BorderColor = framePanel.BorderColor;
			Content = framePanel;

			// Frame.
			frameInternal.CornerRadius = framePanel.CornerRadius * internalFrameRadiusFactor;
			frameInternal.Padding = new Thickness(0);
			frameInternal.BorderColor = Color.White;
			frameInternal.BackgroundColor = Color.White;
			framePanel.Content = frameInternal;
			frameInternal.Content = gridProperties;

			// Properties grid.
			gridProperties.Padding = new Thickness(4.0);
			gridProperties.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Auto });
			gridProperties.ColumnDefinitions.Add(new ColumnDefinition() { Width = GridLength.Star });

			// Property styling.
			DefaultFontSize = new SaxLabel().FontSize;
			FontSize = DefaultFontSize;

			ConfigureComponents();
		}

		//-------------------------------------------------------------------
		// Properties.
		public Color BorderColor
		{
			get { return framePanel.BorderColor; }
			set
			{
				framePanel.BorderColor = value;
				framePanel.BackgroundColor = value;
			}
		}
		public Thickness BorderWidth { get { return framePanel.Padding; } set { framePanel.Padding = value; } }
		public float CornerRadius
		{
			get { return framePanel.CornerRadius; }
			set
			{
				framePanel.CornerRadius = value;
				frameInternal.CornerRadius = framePanel.CornerRadius * internalFrameRadiusFactor;
			}
		}
		public Color PanelBackgroundColor
		{
			get { return frameInternal.BackgroundColor; }
			set
			{
				frameInternal.BorderColor = value;
				frameInternal.BackgroundColor = value;
			}
		}
		// Property label styling.
		public double DefaultFontSize { get; }
		public double FontSize { get; set; }

		//-------------------------------------------------------------------
		//                S u m m a r y   P r o p e r t i e s
		//-------------------------------------------------------------------
		public void AddProperty (String caption, String value)
		{
			properties.Add(new PropertyData() { Caption = caption, Value = value });
			RefreshProperties();
		}
		public void ClearProperties ()
		{
			properties.Clear();
			RefreshProperties();
		}
		private void RefreshProperties ()
		{
			// Clear existing properties.
			gridProperties.Children.Clear();
			gridProperties.RowDefinitions.Clear();

			foreach (PropertyData property in properties)
			{
				int rowIdx = gridProperties.RowDefinitions.Count;
				gridProperties.RowDefinitions.Add(new RowDefinition() { Height = GridLength.Auto });
				gridProperties.Children.Add(new SaxLabel() { Text = property.Caption, FontSize = FontSize, HorizontalOptions = LayoutOptions.End }, 0, rowIdx);
				gridProperties.Children.Add(new SaxLabel() { Text = property.Value, FontSize = FontSize, HorizontalOptions = LayoutOptions.StartAndExpand, VerticalOptions = LayoutOptions.StartAndExpand }, 1, rowIdx);
			}
		}

		//-------------------------------------------------------------------
		//              C o n f i g u r e   C o m p o n e n t s
		//-------------------------------------------------------------------
		protected override void ConfigureComponents ()
		{
			base.ConfigureComponents();
		}

		//-------------------------------------------------------------------
		//                      P a n e l   E v e n t s
		//-------------------------------------------------------------------

		//-------------------------------------------------------------------
	}
	//=======================================================================
}