using AutoCatCore.Model;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

// The User Control item template is documented at https://go.microsoft.com/fwlink/?LinkId=234236

namespace AutoCat.Controls
{
	public sealed partial class PlateView : UserControl
	{
		#region Dependency properties

		public static readonly DependencyProperty NumberProperty = DependencyProperty.Register("Number", typeof(PlateNumber), typeof(PlateView), new PropertyMetadata(null, OnNumberChanged));

		#endregion

		#region Properties

		public PlateNumber Number
		{
			get { return (PlateNumber)GetValue(NumberProperty); }
			set { SetValue(NumberProperty, value); }
		}

		#endregion

		private double aspectRatio = 112.0 / 520.0;

		public PlateView()
		{
			this.InitializeComponent();
		}

		private static void OnNumberChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
		{
			if(d is PlateView plateNumber && e.NewValue is PlateNumber number)
			{
				plateNumber.NumberBox.Text = number.MainPart();
				plateNumber.RegionBox.Text = number.Region();
			}
		}

		protected override Size MeasureOverride(Size availableSize)
        {
			var newAspect = availableSize.Height / availableSize.Width;
			var newSize = availableSize;
			if (newAspect >= aspectRatio)
            {
				newSize = new Size(availableSize.Width, availableSize.Width * aspectRatio);
			}
			else
            {
				newSize = new Size(availableSize.Height / aspectRatio, availableSize.Height);
            }

			return newSize;
        }

        private void UserControl_SizeChanged(object sender, SizeChangedEventArgs e)
        {
			NumberBox.Margin = new Thickness(0, -e.NewSize.Height * 0.35, 0, 0);
			RegionBox.FontSize = e.NewSize.Height * 0.65;
			RegionBox.Margin = new Thickness(0, -RegionBox.FontSize * 0.3, 0, 0);
			FlagGrid.Width = FlagGrid.ActualHeight * 1.5;
			CountryName.FontSize = CountryRow.ActualHeight;
		}
    }
}