using Hi.Disp;
using Hi.Licenses;
using System;
using System.Windows;
using System.Windows.Media;

namespace Hi.Wpf.Disp
{
    /// <summary>
    /// Window for 3D rendering.
    /// </summary>
    public class RenderingWindow : Window, IGetDispEngine
    {
        public RenderingCanvas RenderingCanvas => Content as RenderingCanvas;

        /// <summary>
        /// Ctor.
        /// </summary>
        public RenderingWindow()
        {
            Title = nameof(RenderingWindow);
            Height = 450;
            Width = 800;
            StateChanged += RenderingWind_StateChanged;
            Content = new RenderingCanvas()
            {
                BorderThickness = new Thickness(1),
                BorderBrush = Brushes.Black
            };
        }
        private void RenderingWind_StateChanged(object sender, EventArgs e)
        {
            RenderingCanvas.DispEngine.IsVisible = WindowState != WindowState.Minimized;
        }
        /// <inheritdoc/>
        public DispEngine GetDispEngine() => RenderingCanvas.DispEngine;
        /// <summary>
        /// Run a simple <see cref="RenderingWindow"/> application with given <paramref name="displayees"/>.
        /// </summary>
        /// <param name="title">Title</param>
        /// <param name="displayees">displayees</param>
        /// <returns>return value of <see cref="Application"/>.<see cref="Application.Run(Window)"/></returns>
        public static int RunApplication(string title, params IDisplayee[] displayees)
        {
            License.LogInAll();
            DispEngine.Init();

            Application app = new Application
            {
                ShutdownMode = ShutdownMode.OnMainWindowClose
            };
            app.Exit += (o, e) =>
            {
                DispEngine.FinishDisp();
                License.LogOutAll();
            };
            RenderingWindow window = new RenderingWindow() { Title = title };
            window.RenderingCanvas.DispEngine.Displayee = new DispList(displayees);
            window.RenderingCanvas.DispEngine.SetViewToHomeView();
            return app.Run(window);
        }
    }
}