using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace BPASmartClient.CustomResource.UserControls
{
    /// <summary>
    /// ConveyBelt2.xaml 的交互逻辑
    /// </summary>
    public partial class ConveyBelt2 : UserControl
    {
        public ConveyBelt2()
        {
            InitializeComponent();
        }
        [Category("运行状态")]
        public bool IsRun
        {
            get { return (bool)GetValue(IsRunProperty); }
            set { SetValue(IsRunProperty, value); }
        }
        public static readonly DependencyProperty IsRunProperty =
            DependencyProperty.Register("IsRun", typeof(bool), typeof(ConveyBelt2), new PropertyMetadata(default(bool), new PropertyChangedCallback(OnRunningChanged)));

        private static void OnRunningChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            string status = "Stop";
            if ((bool)e.NewValue)
            {
                if ((d as ConveyBelt2)?.BeltDirection == 0)
                {
                    VisualStateManager.GoToState(d as ConveyBelt2, "RightState", false);
                    return;
                }
                else
                {
                    VisualStateManager.GoToState(d as ConveyBelt2, "LeftState", false);
                    return;
                }
            }
            VisualStateManager.GoToState(d as ConveyBelt2, status, false);
            //VisualStateManager.GoToState(d as ConveyBelt2, (bool)e.NewValue ? "RunState" : "Stop", false);
        }

        public double BeltWidth
        {
            get { return (double)GetValue(BeltWidthProperty); }
            set { SetValue(BeltWidthProperty, value); }
        }
        public static readonly DependencyProperty BeltWidthProperty =
            DependencyProperty.Register("BeltWidth", typeof(double), typeof(ConveyBelt2), new PropertyMetadata(default(double), new PropertyChangedCallback(OnPropertyChanged)));

        private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            (d as ConveyBelt2)?.Refresh();
        }
        public void Refresh()
        {
            PathGeometry geometry = new PathGeometry();
            PathFigure pathFigure = new PathFigure();
            if (BeltHeight > 100)
            {
                pathFigure.StartPoint = new Point(0, 35 + (BeltHeight - 100) / 2);
                pathFigure.Segments.Add(new LineSegment(new Point(BeltWidth - 10, 35 + (BeltHeight - 100) / 2), true));
            }
            else
            {
                pathFigure.StartPoint = new Point(0, 35);
                pathFigure.Segments.Add(new LineSegment(new Point(BeltWidth - 10, 35), true));
            }
            geometry.Figures.Add(pathFigure);
            this.belt.Data = geometry;
            this.belt.StrokeDashOffset = BeltDashOffset;
            this.br.Width = BeltWidth;
            if (BeltHeight > 100)
            {
                this.recDown.Margin = new Thickness(0, BeltHeight - 20, 0, 0);
            }
            else
            {
                this.recDown.Margin = new Thickness(0, 80, 0, 0);
            }

            this.belt.StrokeThickness = BeltDashThickess;
        }

        public double BeltHeight
        {
            get { return (double)GetValue(BeltHeightProperty); }
            set { SetValue(BeltHeightProperty, value); }
        }
        public static readonly DependencyProperty BeltHeightProperty =
            DependencyProperty.Register("BeltHeight", typeof(double), typeof(ConveyBelt2), new PropertyMetadata(default(double), new PropertyChangedCallback(OnPropertyChanged)));

        public double BeltDashOffset
        {
            get { return (double)GetValue(BeltDashOffsetProperty); }
            set { SetValue(BeltDashOffsetProperty, value); }
        }
        public static readonly DependencyProperty BeltDashOffsetProperty =
            DependencyProperty.Register("BeltDashOffset", typeof(double), typeof(ConveyBelt2), new PropertyMetadata(default(double), new PropertyChangedCallback(OnPropertyChanged)));

        public double BeltDashThickess
        {
            get { return (double)GetValue(BeltDashThickessProperty); }
            set { SetValue(BeltDashThickessProperty, value); }
        }
        public static readonly DependencyProperty BeltDashThickessProperty =
            DependencyProperty.Register("BeltDashThickess", typeof(double), typeof(ConveyBelt2), new PropertyMetadata(default(double), new PropertyChangedCallback(OnPropertyChanged)));
        public int BeltDirection
        {
            get { return (int)GetValue(BeltDirectionProperty); }
            set { SetValue(BeltDirectionProperty, value); }
        }
        public static readonly DependencyProperty BeltDirectionProperty =
            DependencyProperty.Register("BeltDirection", typeof(int), typeof(ConveyBelt2), new PropertyMetadata(default(int), new PropertyChangedCallback(OnDirectionChanged)));

        private static void OnDirectionChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            string status = "Stop";
            if ((d as ConveyBelt2).IsRun)
            {
                if ((d as ConveyBelt2)?.BeltDirection == 0)
                {
                    VisualStateManager.GoToState(d as ConveyBelt2, "RightState", false);
                    return;
                }
                else
                {
                    VisualStateManager.GoToState(d as ConveyBelt2, "LeftState", false);
                    return;
                }
            }
            VisualStateManager.GoToState(d as ConveyBelt2, status, false);
            //if ((d as ConveyBelt2)?.BeltDirection == 0)
            //{
            //    VisualStateManager.GoToState(d as ConveyBelt2, "RightState", false);
            //}
            //else
            //{
            //    VisualStateManager.GoToState(d as ConveyBelt2, "LeftState", false);
            //}

        }
    }
}