using System;
using System.Collections.Generic;
using System.Linq;
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.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace BPASmartClient.CustomResource.UserControls
{
    /// <summary>
    /// PipeLineBR.xaml 的交互逻辑
    /// </summary>
    public partial class PipeLineBR : UserControl
    {
        public PipeLineBR()
        {
            InitializeComponent();
            this.Loaded += (s, e) => { Play(); Refresh(); };
        }

        private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            (d as PipeLineBR)?.Refresh();
        }

        private void Refresh()
        {
            this.mp.StrokeThickness = LineWidth;
            Canvas.SetTop(this.mp, 25 - LineWidth / 2);
            Canvas.SetLeft(this.mp, 25 - LineWidth / 2);
            this.mp.Stroke = LineBrush;
            //this.Width = PipeWidth * 2;
            //this.Height = PipeWidth * 2;
        }

        #region 动画相关

        Storyboard sb = new Storyboard();
        private void Play()
        {
            sb.Children.Clear();
            DoubleAnimation da = new DoubleAnimation();
            da.From = 0;
            if (Direction == 2) da.To = this.ActualWidth * 3.14 / 4;
            else if (Direction == 1) da.To = this.ActualWidth * 3.14 / 4 * -1;
            da.RepeatBehavior = RepeatBehavior.Forever;//设置无限循环播放
            da.Duration = TimeSpan.FromMilliseconds(Speed * 1000);//设置动画时间
            //da.AutoReverse = true;//设置可以反转播放动画
            Storyboard.SetTarget(da, mp);//绑定动画
            Storyboard.SetTargetProperty(da, new PropertyPath("StrokeDashOffset"));
            sb.Children.Add(da);//添加动画
            if (Direction != 0) this.mp.Visibility = Visibility.Visible;
            sb.Begin();//播放动画
        }

        private static void OnAnimationChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            (d as PipeLineBR)?.Animation();
        }

        private void Animation()
        {
            if (Direction == 0)
            {
                sb.Stop();
                this.mp.Visibility = Visibility.Collapsed;
            }
            else Play();
        }

        /// <summary>
        /// 液体流向控制
        /// 0:停止流动,1正向流动，2反向流动
        /// </summary>
        public int Direction
        {
            get { return (int)GetValue(DirectionProperty); }
            set { SetValue(DirectionProperty, value); }
        }
        public static readonly DependencyProperty DirectionProperty =
            DependencyProperty.Register("Direction", typeof(int), typeof(PipeLineBR), new(0, new(OnAnimationChanged)));

        /// <summary>
        /// 液体流动速度
        /// 液体流动一次的时间，单位秒
        /// </summary>
        public float Speed
        {
            get { return (float)GetValue(SpeedProperty); }
            set { SetValue(SpeedProperty, value); }
        }
        public static readonly DependencyProperty SpeedProperty =
            DependencyProperty.Register("Speed", typeof(float), typeof(PipeLineBR), new(8.0f, new(OnAnimationChanged)));
        #endregion


        /// <summary>
        /// 流动宽度
        /// </summary>
        public int LineWidth
        {
            get { return (int)GetValue(LineWidthProperty); }
            set { SetValue(LineWidthProperty, value); }
        }
        public static readonly DependencyProperty LineWidthProperty =
            DependencyProperty.Register("LineWidth", typeof(int), typeof(PipeLineBR), new(4, new(OnPropertyChanged)));


        /// <summary>
        /// 流动线条颜色
        /// </summary>
        public Brush LineBrush
        {
            get { return (Brush)GetValue(LineBrushProperty); }
            set { SetValue(LineBrushProperty, value); }
        }
        public static readonly DependencyProperty LineBrushProperty =
            DependencyProperty.Register("LineBrush", typeof(Brush), typeof(PipeLineBR), new(Brushes.DeepSkyBlue));

        public int PipeWidth
        {
            get { return (int)GetValue(PipeWidthProperty); }
            set { SetValue(PipeWidthProperty, value); }
        }
        public static readonly DependencyProperty PipeWidthProperty =
            DependencyProperty.Register("PipeWidth", typeof(int), typeof(PipeLineBR), new(30, new(OnPropertyChanged)));

        /// <summary>
        /// 管道内壁颜色
        /// </summary>
        public Color Fill
        {
            get { return (Color)GetValue(FillProperty); }
            set { SetValue(FillProperty, value); }
        }
        public static readonly DependencyProperty FillProperty =
            DependencyProperty.Register("Fill", typeof(Color), typeof(PipeLineBR), new(Brushes.DimGray.Color));

    }
}