using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Markup;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Tango.Editors;
using Tango.BL.Entities;
using Tango.MachineStudio.Technician.TechItems;
using Tango.Core;

namespace Tango.MachineStudio.Technician.Editors
{
    [ContentProperty("InnerContent")]
    public partial class DispenserElementEditor : ElementEditor
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="MonitorElementEditor"/> class.
        /// </summary>
        public DispenserElementEditor()
            : base()
        {
            InitializeComponent();
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="MonitorElementEditor"/> class.
        /// </summary>
        /// <param name="frameworkElement">The framework element.</param>
        public DispenserElementEditor(DispenserItem dispenserItem)
            : this()
        {
            DispenserItem = dispenserItem;
            DataContext = DispenserItem;
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="MonitorElementEditor"/> class.
        /// </summary>
        /// <param name="frameworkElement">The framework element.</param>
        /// <param name="bounds">The bounds.</param>
        public DispenserElementEditor(DispenserItem monitorItem, Rect bounds)
            : this(monitorItem)
        {
            Left = bounds.Left;
            Top = bounds.Top;
            Width = bounds.Width;
            Height = bounds.Height;
        }

        private DispenserItem _monitorItem;

        public DispenserItem DispenserItem
        {
            get { return _monitorItem; }
            set
            {
                _monitorItem = value; RaisePropertyChanged(nameof(DispenserItem));

                if (_monitorItem != null)
                {
                    _monitorItem.HomingCompleted -= _monitorItem_HomingCompleted;
                    _monitorItem.HomingCompleted += _monitorItem_HomingCompleted;
                }
            }
        }

        private void _monitorItem_HomingCompleted(object sender, EventArgs e)
        {
            StopAnimation();
        }


        /// <summary>
        /// Clones this instance.
        /// </summary>
        /// <returns></returns>
        public override IElementEditor Clone()
        {
            try
            {
                var clonedItem = DispenserItem.Clone() as DispenserItem;
                DispenserElementEditor cloned = new DispenserElementEditor(clonedItem);
                cloned.Top = Top;
                cloned.Left = Left;
                cloned.Width = Width;
                cloned.Height = Height;
                cloned.Angle = Angle;
                return cloned;
            }
            catch (Exception ex)
            {
                throw new InvalidOperationException("Could not clone this editor. You may have to create a custom editor and implement a custom Clone method.", ex);
            }
        }

        /// <summary>
        /// Gets the hosted element.
        /// </summary>
        [ParameterIgnore]
        public override Object HostedElement
        {
            get { return DispenserItem; }
        }

        private void OnForwardPressed(object sender, MouseButtonEventArgs e)
        {
            (e.Source as FrameworkElement).CaptureMouse();
            AnimateRight();
            DispenserItem.RaiseAction(MotorActionType.ForwardPressed);
        }

        private void OnForwardReleased(object sender, MouseButtonEventArgs e)
        {
            (e.Source as FrameworkElement).ReleaseMouseCapture();
            StopAnimation();
            DispenserItem.RaiseAction(MotorActionType.ForwardReleased);
        }

        private void OnBackwardPressed(object sender, MouseButtonEventArgs e)
        {
            (e.Source as FrameworkElement).CaptureMouse();
            AnimateLeft();
            DispenserItem.RaiseAction(MotorActionType.BackwardPressed);
        }

        private void OnBackwardReleased(object sender, MouseButtonEventArgs e)
        {
            (e.Source as FrameworkElement).ReleaseMouseCapture();
            StopAnimation();
            DispenserItem.RaiseAction(MotorActionType.BackwardReleased);
        }

        private void OnHomingStarted(object sender, RoutedEventArgs e)
        {
            AnimateLeft();
            DispenserItem.RaiseAction(MotorActionType.HomingForwardStarted);
        }

        private void OnHomingStopped(object sender, RoutedEventArgs e)
        {
            StopAnimation();
            DispenserItem.RaiseAction(MotorActionType.HomingStopped);
        }

        private void AnimateRight()
        {
            DoubleAnimation ani = new DoubleAnimation();
            ani.Duration = TimeSpan.FromSeconds(1);
            ani.RepeatBehavior = RepeatBehavior.Forever;
            ani.FillBehavior = FillBehavior.HoldEnd;
            ani.To = 360;
            propRotate.BeginAnimation(RotateTransform.AngleProperty, ani);
        }

        private void AnimateLeft()
        {
            DoubleAnimation ani = new DoubleAnimation();
            ani.Duration = TimeSpan.FromSeconds(1);
            ani.RepeatBehavior = RepeatBehavior.Forever;
            ani.FillBehavior = FillBehavior.HoldEnd;
            ani.To = -360;
            propRotate.BeginAnimation(RotateTransform.AngleProperty, ani);
        }

        public void StopAnimation()
        {
            this.Dispatcher.Invoke(() =>
            {
                propRotate.BeginAnimation(RotateTransform.AngleProperty, null);
            });
        }

        private void OnHomingBackwardStarted(object sender, RoutedEventArgs e)
        {
            AnimateLeft();
            DispenserItem.RaiseAction(MotorActionType.HomingBackwardStarted);
        }

        private void OnHomingForwardStarted(object sender, RoutedEventArgs e)
        {
            AnimateRight();
            DispenserItem.RaiseAction(MotorActionType.HomingForwardStarted);
        }
    }
}