using System;
using System.Collections.Generic;
using System.ComponentModel;
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;
using RealTimeGraphEx;
using RealTimeGraphEx.Controllers;

namespace Tango.MachineStudio.Common.Controls
{
    /// <summary>
    /// Interaction logic for RealTimeGraphControl.xaml
    /// </summary>
    public partial class RealTimeGraphControl : UserControl, IRealTimeGraph
    {
        private Grid headerGrid;

        #region Properties

        /// <summary>
        /// Gets or sets the name of the sensor.
        /// </summary>
        public String SensorName
        {
            get { return (String)GetValue(SensorNameProperty); }
            set { SetValue(SensorNameProperty, value); }
        }
        public static readonly DependencyProperty SensorNameProperty =
            DependencyProperty.Register("SensorName", typeof(String), typeof(RealTimeGraphControl), new PropertyMetadata(null));

        /// <summary>
        /// Gets or sets the sensor units.
        /// </summary>
        public String SensorUnits
        {
            get { return (String)GetValue(SensorUnitsProperty); }
            set { SetValue(SensorUnitsProperty, value); }
        }
        public static readonly DependencyProperty SensorUnitsProperty =
            DependencyProperty.Register("SensorUnits", typeof(String), typeof(RealTimeGraphControl), new PropertyMetadata(null));



        public double Minimum
        {
            get { return (double)GetValue(MinimumProperty); }
            set { SetValue(MinimumProperty, value); }
        }
        public static readonly DependencyProperty MinimumProperty =
            DependencyProperty.Register("Minimum", typeof(double), typeof(RealTimeGraphControl), new PropertyMetadata(0.0));



        public double Maximum
        {
            get { return (double)GetValue(MaximumProperty); }
            set { SetValue(MaximumProperty, value); }
        }
        public static readonly DependencyProperty MaximumProperty =
            DependencyProperty.Register("Maximum", typeof(double), typeof(RealTimeGraphControl), new PropertyMetadata(100.0));



        public Color Color
        {
            get { return (Color)GetValue(ColorProperty); }
            set { SetValue(ColorProperty, value); }
        }
        public static readonly DependencyProperty ColorProperty =
            DependencyProperty.Register("Color", typeof(Color), typeof(RealTimeGraphControl), new PropertyMetadata(Colors.DodgerBlue));



        public void InvalidateGraph()
        {
            InnerGraph.Clear();
            yAxis.Render(InnerGraph);
            yAxisTicks.Render(InnerGraph);
        }

        /// <summary>
        /// Gets or sets the inner real-time graph control.
        /// </summary>
        public RealTimeGraphExBase InnerGraph { get; set; }

        /// <summary>
        /// Gets or sets the inner graph controller.
        /// </summary>
        public GraphControllerBase Controller { get; set; }

       
        private bool _enableToolbar;
        /// <summary>
        /// Gets or sets a value indicating whether to enable toolbar buttons.
        /// </summary>
        public bool EnableToolBar
        {
            get { return _enableToolbar; }
            set
            {
                _enableToolbar = value;

                if (!value)
                {
                    if (headerGrid != null)
                    {
                        ThicknessAnimation ani = new ThicknessAnimation();
                        ani.To = new Thickness(0, -35, 0, 0);
                        ani.Duration = TimeSpan.FromSeconds(0.2);
                        headerGrid.BeginAnimation(Grid.MarginProperty, ani);
                    }
                }
            }
        }


        #endregion

        #region Events

        public event EventHandler GraphRemoveButtonPressed;
        public event EventHandler GraphFullScreenButtonPressed;

        #endregion

        public RealTimeGraphControl()
        {
            InitializeComponent();
            EnableToolBar = true;
            InnerGraph = Graph;
            Controller = new GraphController();
        }

        private void OnGraphFullScreen(object sender, RoutedEventArgs e)
        {
            GraphFullScreenButtonPressed?.Invoke(this, new EventArgs());
        }

        private void Graph_MouseEnter(object sender, MouseEventArgs e)
        {
            if (EnableToolBar)
            {
                Grid mainGrid = sender as Grid;
                headerGrid = mainGrid.Children.OfType<Grid>().ToList().First();
                ThicknessAnimation ani = new ThicknessAnimation();
                ani.To = new Thickness(0, 0, 0, 0);
                ani.Duration = TimeSpan.FromSeconds(0.2);
                headerGrid.BeginAnimation(Grid.MarginProperty, ani);
            }
        }

        private void Graph_MouseLeave(object sender, MouseEventArgs e)
        {
            Grid mainGrid = sender as Grid;
            headerGrid = mainGrid.Children.OfType<Grid>().ToList().First();
            ThicknessAnimation ani = new ThicknessAnimation();
            ani.To = new Thickness(0, -35, 0, 0);
            ani.Duration = TimeSpan.FromSeconds(0.2);
            headerGrid.BeginAnimation(Grid.MarginProperty, ani);
        }

        private void OnGraphRemove(object sender, RoutedEventArgs e)
        {
            GraphRemoveButtonPressed?.Invoke(this, new EventArgs());
        }

    }
}