using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace RealTimeGraphEx.Controllers
{
    public abstract class GraphControllerBase : DependencyObject
    {
        protected Action clearMethod;
        protected Action startThreadMethod;
        protected Action<bool> pausedMethod;
        protected Action<bool> changeRenderModeMethod;
        protected Action pushMarkerMethod;

        public bool IsPaused
        {
            get { return (bool)GetValue(IsPausedProperty); }
            set { SetValue(IsPausedProperty, value); }
        }
        public static readonly DependencyProperty IsPausedProperty =
            DependencyProperty.Register("IsPaused", typeof(bool), typeof(GraphControllerBase), new PropertyMetadata(false, new PropertyChangedCallback(PausedChanged)));

        private static void PausedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            var control = d as GraphControllerBase;
            if (control.pausedMethod != null)
            {
                control.pausedMethod(control.IsPaused);
            }
        }


        internal void RegisterMethods(Action clear, Action startThread, Action<bool> paused, Action<bool> renderMode, Action pushMarker)
        {
            changeRenderModeMethod = renderMode;
            pausedMethod = paused;
            clearMethod = clear;
            startThreadMethod = startThread;
            pushMarkerMethod = pushMarker;
        }

        public abstract void Clear();

        public virtual void ChangeRenderMode(bool enabled)
        {
            changeRenderModeMethod(enabled);
        }

        internal abstract void ClearPoints();

        public void PushMarkerLine()
        {
            if (pushMarkerMethod != null)
            {
                pushMarkerMethod();
            }
        }
    }
}