using System.ComponentModel;
using System.Runtime.CompilerServices;
using JD.Timeline.View;
using JD.Timeline.View.ScoreView;
using JD.Timeline.View.SnipeView;
using JetBrains.Annotations;
using TeaBox.ObjectModel;
using PropertyChangedEventArgs = JD.PropertyService.PropertyChangedEventArgs;

namespace JD.Timeline.Document
{
    /// <summary>
    /// DanceTapeDocumentView is responsible of viewing and editing a Dance-Tape (.dtape). The view consist of a single TRecControl
    /// </summary>
    public class DanceTapeDocumentView : TapeDocumentView, INotifyPropertyChanged
    {
        #region Fields and Properties

        private ScoreViewType _scoreViewTypeSelected;
        private ScoringPlatform _platformSelected;

        public ScoreViewManager ScoreViewManager { get; set; }

        public event PropertyChangedEventHandler PropertyChanged;

        /// <summary>
        /// Represents whether currently viewed Score Data is Sniping or Scre Tweaking
        /// </summary>
        public ScoreViewType ScoreViewTypeSelected
        {
            get
            {
                return _scoreViewTypeSelected;
            }
            set
            {
                _scoreViewTypeSelected = value;

                if (PropertyChanged != null)
                {
                    PropertyChanged(this, new System.ComponentModel.PropertyChangedEventArgs("ScoreViewTypeSelected"));
                }
            }
        }

        /// <summary>
        /// Shows Platform on which currently the Score view is representing its Sniping/ Score Tweaking data
        /// </summary>
        public ScoringPlatform PlatformSelected
        {
            get { return _platformSelected; }
            set
            {
                _platformSelected = value;
                if (PropertyChanged != null)
                {
                    PropertyChanged(this, new System.ComponentModel.PropertyChangedEventArgs("PlatformSelected"));
                }
            }
        }

        #endregion

        #region Constructor

        public DanceTapeDocumentView(TapeDocument document)
            : base(document)
        {
            ScoreViewTypeSelected = PropertyService.PropertyService.Properties.Get("ScoreViewType", ScoreViewType.ScoreTweaking);

            // from the application properties get the selected platform.
            PlatformSelected = PropertyService.PropertyService.Properties.Get("ScoringPlatform", ScoringPlatform.Orbis);

            PropertyService.PropertyService.Properties.PropertyChanged += OnScoreViewOrPlatformPropertyChanged;
            
            if (ScoreViewTypeSelected == ScoreViewType.ScoreTweaking)
            {
                ScoreViewManager = new TweakViewManager(this);
            }
            else
            {
                ScoreViewManager = new SnipeViewManager(this);
            }

        }

        #endregion

        #region EventHandlers

        private void OnScoreViewOrPlatformPropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            if (e.PropertyName == "ScoreViewType")
            {
                ScoreViewTypeSelected = (ScoreViewType)e.NewValue;

                if (ScoreViewManager != null)
                {
                    ScoreViewManager.ClearView();
                }

                ScoreViewManager = new TweakViewManager(this);
            }
            else if (e.PropertyName == "ScoringPlatform")
            {
                PlatformSelected = (ScoringPlatform)e.NewValue;
            }
        }

        [NotifyPropertyChangedInvocator]
        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            var handler = PropertyChanged;
            if (handler != null) handler(this, new System.ComponentModel.PropertyChangedEventArgs(propertyName));
        }

        #endregion
    }
}