using System.Text.Json.Serialization;

namespace QuikDawEditor.EditingClasses;

public class GainPoint : INotifyPropertyChanged
{

    public event PropertyChangedEventHandler PropertyChanged;
    public void NotifyPropertyChanged([CallerMemberName] string propertyName = "") { if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } }

    [JsonConstructor]
    public GainPoint() { }

    public double sourcePointms60BPM = 0;

    internal double _sourcePointms { get; set; }
    public double sourcePointms
    {
        get { return _sourcePointms; }
        set
        {
            _sourcePointms = Math.Truncate(value);
            sourcePointms60BPM = TranslateMsTo60BPM(_sourcePointms);
            NotifyPropertyChanged(nameof(GainPointLeft));

        }
    }

    private float _GainValue = 1;
    public float GainValue { get { return _GainValue; } set { _GainValue = value; NotifyPropertyChanged(nameof(GainValue)); NotifyPropertyChanged(nameof(GainPointTop)); } }

    private bool _IsLeftEdgeGainPoint = false;
    public bool IsLeftEdgeGainPoint { get { return _IsLeftEdgeGainPoint; } set { _IsLeftEdgeGainPoint = value; NotifyPropertyChanged(nameof(IsLeftOrRightEdgeGainPoint)); } }
    private bool _IsRightEdgeGainPoint = false;
    public bool IsRightEdgeGainPoint { get { return _IsRightEdgeGainPoint; } set { _IsRightEdgeGainPoint = value; NotifyPropertyChanged(nameof(IsLeftOrRightEdgeGainPoint)); } }
    public bool IsLeftOrRightEdgeGainPoint { get { return IsRightEdgeGainPoint | IsLeftEdgeGainPoint; } }

    public void UpdateGainPointLeft() { NotifyPropertyChanged(nameof(GainPointLeft)); }
    public void UpdateGainPointTop(double clipAreaHeight) { ClipAreaHeight = clipAreaHeight; NotifyPropertyChanged(nameof(GainPointTop)); }

    public double ClipAreaHeight = 60;

    private Visibility _GainPointValVisibility = Visibility.Hidden;
    [JsonIgnore(Condition = JsonIgnoreCondition.Always)]
    public Visibility GainPointValVisibility { get { return _GainPointValVisibility; } set { _GainPointValVisibility = value; NotifyPropertyChanged(nameof(GainPointValVisibility)); } }

    public double GPZIndex { get { return IsLeftOrRightEdgeGainPoint ? 100000 : 1; } }

    double ellipseRadius = 5;

    public double GainPointLeft { get { return MsecToPixels(sourcePointms) - ellipseRadius / editingProject.ViewXZoomFac; } }
    public double GainPointTop { get { return (2D - (double)GainValue) * ClipAreaHeight / 2 - ellipseRadius; } }


}