using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Windows;
using static QuikDawEditor.EDITING.StaticProperties;

namespace QuikDawEditor.EDITING.PianoRollModel;

public class PianoKey : INotifyPropertyChanged
{

    public PianoKey(int noteval, double keyheight)
    {
        NoteNo = noteval;
        keyYPos = (NumMidiNotesVertical - noteval - 1) * keyheight;
        switch (noteval % 12)
        {
            // C#, Eb, F#, Ab, Bb  // Black keys
            case 1:
            case 3:
                PianoKeySourcePlay = "/EDITING/images/PianoKeyB.png";
                PianoKeySourceHover = "/EDITING/images/PianoKeyBx.png";
                keyYPos -= 1;
                break;
            case 6:
                PianoKeySourcePlay = "/EDITING/images/PianoKeyB.png";
                PianoKeySourceHover = "/EDITING/images/PianoKeyBx.png";
                keyYPos -= 3;
                break;
            case 8:
                PianoKeySourcePlay = "/EDITING/images/PianoKeyB.png";
                PianoKeySourceHover = "/EDITING/images/PianoKeyBx.png";
                keyYPos -= 2;
                break;
            case 10:
                PianoKeySourcePlay = "/EDITING/images/PianoKeyB.png";
                PianoKeySourceHover = "/EDITING/images/PianoKeyBx.png";
                break;

            case 0:
            case 5:
                PianoKeySourcePlay = "/EDITING/images/PianoKeyWL.png";
                PianoKeySourceHover = "/EDITING/images/PianoKeyWLx.png";
                keyYPos -= 6;
                break;

            case 4:
            case 11:
                PianoKeySourcePlay = "/EDITING/images/PianoKeyWR.png";
                PianoKeySourceHover = "/EDITING/images/PianoKeyWRx.png";
                keyYPos -= 1;
                break;

            case 2:
            case 7:
            case 9:
                PianoKeySourcePlay = "/EDITING/images/PianoKeyWC.png";
                PianoKeySourceHover = "/EDITING/images/PianoKeyWCx.png";
                keyYPos -= 5;
                break;

        }
    }

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

    public int NoteNo;

    public Visibility PianoKeyVisibility { get { return _IsPlaying | _IsHovering ? Visibility.Visible : Visibility.Hidden; } }
    public string PianoKeySource { get { return IsPlaying ? PianoKeySourcePlay : IsHovering ? PianoKeySourceHover : PianoKeySourceHover; } }

    private string PianoKeySourcePlay;
    private string PianoKeySourceHover;

    private double _PianoKeyOpacity = 0.8;
    public double PianoKeyOpacity { get { return _PianoKeyOpacity; } set { _PianoKeyOpacity = value; NotifyPropertyChanged(nameof(PianoKeyOpacity)); } }

    private bool _IsPlaying = false;
    private bool _IsHovering = false;
    public bool IsPlaying { get { return _IsPlaying; } set { _IsPlaying = value; NotifyPropertyChanged(nameof(PianoKeySource)); NotifyPropertyChanged(nameof(PianoKeyVisibility)); } }
    public bool IsHovering { get { return _IsHovering; } set { _IsHovering = value; NotifyPropertyChanged(nameof(PianoKeySource)); NotifyPropertyChanged(nameof(PianoKeyVisibility)); } }

    public Thickness PianoKeyMargin { get { return new Thickness(-1, _keyYPos, 0, 0); } }
    private double _keyYPos = 0;
    public double keyYPos { get { return _keyYPos; } set { _keyYPos = value; NotifyPropertyChanged(nameof(PianoKeyMargin)); } }
}