using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using static QuikDawEditor.EDITING.ShorcutKeys;
using static QuikDawEditor.EDITING.StaticProperties;

namespace QuikDawEditor;

public partial class EditorWindow
{
    UserCommandKeyPair ToggleMixerViewUCKP { get { return userCommandKeyPairs.Where(uckp => uckp.CommandName == "ToggleMixerView").FirstOrDefault(); } }
    UserCommandKeyPair TogglePianoRollViewUCKP { get { return userCommandKeyPairs.Where(uckp => uckp.CommandName == "TogglePianoRollView").FirstOrDefault(); } }
    UserCommandKeyPair ToggleShowSelectionRangeUCKP { get { return userCommandKeyPairs.Where(uckp => uckp.CommandName == "ToggleShowSelectionRange").FirstOrDefault(); } }
    UserCommandKeyPair ToggleLoopPlayOnUCKP { get { return userCommandKeyPairs.Where(uckp => uckp.CommandName == "ToggleLoopPlayOn").FirstOrDefault(); } }
    UserCommandKeyPair SetBookmarkUCKP { get { return userCommandKeyPairs.Where(uckp => uckp.CommandName == "SetBookmark").FirstOrDefault(); } }
    UserCommandKeyPair GoToBookmarkUCKP { get { return userCommandKeyPairs.Where(uckp => uckp.CommandName == "GoToBookmark").FirstOrDefault(); } }

    private void Window_PreviewKeyDown(object sender, KeyEventArgs e)
    {

        if (LoadingProject) return;
        if ((e.Key == Key.Escape) && CoverMessageLabel.IsVisible)
            CoverMessageHide();

        if (HotKeysDisabled) return;

        
        //Check for shorcut keys **********************************
        
        if (ToggleMixerViewUCKP?.shortcutKey == e.Key)
            if (ToggleMixerViewUCKP.modifierKeysMatch(Keyboard.Modifiers))
                ToggleMixerView_Execute();

        if (TogglePianoRollViewUCKP?.shortcutKey == e.Key)
            if (TogglePianoRollViewUCKP.modifierKeysMatch(Keyboard.Modifiers))
                TogglePianoRollView_Execute();

        if (ToggleShowSelectionRangeUCKP?.shortcutKey == e.Key)
            if (ToggleShowSelectionRangeUCKP.modifierKeysMatch(Keyboard.Modifiers))
                ToggleShowSelectionRange_Execute();

        if (ToggleLoopPlayOnUCKP?.shortcutKey == e.Key)
            if (ToggleLoopPlayOnUCKP.modifierKeysMatch(Keyboard.Modifiers))
                ToggleLoopPlayOn_Execute();

        if (SetBookmarkUCKP?.shortcutKey == e.Key)
            if (SetBookmarkUCKP.modifierKeysMatch(Keyboard.Modifiers))
                 SetBookmark_Execute();

        if (GoToBookmarkUCKP?.shortcutKey == e.Key)
            if (GoToBookmarkUCKP.modifierKeysMatch(Keyboard.Modifiers))
                 GoToBookmark_Execute();


        //*****************************************************

        if (e.Key == Key.Space && !CoverMessageLabel.IsVisible)
        {
            e.Handled = true;
            if (projPlayer.IsPianoRollPlaying) return;

            if (projPlayer.IsProjectRecording)
                RecordBut.RaiseEvent(new RoutedEventArgs(Button.ClickEvent));
            else
                PlayBut.RaiseEvent(new RoutedEventArgs(Button.ClickEvent));

        }


        if (e.Key == Key.R)
            if (RecordBut.IsEnabled && !projPlayer.IsProjectRecording)
                RecordBut.RaiseEvent(new RoutedEventArgs(Button.ClickEvent));


        if (Keyboard.IsKeyDown(Key.LeftCtrl) && e.Key == Key.S)
            editingProject.Save();


        //Range selection
        if (e.Key == Key.I)
        {
            editingProject.LoopRangeLeftMs = projPlayer.CurrentPlayingPosMS;
            editingProject.LoopRangeSelected = true;
        }
        if (e.Key == Key.O)
            editingProject.LoopRangeWidthMs = projPlayer.CurrentPlayingPosMS - editingProject.LoopRangeLeftMs;

        //Undo
         if (e.Key == Key.Z)
        {
            if (Keyboard.IsKeyDown(Key.LeftCtrl))
            {
                e.Handled = true;
                if (projPlayer.IsProjectPlaying) { InfoText = "Cannot undo while playing!"; return; }
                MainEditor.PerformUndo();
            }
        }
        

    }

    private void TogglePianoRollView_Execute()
    {

        if (editingProject.pianoRoll.myClip == null) return;
        if (projPlayer.IsPianoRollPlaying && editingProject.pianoRoll.IsVisible) return;

        editingProject.pianoRoll.IsVisible = !editingProject.pianoRoll.IsVisible;
        editingProject.NeedsSaving = true;
    }

    
    private void ToggleMixerView_Execute()
    {
        editingProject.IsMixerVisible = !editingProject.IsMixerVisible;
        editingProject.NeedsSaving = true;
    }
    
    private void ToggleShowSelectionRange_Execute()
    {
        editingProject.LoopRangeSelected = !editingProject.LoopRangeSelected;
        projPlayer.IsProjectLooped = false;
        
       editingProject.NeedsSaving = true;
    }

    private void ToggleLoopPlayOn_Execute()
    {
        if (!editingProject.LoopRangeSelected) return;
        projPlayer.IsProjectLooped = !projPlayer.IsProjectLooped;
    }

    private void SetBookmark_Execute()
    {
        editingProject.StartingBookmarkMs = (int)(projPlayer.CurrentPlayingPosMS);
        MainEditor.StartingBookmarkEllipse.Margin = new Thickness(MsecToPixels((double)editingProject.StartingBookmarkMs) * editingProject.ViewXZoomFac, 0, 0, 0);
        MainEditor.TracksContentSV.ScrollToHorizontalOffset(MsecToPixels((double)editingProject.StartingBookmarkMs) * editingProject.ViewXZoomFac - 350);
        
    }

    private void GoToBookmark_Execute()
    {
        MainEditor.TracksContentSV.ScrollToHorizontalOffset(MsecToPixels((double)editingProject.StartingBookmarkMs) * editingProject.ViewXZoomFac - 350);
    }



}