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

namespace QuikDawEditor
{

    public partial class MixerControl : UserControl
    {
        public MixerControl()
        {
            InitializeComponent();
        }

        bool MouseOverBorderTop = false;
        bool MouseDownOnBorderTop = false;
        double MouseDownOnBorderY = 0;
        double MouseDownStartHeight;

        private void MixerPanel_PreviewMouseUp(object sender, MouseButtonEventArgs e)
        {
            MouseDownOnBorderTop = false;
            this.ReleaseMouseCapture();

        }

        private void MixerPanel_PreviewMouseDown(object sender, MouseButtonEventArgs e)
        {
            if (MouseOverBorderTop)
            {
                MouseDownOnBorderTop = true;
                MouseDownOnBorderY = e.GetPosition(this).Y;
                MouseDownStartHeight = this.ActualHeight;
                this.CaptureMouse();
                return;
            }
        }

        private void MixerPanel_PreviewMouseMove(object sender, MouseEventArgs e)
        {
            if (MouseDownOnBorderTop)
            {
                this.Height = MouseDownStartHeight + (MouseDownOnBorderY - e.GetPosition(this).Y);
                return;
            }
                

           if (e.GetPosition(this).Y < 10)
            {
                MouseOverBorderTop = true;
                Cursor = Cursors.SizeNS;
                return;
            }
           else
            {
                MouseOverBorderTop = false;
                Cursor = Cursors.Arrow;
            }
                
        }

        private void MixerTracksIC_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
        {
            MixerSV.ScrollToHorizontalOffset(MixerSV.HorizontalOffset + Math.Sign(e.Delta) * 10);
            
        }

        private void HideBut_Click(object sender, RoutedEventArgs e)
        {
            editingProject.IsMixerVisible = false;
            editingProject.NeedsSaving = true;
        }
    }
}