using System;
using System.Diagnostics;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Shapes;
using static QuikDawEditor.EDITING.MiscMethods;
using static QuikDawEditor.EDITING.StaticProperties;

namespace QuikDawEditor;

public partial class EditingControl
{
  
    bool _mouseOverRight = false;
    bool _mouseOverLeft = false;
    bool MouseOverRangeRectRight { get { return _mouseOverRight; } set { _mouseOverRight = value; Cursor = value ? Cursors.SizeWE : Cursors.Arrow; } }
    bool MouseOverRangeRectLeft { get { return _mouseOverLeft; } set { _mouseOverLeft = value; Cursor = value ? Cursors.SizeWE : Cursors.Arrow; } }
    bool MouseDownOverRangeRectRight;
    bool MouseDownOverRangeRectLeft;
    double MinSelectRectWidthMs { get { return Math.Max(1000,  2000 / editingProject.ViewXZoomFac); } }


    private void LoopRangeSelectionRect_MouseMove(object sender, MouseEventArgs e)
    {

        Border thisBorder = (Border)sender;

        double relMouseX = e.GetPosition(thisBorder).X / editingProject.ViewXZoomFac;
        

        if (MouseDownOverRangeRectRight)
        {
            thisBorder.CaptureMouse();
            editingProject.LoopRangeWidthMs = Math.Max(MinSelectRectWidthMs, GetNearestSnapMs(PixelsToMsec(relMouseX), editingProject.CurrentSnapTo));
            return;
        }

        if (MouseDownOverRangeRectLeft)
        {
            thisBorder.CaptureMouse();

            double newLeftMs = GetNearestSnapMs(Math.Min(Math.Max(0, editingProject.LoopRangeLeftMs + PixelsToMsec(relMouseX)),
                editingProject.LoopRangeLeftMs + editingProject.LoopRangeWidthMs - Math.Max(MinSelectRectWidthMs, GetSnapMsVal(editingProject.CurrentSnapTo))), editingProject.CurrentSnapTo);
            double changeXMs = editingProject.LoopRangeLeftMs - newLeftMs;
            editingProject.LoopRangeLeftMs = newLeftMs;
            editingProject.LoopRangeWidthMs += changeXMs;

            return;
        }

        MouseOverRangeRectRight = false;
        MouseOverRangeRectLeft = false;

        if (e.GetPosition(thisBorder).X > editingProject.LoopRangeWidthPix - 14)
            MouseOverRangeRectRight = true;
        if (e.GetPosition(thisBorder).X < 14)
            MouseOverRangeRectLeft = true;

    }

    private void LoopRangeSelectionRect_MouseDown(object sender, MouseButtonEventArgs e)
    {
        MouseDownOverRangeRectRight = MouseOverRangeRectRight;
        MouseDownOverRangeRectLeft = MouseOverRangeRectLeft;
        if (MouseDownOverRangeRectRight | MouseDownOverRangeRectLeft)
            ((Border)sender).CaptureMouse();

    }

    private void LoopRangeSelectionRect_MouseUp(object sender, MouseButtonEventArgs e)
    {
        Border thisBorder = (Border)sender;
        MouseOverRangeRectRight = false;
        MouseOverRangeRectLeft = false;
        MouseDownOverRangeRectRight = false;
        MouseDownOverRangeRectLeft = false;
        thisBorder.ReleaseMouseCapture();

    }

    private void LoopRangeSelectionRect_MouseLeave(object sender, MouseEventArgs e)
    {
        MouseOverRangeRectRight = false;
        MouseOverRangeRectLeft = false;
        Border thisRect = (Border)sender;
        thisRect.ReleaseMouseCapture();
    }

    bool MouseOverFlagsDPRight = false;
    bool MouseOverFlagsDPLeft = false;
    bool MouseDownOnFlagsDPRight = false;
    bool MouseDownOnFlagsDPLeft = false;

    private void RangeSelectRectFlagsDP_PreviewMouseMove(object sender, MouseEventArgs e)
    {
        double mouseX = e.GetPosition(RangeSelectRectFlagsDP).X;
        if (MouseDownOnFlagsDPLeft)
        {
            double newLeftMs = GetNearestSnapMs(Math.Min(Math.Max(0, PixelsToMsecZoomed(e.GetPosition(ScaleBarGrid).X)),
                editingProject.LoopRangeLeftMs + editingProject.LoopRangeWidthMs - Math.Max(MinSelectRectWidthMs, GetSnapMsVal(editingProject.CurrentSnapTo))), editingProject.CurrentSnapTo);
            double changeXMs = editingProject.LoopRangeLeftMs - newLeftMs;
            editingProject.LoopRangeLeftMs = newLeftMs;
            editingProject.LoopRangeWidthMs += changeXMs;
            return;
        }

        if (MouseDownOnFlagsDPRight)
        {
            editingProject.LoopRangeWidthMs = Math.Max(MinSelectRectWidthMs, GetNearestSnapMs(PixelsToMsecZoomed(mouseX), editingProject.CurrentSnapTo));
            return;
        }

        MouseOverFlagsDPRight = RangeSelectRectFlagsDP.ActualWidth - mouseX < 10;
        MouseOverFlagsDPLeft = mouseX < 10;

        if (MouseOverFlagsDPLeft || MouseOverFlagsDPRight)
            Cursor = Cursors.SizeWE;
        else
            Cursor = Cursors.Arrow;



    }

    private void RangeSelectRectFlagsDP_MouseLeave(object sender, MouseEventArgs e)
    {
        MouseOverFlagsDPLeft = false;
        MouseOverFlagsDPRight = false;
        MouseDownOnFlagsDPLeft = false;
        MouseDownOnFlagsDPRight = false;
        Cursor = Cursors.Arrow;

    }

    private void RangeSelectRectFlagsDP_PreviewMouseDown(object sender, MouseButtonEventArgs e)
    {
        MouseDownOnFlagsDPRight = MouseOverFlagsDPRight;
        MouseDownOnFlagsDPLeft = MouseOverFlagsDPLeft;
        if (MouseDownOnFlagsDPLeft || MouseDownOnFlagsDPRight)
        {
            RangeSelectRectFlagsDP.CaptureMouse();
            e.Handled = true;
        }

    }

    private void RangeSelectRectFlagsDP_PreviewMouseUp(object sender, MouseButtonEventArgs e)
    {
        MouseDownOnFlagsDPLeft = false;
        MouseDownOnFlagsDPRight = false;
        RangeSelectRectFlagsDP.ReleaseMouseCapture();
        e.Handled = true;

    }


}