using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using VDash.UI.ActionEditors;
using VDash.Utilities;

namespace VDash.Overlay.Actions
{
    [OverlayActionInfo("Resize Window", typeof(ResizeWindowActionEditor))]
    public class ResizeWindowAction : IWindowAction
    {
        public int NewWidth { get; set; }
        public int NewHeight { get; set; }
        public bool Enabled { get; set; } = true;

        public ResizeWindowAction(int newWidth, int newHeight)
        {
            NewWidth = newWidth;
            NewHeight = newHeight;
        }

        public ResizeWindowAction() { }

        public void PreformAction(IOverlay intOverlay)
        {
            if (!Enabled) { return; }
            if (!intOverlay.GetType().IsAssignableFrom(typeof(WindowOverlay)))
            {
                Console.WriteLine("This action cannot be performed on a non-WindowOverlay overlay.");
                return;
            }

            WindowOverlay overlay = (WindowOverlay)intOverlay;
            IntPtr handle = overlay.Config.Selector.GetWindowHandle();
            PreformAction(handle);
        }

        public void PreformAction(IntPtr handle)
        {
            //Retain old rect
            User32.Rect rect = new User32.Rect();
            User32.GetWindowRect(handle, ref rect);

            User32.SetWindowPos(handle, IntPtr.Zero, rect.left, rect.bottom, NewWidth, NewHeight, User32.SetWindowPosFlags.DoNotActivate |
                User32.SetWindowPosFlags.IgnoreMove | User32.SetWindowPosFlags.IgnoreZOrder |
                User32.SetWindowPosFlags.DoNotChangeOwnerZOrder);
        }

        public override string ToString()
        {
            var attribute = (OverlayActionInfo)this.GetType().GetCustomAttributes(typeof(OverlayActionInfo), false).Single();
            return $"{attribute.Description} ({NewWidth}x{NewHeight})";
        }
    }
}