using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using VDash.Utilities;

namespace VDash.Overlay.Actions
{
    [OverlayActionInfo("Maximize Window")]
    public class MaximizeWindowAction : IWindowAction
    {
        public bool Enabled { get; set; }
        
        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)
        {
            User32.ShowWindow(handle, User32.ShowWindowCommands.Maximize);
        }

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