using System.Runtime.InteropServices;
using Decal.Interop.Controls;
using Decal.Interop.Inject;
using CmdDestroy = Decal.Interop.Inject.ICommandEvents_DestroyEventHandler;
using CmdHit = Decal.Interop.Inject.ICommandEvents_HitEventHandler;
using CmdUnhit = Decal.Interop.Inject.ICommandEvents_UnhitEventHandler;
using CmdAccepted = Decal.Interop.Inject.ICommandEvents_AcceptedEventHandler;
using CmdCanceled = Decal.Interop.Inject.ICommandEvents_CanceledEventHandler;

namespace Decal.DecalControls
{
    [ComVisible(true)]
    [Guid("AE4525BE-81D1-40FB-9170-77172077EB49")]
    [ClassInterface(ClassInterfaceType.None)]
    [ComSourceInterfaces("Decal.Interop.Inject.ICommandEvents\0\0")]
    [ProgId("DecalControls.PushButton")]
    public class PushButtonImpl : ControlBase, IPushButton
    {
        public event CmdDestroy Destroy;
        public event CmdHit Hit;
        public event CmdUnhit Unhit;
        public event CmdAccepted Accepted;
        public event CmdCanceled Canceled;

        private IImageCache _image;
        private IFontCache _font;
        private string _text = "";
        private int _faceColor;
        private int _textColor;

        public IImageCache Image { get => _image; set { _image = value; Invalidate(); } }
        public IFontCache Font { get => _font; set { _font = value; Invalidate(); } }
        public string Text { get => _text; set { _text = value; Invalidate(); } }
        public int FaceColor { get => _faceColor; set { _faceColor = value; Invalidate(); } }
        public int TextColor { get => _textColor; set { _textColor = value; Invalidate(); } }

        protected override void OnDestroy() => Destroy?.Invoke(ID);

        internal void FireHit() => Hit?.Invoke(ID);
        internal void FireUnhit() => Unhit?.Invoke(ID);
        internal void FireAccepted() => Accepted?.Invoke(ID);
        internal void FireCanceled() => Canceled?.Invoke(ID);
    }
}