#nullable enable

using System;
using Content.Client.UserInterface.Stylesheets;
using Content.Shared.Actions;
using Robust.Client.UserInterface;
using Robust.Client.UserInterface.Controls;
using Robust.Client.Utility;

namespace Content.Client.UserInterface
{
    /// <summary>
    /// An individual action visible in the action menu.
    /// </summary>
    public class ActionMenuItem : ContainerButton
    {
        // shorter than default tooltip delay so user can
        // quickly explore what each action is
        private const float CustomTooltipDelay = 0.2f;

        public BaseActionPrototype Action { get; private set; }

        private Action<ActionMenuItem> _onControlFocusExited;

        public ActionMenuItem(BaseActionPrototype action, Action<ActionMenuItem> onControlFocusExited)
        {
            _onControlFocusExited = onControlFocusExited;
            Action = action;

            CustomMinimumSize = (64, 64);
            SizeFlagsVertical = SizeFlags.None;

            AddChild(new TextureRect
            {
                SizeFlagsHorizontal = SizeFlags.FillExpand,
                SizeFlagsVertical = SizeFlags.FillExpand,
                Stretch = TextureRect.StretchMode.Scale,
                Texture = action.Icon.Frame0()
            });

            TooltipDelay = CustomTooltipDelay;
            TooltipSupplier = SupplyTooltip;
        }

        protected override void ControlFocusExited()
        {
            base.ControlFocusExited();
            _onControlFocusExited.Invoke(this);
        }

        private Control SupplyTooltip(Control? sender)
        {
            return new ActionAlertTooltip(Action.Name, Action.Description, Action.Requires);
        }

        /// <summary>
        /// Change how this is displayed depending on if it is granted or revoked
        /// </summary>
        public void SetActionState(bool granted)
        {
            if (granted)
            {
                if (HasStyleClass(StyleNano.StyleClassActionMenuItemRevoked))
                {
                    RemoveStyleClass(StyleNano.StyleClassActionMenuItemRevoked);
                }
            }
            else
            {
                if (!HasStyleClass(StyleNano.StyleClassActionMenuItemRevoked))
                {
                    AddStyleClass(StyleNano.StyleClassActionMenuItemRevoked);
                }
            }
        }

    }
}