using NEG.UI.Area;
using NEG.UI.WindowSlot;
using UnityEngine;

namespace NEG.UI.Window
{
    public interface IWindow
    {
        IWindowSlot Parent { get; }
        IArea ChildWindowArea { get; }
        
        /// <summary>
        /// Call internally by slot to open window
        /// </summary>
        /// <param name="parentSlot">Slot that opens window</param>
        internal void Open(IWindowSlot parentSlot);
        
        /// <summary>
        /// Call internally to close window by slot
        /// </summary>
        internal void Close();
    }

    public static class WindowInterfaceExtensions
    {
        //Open 
        public static void Open(this IWindow window, IWindowSlot slot = null)
        {
            if(slot != null)
                slot.AttachWindow(window);
            else
                UiManager.Instance.CurrentArea.OpenWindow(window);
        }
        public static void Open(this IWindow window, IArea area) => area.OpenWindow(window);
        public static void OpenChildWindow(this IWindow window, IWindow windowToOpen, IWindowSlot slot = null)
        {
            if (window.ChildWindowArea == null)
            {
                Debug.LogError("This window doesn't contain area for child windows");
                return;
            }
            //TODO: DO it
            //window.ChildWindowArea.OpenWindow(windowToOpen, slot);
        }

        public static void Close(this IWindow window) => window.Parent.DetachWindow(window);
    }
}