namespace ET
{
    [FriendClass(typeof(Menu))]
    public static class MenuComponentSystem
    {
        public static Menu initMenu(this MenuComponent self, int id)
        {
            if (self.CheckoutMenu(id) != 0)
            {
                return null;
            }
            Menu menu= self.Add(id, 0);
            menu.Proficiency = 0;
            menu.State = Constant.ConstMenuState.NOT_FULL;
            return menu;
        }
        
        public static Menu Add(this MenuComponent self, int id, int state)
        {
            Menu menu = self.GetChild<Menu>(id);
            if (menu == null)
            {
                menu = self.AddChildWithId<Menu>(id);
                menu.ConfigId = id;
                menu.Proficiency = 0;
                menu.State = Constant.ConstMenuState.NOT_FULL;
            }

            var prof = menu.Config.ProficiencyPerItem;
            if (state == 2 && menu.Config.QualityProficiencyPerItem > 0)
            {
                prof = menu.Config.QualityProficiencyPerItem;
            }
            
            menu.Proficiency += prof;
            if (menu.Proficiency >= menu.Config.NeedProficiency)
            {
                menu.State = Constant.ConstMenuState.FULL;
            }
            return menu;
        }

        public static int CheckoutMenu(this MenuComponent self, int id)
        {
            Menu menu = self.GetChild<Menu>(id);
            if (menu == null)
            {
                return 0;
            }

            return menu.State;
        }
        
        
    }
}