using System;
using System.Collections.Generic;
using Zeta.Common;
using Zeta.TreeSharp;


namespace LevelSwap.Behaviors
{
    public class HookReplacer
    {
        private static List<Composite> _originalComposites;
        private static Composite _customBehaviors;

        private const string HookName = "BotBehavior";

        public static bool UsingCustomBehavior { get; set; }
        internal static void InsertHooks()
        {
            if (!TreeHooks.Instance.Hooks.ContainsKey(HookName))
                return;

            if (_customBehaviors == null)
            {
                _customBehaviors =
                    new PrioritySelector(
                        CustomBehavior.CreateBehavior()
                    );
            }

            Plugin.WriteToLog("Inserting Custom [" + Plugin.PluginName + "] Behaviors into " + HookName + " Hook");
            UsingCustomBehavior = true;
            TreeHooks.Instance.InsertHook(HookName, 0, _customBehaviors);
        }
        internal static void RemoveHooks()
        {
            if (_customBehaviors != null && UsingCustomBehavior)
            {
                Plugin.WriteToLog("Removing Custom [" + Plugin.PluginName + "] behaviors from " + HookName + " Hook");
                TreeHooks.Instance.RemoveHook(HookName, _customBehaviors);
                UsingCustomBehavior = false;
            }
        }

        internal static void Instance_OnHooksCleared(object sender, EventArgs e)
        {
            UsingCustomBehavior = false;
        }
    }
}