using System;
using System.Collections.Generic;
using UnityEngine;

public class ContinuePickUpHandler : MonoBehaviour
{
	private List<ConutinuePickUpZone> _curZoneList;

	private ConutinuePickUpZone _curZone;

	public event Action<ConutinuePickUpZone> onEnterContinueItem;

	public event Action onExitContinueItem;

	public void Setup()
	{
		_curZoneList = new List<ConutinuePickUpZone>();
	}

	private void OnTriggerEnter(Collider other)
	{
		ConutinuePickUpZone zone = other.GetComponentInParent<ConutinuePickUpZone>();
		if (zone != null)
		{
			_curZoneList.Add(zone);
		}
		UpdateZone();
	}

	private void OnTriggerExit(Collider other)
	{
		ConutinuePickUpZone zone = other.GetComponentInParent<ConutinuePickUpZone>();
		if (zone != null)
		{
			zone.ActiveZone(active: false);
			_curZoneList.Remove(zone);
		}
		UpdateZone();
	}

	private void UpdateZone()
	{
		if (_curZoneList.Count == 0)
		{
			if (_curZone != null)
			{
				_curZone.ActiveZone(active: false);
				_curZone = null;
			}
			if (this.onExitContinueItem != null)
			{
				this.onExitContinueItem();
			}
			return;
		}
		ConutinuePickUpZone last = _curZoneList[_curZoneList.Count - 1];
		if (_curZone != last)
		{
			if (_curZone != null)
			{
				_curZone.ActiveZone(active: false);
			}
			last.ActiveZone(active: true);
			_curZone = last;
			if (this.onEnterContinueItem != null)
			{
				this.onEnterContinueItem(last);
			}
		}
	}
}