using System;
using System.Reflection;
using UnityEngine;

namespace EnergyBarToolkit
{
	[Serializable]
	public class ObjectFinder
	{
		[Flags]
		public enum Method
		{
			ByPath = 1,
			ByTag = 2,
			ByType = 4,
			ByReference = 8
		}

		public Method chosenMethod = Method.ByType;

		public string path;

		public string tag;

		public GameObject reference;

		public string typeString;

		public string assembly;

		public ObjectFinder(Type type, string defaultPath = "", string defaultTag = "", Method defaultMethod = Method.ByType)
		{
			path = defaultPath;
			tag = defaultTag;
			chosenMethod = defaultMethod;
			typeString = type.ToString();
			assembly = Assembly.GetExecutingAssembly().FullName;
		}

		public T Lookup<T>(UnityEngine.Object parent) where T : Component
		{
			switch (chosenMethod)
			{
			case Method.ByPath:
			{
				GameObject gameObject = GameObject.Find(path);
				if (gameObject != null)
				{
					return GetComponent<T>(gameObject);
				}
				Debug.LogError("Cannot find object on path " + path, parent);
				return (T)null;
			}
			case Method.ByTag:
			{
				GameObject gameObject2 = GameObject.FindWithTag(tag);
				if (gameObject2 != null)
				{
					return GetComponent<T>(gameObject2);
				}
				Debug.LogError("Cannot find object by tag " + tag, parent);
				return (T)null;
			}
			case Method.ByType:
			{
				Type type = GetType();
				UnityEngine.Object obj = UnityEngine.Object.FindObjectOfType(type);
				if (obj == null)
				{
					Debug.LogError("Cannot find object of type " + type, parent);
				}
				return obj as T;
			}
			case Method.ByReference:
				return GetComponent<T>(reference);
			default:
				throw new ArgumentOutOfRangeException();
			}
		}

		private T GetComponent<T>(GameObject go) where T : Component
		{
			T component = go.GetComponent<T>();
			if (component == null)
			{
				Debug.LogError("Cannot find component " + typeString + " on " + go, go);
			}
			return component;
		}

		private new Type GetType()
		{
			return Type.GetType(typeString + ", " + assembly);
		}
	}
}