using System;
using System.Collections.Generic;
using System.Diagnostics;
using SUISS.Storage;
using UnityEngine;

namespace SUISSEngine
{
	public class IslandState : MonoBehaviour
	{
		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event IslandState.ValueChangedHandler ValueChanged;

		protected virtual void Awake()
		{
			if (this.values == null)
			{
				this.LoadState();
			}
		}

		protected virtual void Start()
		{
		}

		protected virtual void OnDestroy()
		{
			this.ValueChanged = null;
		}

		public static IslandState ParentOf(Component comp)
		{
			return comp.GetComponentInParent<IslandState>();
		}

		public virtual T GetValue<T>(string key, T defaultValue)
		{
			if (this.values == null)
			{
				this.LoadState();
			}
			object obj;
			if (!this.values.TryGetValue(key, out obj))
			{
				return defaultValue;
			}
			if (obj is T)
			{
				return (T)((object)obj);
			}
			return defaultValue;
		}

		public virtual void SetValue(string key, object value)
		{
			if (this.isNewGameState)
			{
				this.values[key] = value;
			}
			else
			{
				if (this.values == null)
				{
					this.LoadState();
				}
				object obj;
				if (!this.values.TryGetValue(key, out obj))
				{
					obj = null;
				}
				if (!object.Equals(obj, value))
				{
					this.values[key] = value;
					this.OnValueChanged(key, obj, value);
				}
			}
		}

		protected virtual void LoadState()
		{
			Storage storage = Storage.Get(StorageLifecycle.Game);
			if (storage.Root.ContainsKey(this.StorageKey))
			{
				this.values = (Dictionary<string, object>)storage.Root[this.StorageKey];
			}
			else
			{
				this.values = new Dictionary<string, object>();
				storage.Root[this.StorageKey] = this.values;
				this.isNewGameState = true;
				this.OnNewGameState();
				this.isNewGameState = false;
			}
		}

		protected virtual void OnValueChanged(string key, object oldValue, object newValue)
		{
			if (this.ValueChanged != null)
			{
				this.ValueChanged(key, oldValue, newValue);
			}
		}

		protected virtual void OnNewGameState()
		{
		}

		public string StorageKey;

		protected Dictionary<string, object> values;

		protected bool isNewGameState;

		public delegate void ValueChangedHandler(string key, object oldValue, object newValue);
	}
}