namespace AtlasUtility
{
    using UnityEditor;
    using UnityEngine;

    using System.IO;

    public class SerializeObject : MonoBehaviour
    {
        #region Variable

        public static string DefaultPath
        {
            get { return DefaultDirectory + DefaultName; }
        }

        public static string SerializeObjectPath
        {
            get { return AssetDatabase.GUIDToAssetPath(SerializeObjectGUID); }
        }

        public static string SerializeObjectGUID
        {
            get { return PlayerPrefs.GetString(Key_SerializeObjectGUID, ""); }
        }

        private static string DefaultName = "SerializeObject.prefab";
        private static string DefaultDirectory = "Assets/AtlasUtility/";

        private static string Key_SerializeObjectGUID = "AtlasUtility_SerializeObjectGUID";

        #endregion

        public static AtlasUtility GetAtlasUtility()
        {
            if (File.Exists(SerializeObjectPath))
            {
                return AssetDatabase.LoadAssetAtPath<AtlasUtility>(SerializeObjectPath);
            }
            else
            {
                Create();

                return AssetDatabase.LoadAssetAtPath<AtlasUtility>(SerializeObjectPath);
            }
        }

        public static void Create()
        {
            if (!Directory.Exists(DefaultDirectory))
            {
                Directory.CreateDirectory(DefaultDirectory);
            }

            GameObject serializeObject = new GameObject("AtlasUtility_SerializeObject");

            serializeObject.AddComponent<AtlasUtility>();

            PrefabUtility.CreatePrefab(DefaultPath, serializeObject);

            DestroyImmediate(serializeObject);

            PlayerPrefs.SetString(Key_SerializeObjectGUID, AssetDatabase.AssetPathToGUID(DefaultPath));
        }
    }
}