namespace Guru
{

    using UnityEngine;

    
    public abstract class GuruModelBase
    {


        #region DataIO

        private double _lastSavedTime = 0;
        
        protected double _saveInterval = 3;
        protected string DefaultSaveKey => GetType().Name;
        
        /// <summary>
        /// 加载数据 IO 接口
        /// </summary>
        /// <param name="saveKey"></param>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        internal static T LoadIO<T>(string saveKey = "") where T : GuruModelBase, new()
        {
            if (string.IsNullOrEmpty(saveKey)) saveKey = typeof(T).Name;
            if (PlayerPrefs.HasKey(saveKey))
            {
                var json = PlayerPrefs.GetString(saveKey, "");
                if (!string.IsNullOrEmpty(json))
                {
                    // return JsonUtility.FromJson<T>(json);
                    return JsonParser.ToObject<T>(json);
                }
            }
            return new T();
        }

        /// <summary>
        /// 保存数据 IO 接口
        /// </summary>
        /// <param name="saveKey"></param>
        protected void SaveIO(string saveKey = "")
        {
            if (string.IsNullOrEmpty(saveKey)) saveKey = DefaultSaveKey;
            var json = JsonParser.ToJson(this);
            PlayerPrefs.SetString(saveKey, json);
            PlayerPrefs.Save();
        }

        /// <summary>
        /// 保存数据
        /// </summary>
        /// <param name="force"></param>
        public virtual void Save(bool force = false)
        {
            bool save = force || (Time.realtimeSinceStartup - _lastSavedTime>= _saveInterval);
            if (save)
            {
                _lastSavedTime = Time.realtimeSinceStartup;
                SaveIO();
            }
        }



        #endregion
        
        
        
    }
}