using UnityEngine;
using System.Collections.Generic;

public static class SaveSystem
{
    // ============================================================
    //  BASIC TYPES
    // ============================================================

    public static void SaveInt(string key, int value)
    {
        PlayerPrefs.SetInt(key, value);
        PlayerPrefs.Save();
    }

    public static int LoadInt(string key, int defaultValue = 0)
    {
        return PlayerPrefs.GetInt(key, defaultValue);
    }

    public static void SaveFloat(string key, float value)
    {
        PlayerPrefs.SetFloat(key, value);
        PlayerPrefs.Save();
    }

    public static float LoadFloat(string key, float defaultValue = 0f)
    {
        return PlayerPrefs.GetFloat(key, defaultValue);
    }

    public static void SaveBool(string key, bool value)
    {
        PlayerPrefs.SetInt(key, value ? 1 : 0);
        PlayerPrefs.Save();
    }

    public static bool LoadBool(string key, bool defaultValue = false)
    {
        return PlayerPrefs.GetInt(key, defaultValue ? 1 : 0) == 1;
    }

    public static void SaveString(string key, string value)
    {
        PlayerPrefs.SetString(key, value);
        PlayerPrefs.Save();
    }

    public static string LoadString(string key, string defaultValue = "")
    {
        return PlayerPrefs.GetString(key, defaultValue);
    }

    // ============================================================
    //  JSON LIST / ARRAY SAVE
    // ============================================================

    public static void SaveList<T>(string key, List<T> list)
    {
        string json = JsonUtility.ToJson(new Wrapper<T>(list));
        PlayerPrefs.SetString(key, json);
        PlayerPrefs.Save();
    }

    public static List<T> LoadList<T>(string key)
    {
        string json = PlayerPrefs.GetString(key, "");

        if (string.IsNullOrEmpty(json))
            return new List<T>();

        Wrapper<T> wrapper = JsonUtility.FromJson<Wrapper<T>>(json);
        return wrapper.items ?? new List<T>();
    }

    [System.Serializable]
    private class Wrapper<T>
    {
        public List<T> items;

        public Wrapper(List<T> list)
        {
            items = list;
        }
    }

    // ============================================================
    //  DELETE SYSTEM
    // ============================================================

    public static void DeleteKey(string key)
    {
        PlayerPrefs.DeleteKey(key);
    }

    public static void DeleteAll()
    {
        PlayerPrefs.DeleteAll();
    }

    // ============================================================
    //  SAFETY BACKUP
    // ============================================================

    public static void Backup(string key)
    {
        if (!PlayerPrefs.HasKey(key)) return;

        string val = PlayerPrefs.GetString(key, "");
        PlayerPrefs.SetString(key + "_backup", val);
        PlayerPrefs.Save();
    }

    public static void RestoreBackup(string key)
    {
        if (!PlayerPrefs.HasKey(key + "_backup")) return;

        string val = PlayerPrefs.GetString(key + "_backup", "");
        PlayerPrefs.SetString(key, val);
        PlayerPrefs.Save();
    }

    // ============================================================
    //  MANUAL SAVE (Performans İyileştirmesi)
    // ============================================================

    /// <summary>
    /// Tüm PlayerPrefs değişikliklerini tek seferde diske kaydeder.
    /// Çoklu set işlemlerinden sonra çağırılması önerilir.
    /// </summary>
    public static void Save()
    {
        PlayerPrefs.Save();
    }
}