using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;

public static class SaveSystom
{
    #region Json
    /// <summary>
    /// 保存存档
    /// </summary>
    /// <param name="saveFileName">存档文件名</param>
    /// <param name="data">保存的对象（必须能序列化）</param>
    public static void SaveByJson(string saveFileName, object data)
    {
        var json = JsonUtility.ToJson(data);
        // 自动适应各平台的文件保存路径
        var path = Path.Combine(Application.persistentDataPath, saveFileName);

        try
        {
            File.WriteAllText(path, json);

            #if UNITY_EDITOR
            Debug.Log($"文件保存路径:{path}");
            #endif
        }
        catch (System.Exception e)
        {
            #if UNITY_EDITOR
            Debug.LogError($"文件保存失败，路径:{path} \n{e}");
            #endif
        }
    }
    /// <summary>
    /// 读取存档文件
    /// </summary>
    /// <typeparam name="T"></typeparam>
    /// <param name="saveFileName">存档文件名</param>
    /// <returns>如果读取失败返回null</returns>
    public static T LoadFromJson<T>(string saveFileName) where T : class
    {
        var path = Path.Combine(Application.persistentDataPath, saveFileName);

        try
        {
            if (File.Exists(path))
            {
                var json = File.ReadAllText(path);
                return JsonUtility.FromJson<T>(json);
            }

#if UNITY_EDITOR
            Debug.Log($"文件读取路径:{path}");
#endif
        }
        catch (System.Exception e)
        {
#if UNITY_EDITOR
            Debug.LogError($"文件读取失败，路径:{path} \n{e}");
#endif
        }

        return null;
    }

    public static void DeleteSaveFile(string saveFileName)
    {
        var path = Path.Combine(Application.persistentDataPath, saveFileName);

        try
        {
            if (File.Exists(path))
            {
                File.Delete(path);
            }
        }
        catch (System.Exception e)
        {
#if UNITY_EDITOR
            Debug.LogError($"文件删除失败，路径:{path} \n{e}");
#endif
        }
    }

    #endregion
}