//
// Created by matrixai on 4/2/24.
//

#ifndef TRAIN_RFID_LINUX_FILEUTIL_H
#define TRAIN_RFID_LINUX_FILEUTIL_H

#include <string>
#include <mutex>
#include <fstream>
#include <dirent.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <memory>
#include "json/json.h"

namespace ai_matrix
{
    class FileUtil final
    {
    public:
        static FileUtil *getins();

        //创建文件夹
        std::string create_dir_name(std::string root, std::string name);
        std::string create_dir_date_name_time(std::string root, std::string name);
        std::string create_dir_date(std::string root);
        //创建文件路径
        std::string create_file_path(std::string root, std::string name, std::string suffix);
        //创建文件夹路径
        bool createDirPath(std::string strDirPath);

        /**
		* 拷贝文件
		* @param filePath 源文件位置
		* @param savePath 将要拷贝的新位置
		* @return
		*/
        bool copyFile(std::string filePath, std::string savePath);

        //读取json格式文件内容
        bool readJsonInfo(Json::Value &jvFileInfo, std::string &strFilePath);
        //json格式内容写入文件
        bool writeJsonInfo(Json::Value &jvFileInfo, std::string &strFilePath);


    private:
        FileUtil() = default;
        FileUtil(const FileUtil &) = delete;
        FileUtil(FileUtil &&) = delete;
        FileUtil &operator=(const FileUtil &) = delete;
        FileUtil &operator=(FileUtil &&) = delete;
        ~FileUtil() = default;

        //定义一个嵌套类，负责释放内存，操作系统自动完成，不用担心内存泄露
        class GarbageCollector
        {
        public:
            ~GarbageCollector()
            {
                if (FileUtil::ins)
                {
                    delete FileUtil::ins;
                    FileUtil::ins = nullptr;
                }
            }
        };

        static GarbageCollector gc;
        static FileUtil *ins;
        static std::mutex mx; //锁，保证线程安全
    };
}


#endif //TRAIN_RFID_LINUX_FILEUTIL_H