#ifndef _CAXIOS_H_
#define _CAXIOS_H_
#include <node.h>
#include <node_object_wrap.h>
#include <string>
#include <json.hpp>
#include "datum_type.h"

namespace caxios{
  class DBManager;
  class CAxios {
  public:
    explicit CAxios(const std::string& str, int flag, const std::string& meta = "");
    ~CAxios();

    std::vector<FileID> GenNextFilesID(int cnt = 1);
    bool AddFiles(const std::vector <std::tuple< FileID, MetaItems, Keywords >>& files);
    bool AddClasses(const std::vector<std::string>& classes, const std::vector<FileID>& filesID);
    bool AddClasses(const std::vector<std::string>& classes);
    bool AddMeta(const std::vector<FileID>& files, const nlohmann::json& meta);
    bool SetTags(const std::vector<FileID>& filesID, const std::vector<std::string>& tags);
    bool GetFilesSnap(std::vector<Snap>& snaps);
    bool GetFilesInfo(const std::vector<FileID>& filesID, std::vector< FileInfo>& filesInfo);
    bool GetUntagFiles(std::vector<FileID>& filesID);
    bool GetUnclassifyFiles(std::vector<FileID>& filesID);
    bool GetTagsOfFiles(const std::vector<FileID>& filesID, std::vector<Tags>& tags);
    bool GetClasses(const std::string& parent, nlohmann::json& classes);
    bool getClassesInfo(const std::string& classPath, nlohmann::json& clsInfo);
    bool GetAllTags(TagTable& tags);
    bool UpdateFileMeta(const std::vector<FileID>& filesID, const nlohmann::json& mutation);
    bool UpdateFilesClasses(const std::vector<FileID>& filesID, const std::vector<std::string>& classes);
    bool UpdateClassName(const std::string& oldName, const std::string& newName);
    bool RemoveFiles(const std::vector<FileID>& files);
    bool RemoveTags(const std::vector<FileID>& files, const Tags& tags);
    bool RemoveClasses(const std::vector<std::string>& classes);
    bool RemoveClasses(const std::vector<std::string>& classes, const std::vector<FileID>& filesID);

    bool Query(const std::string& query, std::vector< FileInfo>& filesInfo);
    bool SearchFiles(const nlohmann::json& query, std::vector< FileInfo>& filesInfo);

  private:
    static void Release(void* data);

  private:
    DBManager* m_pDBManager = nullptr;
  };
}

#endif