#ifndef TJDUIAPP_EBOOK_MODEL
#define TJDUIAPP_EBOOK_MODEL

#include "TjdUiAppEbookPresenter.h"
#include "ui_view_group.h"

namespace TJD {

class TjdUiAppEbookModel
{
public:
    TjdUiAppEbookModel() {}
    ~TjdUiAppEbookModel() {}
    static TjdUiAppEbookModel &GetInstance(void);

    bool LoadBooksFromJson(const char *filename, std::list<EbookItem> &books);
    void SaveBooksToJson(const char *filename, const std::list<EbookItem> &books);
    void ScanAndUpdateBooks(const char *dirname, std::list<EbookItem> &books);
    void WriteEbookSizesToBinFile(std::string name, const std::vector<uint32_t> &sizes, const char *path);
    std::vector<uint32_t> ReadEbookSizesFromBinFile(std::string name, const char*path, size_t startElement,
                                                 size_t count);
    bool deleteBookById(const char *jsonFilePath, int id);
    void SaveItemBookToJson(const char *filename, const EbookItem itemToUpdate);

private:
};

} // namespace TJD
#endif