//============================================================================
//
//   SSSS    tt          lll  lll
//  SS  SS   tt           ll   ll
//  SS     tttttt  eeee   ll   ll   aaaa
//   SSSS    tt   ee  ee  ll   ll      aa
//      SS   tt   eeeeee  ll   ll   aaaaa  --  "An Atari 2600 VCS Emulator"
//  SS  SS   tt   ee      ll   ll  aa  aa
//   SSSS     ttt  eeeee llll llll  aaaaa
//
// Copyright (c) 1995-2021 by Bradford W. Mott, Stephen Anthony
// and the Stella Team
//
// See the file "License.txt" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//============================================================================

#ifndef STELLA_DB_HXX
#define STELLA_DB_HXX

#include "bspf.hxx"
#include "SqliteDatabase.hxx"
#include "repository/KeyValueRepository.hxx"
#include "repository/CompositeKeyValueRepository.hxx"
#include "FSNode.hxx"

class StellaDb
{
  public:

    StellaDb(const string& databaseDirectory, const string& databaseName);

    void initialize();

    KeyValueRepositoryAtomic& settingsRepository() const { return *mySettingsRepository; }
    CompositeKeyValueRepository& propertyRepository() const { return *myPropertyRepository; }
    CompositeKeyValueRepositoryAtomic& highscoreRepository() const { return *myHighscoreRepository; }

    const string databaseFileName() const;

    bool isValid() const;

  private:

    void initializeDb();
    void importOldSettings();
    void importStellarc(const FilesystemNode& node);
    void importOldStellaDb(const FilesystemNode& node);
    void importOldPropset(const FilesystemNode& node);

    void migrate();

  private:

    string myDatabaseDirectory;
    string myDatabaseName;

    shared_ptr<SqliteDatabase> myDb;
    unique_ptr<KeyValueRepositoryAtomic> mySettingsRepository;
    unique_ptr<KeyValueRepositoryAtomic> myPropertyRepositoryHost;
    unique_ptr<CompositeKeyValueRepository> myPropertyRepository;
    unique_ptr<CompositeKeyValueRepositoryAtomic> myHighscoreRepository;
};

#endif // STELLA_DB_HXX
