#ifndef BSP_Q7S_MEMORY_SDCARDACCESSMANAGER_H_
#define BSP_Q7S_MEMORY_SDCARDACCESSMANAGER_H_

#include "definitions.h"

#include <cstdint>

class MutexIF;

/**
 * @brief   This class manages selecting and switching the active SD card, therefore also
 *          managing the redundancy of the SD cards
 * @details
 * This class will track the currently active users for a SD card. It is always used by the
 * SD card access token automatically to get the currently active SD card in a  thread safe way-
 */
class SdCardAccessManager {
    friend class SdCardAccess;
public:
    virtual ~SdCardAccessManager();

    static void create();

    /**
     * Returns the single instance of the SD card manager.
     */
    static SdCardAccessManager* instance();

    sd::SdCard getPreferedSdCard() const;

    /**
     * Get current number of SD card users
     * @param sdCard
     * @return
     */
    uint8_t getSdCardAccessors(sd::SdCard sdCard) const;

private:
    SdCardAccessManager();
    MutexIF* mutex;

    uint8_t activeAccessesSdCard0 = 0;
    uint8_t activeAccessesSdCard1 = 0;

    static SdCardAccessManager* factoryInstance;
};

#endif /* BSP_Q7S_MEMORY_SDCARDACCESSMANAGER_H_ */