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#ifndef MaximInterface_SelectRom
#define MaximInterface_SelectRom

#include <MaximInterface/Utilities/Export.h>
#include <MaximInterface/Utilities/Function.hpp>
#include <MaximInterface/Utilities/RomId.hpp>
#include <MaximInterface/Utilities/system_error.hpp>
#include "RomCommands.hpp"

namespace MaximInterface {

class OneWireMaster;

/// Selects a 1-Wire device on the bus for communication.
typedef Function<error_code(OneWireMaster &)> SelectRom;
typedef Function<error_code(OneWireMaster &, const RomId & romId)> SelectRomExt;

/// Selector for a multidrop 1-Wire bus.
class SelectMatchRom {
public:
  typedef SelectRom::argument_type argument_type;
  typedef SelectRom::result_type result_type;

  explicit SelectMatchRom(RomId::const_span romId) { setRomId(romId); }

  RomId::const_span romId() const { return romId_; }
  
  void setRomId(RomId::const_span romId) { copy(romId, make_span(romId_)); }

  MaximInterface_EXPORT error_code operator()(OneWireMaster & master) const;

private:
  RomId::array romId_;
};

/// @brief
/// Selector for a multidrop 1-Wire bus where slaves support the Resume ROM
/// command.
class SelectMatchRomWithResume {
public:
  typedef SelectRom::argument_type argument_type;
  typedef SelectRom::result_type result_type;

  struct SharedData {
    SharedData() : lastRomId() {}
    RomId::array lastRomId;
  };

  SelectMatchRomWithResume(SharedData & data, RomId::const_span romId)
      : data(&data) {
    setRomId(romId);
  }

  void setSharedData(SharedData & data) { this->data = &data; }
  
  RomId::const_span romId() const { return romId_; }
  
  void setRomId(RomId::const_span romId) { copy(romId, make_span(romId_)); }

  MaximInterface_EXPORT error_code operator()(OneWireMaster & master) const;

private:
  SharedData * data;
  RomId::array romId_;
};

} // namespace MaximInterface

#endif