#pragma once

/**
 * \file CommandVisitor.h
 * \brief File containing the sp::protocol::CommandVisitor class
 */

#include <sp/protocol/command/Commands.h>

namespace sp {
namespace protocol {

#define DeclareCommand(CommandName, ...)                                                                                              \
	/** This function is called when the packet processed by CommandVisitor::Check is a CommandName */                                \
	virtual void Visit(const commands::CommandName&) {}

/**
 * \class CommandVisitor
 * \brief This class uses double-dispatch in order to find the real type of a packet
 */
class CommandVisitor : private NonCopyable {
  protected:
	CommandVisitor() {}
	virtual ~CommandVisitor() {}

  public:
	/**
	 * \brief Calls the right CommandVisitor::Visit method corresponding to the real type of the packet
	 * \param packet the Command to visit
	 */
	void Check(const Command& packet);

	DeclareAllCommand()
};

#undef DeclareCommand

}  // namespace protocol
}  // namespace sp