#ifndef INFOCOMMAND_HH

#define INFOCOMMAND_HH

#include "Command.hh"

#include "InfoTopic.hh"

#include "hash_set.hh"

#include "xxhash.hh"

namespace openmsx {

class InfoCommand final : public Command

{

public:

	InfoCommand(CommandController& commandController, const std::string& name);

	~InfoCommand();

	void   registerTopic(const InfoTopic& topic);

	void unregisterTopic(const InfoTopic& topic);

private:

	// Command

	void execute(std::span<const TclObject> tokens,

	             TclObject& result) override;

	[[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;

	void tabCompletion(std::vector<std::string>& tokens) const override;

	struct NameFromInfoTopic {

		[[nodiscard]] const std::string& operator()(const InfoTopic* t) const {

			return t->getName();

		}

	};

	hash_set<const InfoTopic*, NameFromInfoTopic, XXHasher> infoTopics;

};

} // namespace openmsx

#endif