/*
 * command.h -- irccdctl command
 *
 * Copyright (c) 2013-2016 David Demelier <markand@malikania.fr>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _IRCCDCTL_COMMAND_H_
#define _IRCCDCTL_COMMAND_H_

/**
 * @file command.h
 * @brief Irccdctl base command class.
 */

#include <vector>
#include <sstream>
#include <string>

#include <logger.h>
#include <system.h>

#include "irccdctl.h"

namespace irccd {

class Irccdctl;

/**
 * @class Command
 * @brief Irccdctl base command class.
 */
class Command {
public:
	/**
	 * Virtual destructor defaulted.
	 */
	virtual ~Command() = default;

	/**
	 * Show the command line help.
	 *
	 * @param irccdctl the irccdctl instance
	 */
	virtual void usage(Irccdctl &irccdctl) const = 0;

	/**
	 * Execute the function with the command line given arguments.
	 *
	 * The function can throw anything.
	 *
	 * @param irccdctl the irccdctl instance
	 * @param args the command line arguments
	 */
	virtual void exec(Irccdctl &irccdctl, const std::vector<std::string> &args) const = 0;
};

} // !irccd

#endif // !_IRCCDCTL_COMMAND_H_