/*
   client/console.h
   This file is part of the Osirion project and is distributed under 
   the terms of the GNU General Public License version 2 
*/

#ifndef __INCLUDED_CLIENT_CONSOLE_H__
#define __INCLUDED_CLIENT_CONSOLE_H__

#include "sys/consoleinterface.h"

namespace client {

const size_t MAXNOTIFYLINES = 3;
const size_t MAXHISTOLINES = 512;

/// client console implementation
class Console : public sys::ConsoleInterface {
public:
	Console();
	virtual ~Console();

	virtual void flush();

	void draw_console();

	void draw_notify();

	/// clear notifications
	void clear_notify();

	/// draw client notifications or console text
	void draw();

	/// toggle the console on or off
	void toggle();

	/// handle keyboard input
	void keypressed(int key);

	/// true of the console is visible
	inline bool visible() { return console_visible; }

	/// load input history
	void load_history();

	/// save input history
	void save_history();

	/// clear console
	void clear();

	/// initialize client console
	static void init();

	/// shutdown the client console
	static void shutdown();

private:
	// notifications
	size_t 			notify_pos;
	std::string 		notify_text[MAXNOTIFYLINES];
	float 			notify_time[MAXNOTIFYLINES];

	// input history
	std::deque<std::string> history;
	std::deque<std::string>::reverse_iterator history_pos;
	size_t input_pos;

	bool			console_visible;
	size_t 			console_scroll;

};

Console *console();

}

#endif // __INCLUDED_CLIENT_CONSOLE_H__