/*
   core/gameinterface.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include <cstdlib>
#include <iostream>
#include <iomanip>

#include "auxiliary/functions.h"
#include "core/application.h"
#include "core/cvar.h"
#include "core/func.h"
#include "core/gameinterface.h"
#include "core/player.h"
#include "core/zone.h"
#include "model/model.h"
#include "sys/sys.h"

namespace core
{

void func_list_players(std::string const &args)
{
	game()->list_players();
}

const float MIN_DELTA = 10e-10;

Player GameInterface::game_localplayer;

EntityControlable *localcontrol()
{ 
	if (game()->localplayer())
		return game()->localplayer()->control();
	else
		return 0;
	
}
Player *localplayer()
{ 
	return game()->localplayer();
}

GameInterface::GameInterface()
{
	clear();
	
	game_localplayer.clear();
	if (Cvar::sv_dedicated->value()) {
		game_localplayer.player_name.assign("Console");
	} else {
		game_localplayer.player_name.assign("Player");
		game_localplayer.update_info();
	}

	Func *func = Func::add("list_players", func_list_players);
	func->set_info("get the local list of connected players");
}

GameInterface::~GameInterface()
{
	Func::remove("list_players");

	game_localplayer.clear();

	clear();
}

// clear all game related objects
void GameInterface::clear()
{
	//con_debug << "Clearing game data\n";

	// remove all entities
	for (Entity::Registry::iterator it = Entity::registry().begin(); it != Entity::registry().end(); it++) {
		delete (*it).second;
	}
	Entity::registry().clear();

	// remove all zones
	for (Zone::Registry::iterator it = Zone::registry().begin(); it != Zone::registry().end(); it++) {
		Zone *zone = (*it).second;
		delete zone;
	}
	Zone::registry().clear();

	// remove all game functions
	for (Func::Registry::iterator it = Func::registry().begin(); it != Func::registry().end();) {
		if ( ((*it).second->flags() & Func::Game) == Func::Game) {
			delete (*it).second;
			Func::registry().erase(it++);
		} else {
			++it;
		}
	}

	// remove all game cvars
	for (Cvar::Registry::iterator it = Cvar::registry().begin(); it != Cvar::registry().end(); ) {
		if ( ((*it).second->flags() & Cvar::Game) == Cvar::Game) {
			delete (*it).second;
			Cvar::registry().erase(it++);
		} else {
			++it;
		}
	}

	// remove all models
	model::Model::clear();

	// clear player list
	for (Players::iterator it = game_players.begin(); it != game_players.end(); it++) {
		Player *player = (*it);
		if (player != localplayer()) {
			delete player;
		}
	}

	game_players.clear();
}

void GameInterface::list_players()
{
	using namespace std;
	stringstream msgstr;
	int count = 0;

	for (Players::iterator it = game_players.begin(); it != game_players.end(); it++) {
		msgstr.str("");
		con_print << setw(3) << (*it)->id() << aux::pad_left((*it)->name(), 24) << std::endl;
		count++;
	}

	con_print << count << " connected " << aux::plural("player", count) << std::endl;
}

}