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

// project headers
#include "sector.h"
#include "ship.h"
#include "star.h"

#include "common/console.h"
#include "common/inifile.h"

#include "osirion.h"

// C++ headers
#include <vector>

namespace game {

Ship ship;
Star star;
bool initialized = false;

std::string name; 	// name of the game
std::string label;	// label of the game
std::string author;	// author of the game

// sectors in space
std::vector<Sector*>	sectors;

// TODO datadir should by set by ./configure and read from config.h
// FIXME win32 directory names
void init() 
{
	using common::File;
	using common::IniFile;
	using common::Vector3f;

	conmesg << "Project::OSiRiON " << OSIRION_VERSION << std::endl;
	condebug << "Debug messages enabled" << std::endl;

	// initialize game data locations
	// TODO create game::homedir if it doesn't exist
	File::datadir = "./data/";
	File::homedir = "~/.osirion/";
	File::basedir = "base/";
	File::moddir = "";

	// read game.ini
	IniFile f;
	f.open("ini/game.ini");
	while (f) {
		f.getline();
		if (f.got_key()) {
			if (f.section() == "game") {
				// game::name
				if (f.got_key_string("name", name)); else
				// game::label
				if (f.got_key_string("label", label));	else
				// game::author
				if (f.got_key_string("author", author)); else
				// unknown value
				conwarn << f.name() << " unknown key '" << f.key() << "' at line " << f.line() << std::endl;	
			}
		} else if (f.got_section("game")) {
				
		} else if (f.got_section()) {
			conwarn << f.name() << " unknown section '" << f.section() << "' at line " << f.line() << std::endl;
		}
	}
	f.close();

	conmesg << "game.ini loaded " << name << " [" << label << "] by " << author << std::endl;

	// read world.ini
	std::string tmp;
	Sector *sector =0;

	f.open("ini/world.ini");
	while (f) {
		f.getline();
		if (f.got_key()) {
			if (f.section() == "world") {
				// world::name
				if (f.got_key_string("name", tmp)); else
				// world:label
				if (f.got_key_string("label", tmp)); else
				// unknown value
				conwarn << f.name() << " unknown key '" << f.key() << "' at line " << f.line() << std::endl;
			} else if (f.section() == "sector") {
				// sector::name
				if (f.got_key_string("name", tmp)) {
					sector->name = tmp;
				} else
				// sector:label
				if (f.got_key_string("label", tmp)) {
					sector->label = tmp;
				} else
				// unknown value
				conwarn << f.name() << " unknown key '" << f.key() << "' at line " << f.line() << std::endl;
			}
		} else if (f.got_section("world")) {
			condebug << "[world] section" << std::endl;
		} else if (f.got_section("sector")) {
			sector = new Sector();
			sectors.push_back(sector);
		} else if (f.got_section()) {
			conwarn << f.name() << " unknown section '" << f.section() << "' at line " << f.line() << std::endl;
		}
	}
	f.close();

	conmesg << "Load sectors" << std::endl;
	for (int i =0; i < sectors.size(); i++)
		conmesg << sectors[i]->label << " " << sectors[i]->name << std::endl;

	star.location = Vector3f(256.0f, 0.0f, 256.0f);
	ship.location = Vector3f(0,0,0);

	// all done, ready to run
	initialized = true;	
}

void shutdown()
{
	initialized = false;
	
	// delete every sector object in the sectors vector
	for (int i =0; i< sectors.size(); i++) {
		delete sectors[i];
		sectors[i] = 0;
	}
	// clear the sectors vector
	sectors.clear();
}

void update(float elapsed) 
{
	ship.update(elapsed);
}
	
}; // namespace game