/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "pink/pink.h"
#include "pink/objects/module.h"
#include "pink/objects/pages/game_page.h"
#include "pink/objects/actors/lead_actor.h"

namespace Pink {

ModuleProxy::ModuleProxy(const Common::String &name)
		: NamedObject(name) {}

ModuleProxy::ModuleProxy() {}

Module::Module(PinkEngine *game, const Common::String &name)
		: NamedObject(name), _game(game), _page(nullptr) {}

Module::~Module() {
	for (uint i = 0; i < _pages.size(); ++i) {
		delete _pages[i];
	}
}

void Module::load(Archive &archive) {
	archive.mapObject(this);
	NamedObject::deserialize(archive);

	archive.skipString(); // skip directory

	_invMgr.deserialize(archive);
	_pages.deserialize(archive);
}

void Module::init(bool isLoadingSave, const Common::String &pageName) {
	// 0 0  - new game
	// 0 1 - module changed
	// 1 0 - from save
	if (!pageName.empty())
		_page = findPage(pageName);
	else if (!_page)
		_page = _pages[0];

	_page->init(isLoadingSave);
}

void Module::changePage(const Common::String &pageName) {
	_page->unload();
	_page = findPage(pageName);
	_page->init(kLoadingNewGame);
}

GamePage *Module::findPage(const Common::String &pageName) const {
	for (uint i = 0; i < _pages.size(); ++i) {
		if (_pages[i]->getName() == pageName)
			return _pages[i];
	}
	return nullptr;
}

bool Module::checkValueOfVariable(Common::String &variable, Common::String &value) {
	if (!_variables.contains(variable))
		return value == kUndefinedValue;
	return _variables[variable] == value;
}

void Module::loadState(Archive &archive) {
	_invMgr.loadState(archive);
	_variables.deserialize(archive);

	for (uint i = 0; i < _pages.size(); ++i) {
		_pages[i]->loadState(archive);
	}

	_page = findPage(archive.readString());
	_page->loadManagers();
	_page->getLeadActor()->loadState(archive);
}

void Module::saveState(Archive &archive) {
	_invMgr.saveState(archive);
	_variables.serialize(archive);

	for (uint i = 0; i < _pages.size(); ++i) {
		_pages[i]->saveState(archive);
	}

	archive.writeString(_page->getName());
	_page->getLeadActor()->saveState(archive);
}

} // End of namespace Pink