/*
 * Copyright (c) 2012 Mateusz Piękos
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

#include <Swift/Controllers/WhiteboardManager.h>

#include <boost/bind.hpp>

#include <Swiften/Base/foreach.h>
#include <Swift/Controllers/UIEvents/RequestWhiteboardUIEvent.h>
#include <Swiften/Client/StanzaChannel.h>

namespace Swift {
	typedef std::pair<JID, WhiteboardWindow*> JIDWhiteboardWindowPair;

	WhiteboardManager::WhiteboardManager(WhiteboardWindowFactory* whiteboardWindowFactory, UIEventStream* uiEventStream, StanzaChannel* stanzaChannel) : whiteboardWindowFactory_(whiteboardWindowFactory), uiEventStream_(uiEventStream), stanzaChannel_(stanzaChannel) {
		uiEventConnection_ = uiEventStream_->onUIEvent.connect(boost::bind(&WhiteboardManager::handleUIEvent, this, _1));
	}

	WhiteboardManager::~WhiteboardManager() {
		foreach (JIDWhiteboardWindowPair whiteboardWindowPair, whiteboardWindows_) {
			delete whiteboardWindowPair.second;
		}
	}

	WhiteboardWindow* WhiteboardManager::getWhiteboardWindowOrCreate(const JID& contact) {
		if (whiteboardWindows_.find(contact) == whiteboardWindows_.end()) {
			return createNewWhiteboardWindow(contact);
		}
		return whiteboardWindows_[contact];
	}

	WhiteboardWindow* WhiteboardManager::createNewWhiteboardWindow(const JID& contact) {
		WhiteboardWindow *window = whiteboardWindowFactory_->createWhiteboardWindow(stanzaChannel_, contact);
		whiteboardWindows_[contact] = window;
		return window;
	}

	void WhiteboardManager::handleUIEvent(boost::shared_ptr<UIEvent> event) {
		boost::shared_ptr<RequestWhiteboardUIEvent> whiteboardEvent = boost::dynamic_pointer_cast<RequestWhiteboardUIEvent>(event);
		if (whiteboardEvent) {
			WhiteboardWindow* window = getWhiteboardWindowOrCreate(whiteboardEvent->getContact());
			window->show();
		}
	}
}