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

#include <Swift/Controllers/HistoryViewController.h>

#include <Swift/Controllers/UIInterfaces/HistoryWindowFactory.h>
#include <Swift/Controllers/UIEvents/RequestHistoryUIEvent.h>
#include <Swift/Controllers/HistoryController.h>
#include <Swiften/History/HistoryMessage.h>

namespace Swift {

HistoryViewController::HistoryViewController(
		UIEventStream* uiEventStream,
		HistoryController* historyController,
		HistoryWindowFactory* historyWindowFactory) :
			uiEventStream_(uiEventStream),
			historyController_(historyController),
			historyWindowFactory_(historyWindowFactory),
			historyWindow_(NULL) {
	uiEventStream_->onUIEvent.connect(boost::bind(&HistoryViewController::handleUIEvent, this, _1));
}

HistoryViewController::~HistoryViewController() {
	uiEventStream_->onUIEvent.disconnect(boost::bind(&HistoryViewController::handleUIEvent, this, _1));
	if (historyWindow_) {
		historyWindow_->onSelectedContactChanged.disconnect(boost::bind(&HistoryViewController::handleSelectedContactChanged, this, _1));
		delete historyWindow_;
		delete roster_;
	}
}

void HistoryViewController::handleUIEvent(boost::shared_ptr<UIEvent> rawEvent) {
	boost::shared_ptr<RequestHistoryUIEvent> event = boost::dynamic_pointer_cast<RequestHistoryUIEvent>(rawEvent);
	if (event != NULL) {
		if (historyWindow_ == NULL) {
			historyWindow_ = historyWindowFactory_->createHistoryWindow(uiEventStream_);
			historyWindow_->onSelectedContactChanged.connect(boost::bind(&HistoryViewController::handleSelectedContactChanged, this, _1));

			roster_ = new Roster(false, true);
			historyWindow_->setRosterModel(roster_);

			std::vector<JID> contacts = historyController_->getAllContacts();
			for (std::vector<JID>::iterator it = contacts.begin(); it != contacts.end(); it++) {
				roster_->addContact(*it, *it, *it, "Recent", "");
			}
		}

		historyWindow_->activate();
	}
}

void HistoryViewController::handleSelectedContactChanged(RosterItem* newContact) {
	// TODO: check if actually changed
	// FIXME: signal is triggerd twice.
	if (newContact == NULL) {
		return;
	}

	ContactRosterItem* contact = dynamic_cast<ContactRosterItem*>(newContact);

	std::vector<HistoryMessage> messages; //TODO = historyController_->getMessages(contact->getJID());
	for (std::vector<HistoryMessage>::iterator it = messages.begin(); it != messages.end(); it++) {
		historyWindow_->addMessage(*it);
	}
}

}