/*

* Copyright (c) 2010-2013 Kevin Smith

* Licensed under the GNU General Public License v3.

* See Documentation/Licenses/GPLv3.txt for more information.

*/

#include <Swift/Controllers/Roster/RosterController.h>

#include <boost/bind.hpp>

#include <boost/smart_ptr/make_shared.hpp>

#include <Swiften/Base/foreach.h>

#include <Swiften/Base/format.h>

#include <Swiften/Base/Path.h>

#include <Swiften/Client/ClientBlockListManager.h>

#include <Swiften/Client/NickManager.h>

#include <Swiften/Client/NickResolver.h>

#include <Swiften/Disco/EntityCapsManager.h>

#include <Swiften/Elements/DiscoInfo.h>

#include <Swiften/FileTransfer/FileTransferManager.h>

#include <Swiften/JID/JID.h>

#include <Swiften/Jingle/JingleSessionManager.h>

#include <Swiften/Presence/PresenceOracle.h>

#include <Swiften/Presence/SubscriptionManager.h>

#include <Swiften/Queries/IQRouter.h>

#include <Swiften/Roster/GetRosterRequest.h>

#include <Swiften/Roster/SetRosterRequest.h>

#include <Swiften/Roster/XMPPRoster.h>

#include <Swiften/Roster/XMPPRosterItem.h>

#include <Swift/Controllers/Intl.h>

#include <Swift/Controllers/Roster/GroupRosterItem.h>

#include <Swift/Controllers/Roster/OfflineRosterFilter.h>

#include <Swift/Controllers/Roster/Roster.h>

#include <Swift/Controllers/Roster/RosterVCardProvider.h>

#include <Swift/Controllers/Roster/ItemOperations/AppearOffline.h>

#include <Swift/Controllers/Roster/ItemOperations/SetAvatar.h>

#include <Swift/Controllers/Roster/ItemOperations/SetAvailableFeatures.h>

#include <Swift/Controllers/Roster/ItemOperations/SetBlockingState.h>

#include <Swift/Controllers/Roster/ItemOperations/SetName.h>

#include <Swift/Controllers/Roster/ItemOperations/SetPresence.h>

#include <Swift/Controllers/Roster/ItemOperations/SetVCard.h>

#include <Swift/Controllers/SettingConstants.h>

#include <Swift/Controllers/UIEvents/AddContactUIEvent.h>

#include <Swift/Controllers/UIEvents/RemoveRosterItemUIEvent.h>

#include <Swift/Controllers/UIEvents/RenameGroupUIEvent.h>

#include <Swift/Controllers/UIEvents/RenameRosterItemUIEvent.h>

#include <Swift/Controllers/UIEvents/SendFileUIEvent.h>

#include <Swift/Controllers/UIInterfaces/MainWindow.h>

#include <Swift/Controllers/UIInterfaces/MainWindowFactory.h>

#include <Swift/Controllers/XMPPEvents/ErrorEvent.h>

#include <Swift/Controllers/XMPPEvents/EventController.h>

#include <Swift/Controllers/XMPPEvents/SubscriptionRequestEvent.h>

namespace Swift {

/**

* The controller does not gain ownership of these parameters.

*/

RosterController::RosterController(const JID& jid, XMPPRoster* xmppRoster, AvatarManager* avatarManager, MainWindowFactory* mainWindowFactory, NickManager* nickManager, NickResolver* nickResolver, PresenceOracle* presenceOracle, SubscriptionManager* subscriptionManager, EventController* eventController, UIEventStream* uiEventStream, IQRouter* iqRouter, SettingsProvider* settings, EntityCapsProvider* entityCapsManager, FileTransferOverview* fileTransferOverview, ClientBlockListManager* clientBlockListManager, VCardManager* vcardManager)

: myJID_(jid), xmppRoster_(xmppRoster), mainWindowFactory_(mainWindowFactory), mainWindow_(mainWindowFactory_->createMainWindow(uiEventStream)), roster_(new Roster()), offlineFilter_(new OfflineRosterFilter()), vcardManager_(vcardManager), avatarManager_(avatarManager), nickManager_(nickManager), nickResolver_(nickResolver), presenceOracle_(presenceOracle), uiEventStream_(uiEventStream), entityCapsManager_(entityCapsManager), ftOverview_(fileTransferOverview), clientBlockListManager_(clientBlockListManager) {

assert(fileTransferOverview);

iqRouter_ = iqRouter;

subscriptionManager_ = subscriptionManager;

eventController_ = eventController;

settings_ = settings;

expandiness_ = new RosterGroupExpandinessPersister(roster_, settings);

mainWindow_->setRosterModel(roster_);

rosterVCardProvider_ = new RosterVCardProvider(roster_, vcardManager, JID::WithoutResource);

changeStatusConnection_ = mainWindow_->onChangeStatusRequest.connect(boost::bind(&RosterController::handleChangeStatusRequest, this, _1, _2));

signOutConnection_ = mainWindow_->onSignOutRequest.connect(boost::bind(boost::ref(onSignOutRequest)));

xmppRoster_->onJIDAdded.connect(boost::bind(&RosterController::handleOnJIDAdded, this, _1));

xmppRoster_->onJIDUpdated.connect(boost::bind(&RosterController::handleOnJIDUpdated, this, _1, _2, _3));

xmppRoster_->onJIDRemoved.connect(boost::bind(&RosterController::handleOnJIDRemoved, this, _1));

xmppRoster_->onRosterCleared.connect(boost::bind(&RosterController::handleRosterCleared, this));

subscriptionManager_->onPresenceSubscriptionRequest.connect(boost::bind(&RosterController::handleSubscriptionRequest, this, _1, _2));

presenceOracle_->onPresenceChange.connect(boost::bind(&RosterController::handleIncomingPresence, this, _1));

uiEventConnection_ = uiEventStream->onUIEvent.connect(boost::bind(&RosterController::handleUIEvent, this, _1));

vcardManager_->onOwnVCardChanged.connect(boost::bind(&RosterController::handleOwnVCardChanged, this, _1));

avatarManager_->onAvatarChanged.connect(boost::bind(&RosterController::handleAvatarChanged, this, _1));

presenceOracle_->onPresenceChange.connect(boost::bind(&RosterController::handlePresenceChanged, this, _1));

mainWindow_->setMyAvatarPath(pathToString(avatarManager_->getAvatarPath(myJID_.toBare())));

nickManager_->onOwnNickChanged.connect(boost::bind(&MainWindow::setMyNick, mainWindow_, _1));

mainWindow_->setMyJID(jid);

mainWindow_->setMyNick(nickManager_->getOwnNick());

entityCapsManager_->onCapsChanged.connect(boost::bind(&RosterController::handleOnCapsChanged, this, _1));

settings_->onSettingChanged.connect(boost::bind(&RosterController::handleSettingChanged, this, _1));

handleShowOfflineToggled(settings_->getSetting(SettingConstants::SHOW_OFFLINE));

ownContact_ = boost::make_shared<ContactRosterItem>(myJID_.toBare(), myJID_.toBare(), nickManager_->getOwnNick(), (GroupRosterItem*)0);

ownContact_->setVCard(vcardManager_->getVCard(myJID_.toBare()));

ownContact_->setAvatarPath(pathToString(avatarManager_->getAvatarPath(myJID_.toBare())));

mainWindow_->setMyContactRosterItem(ownContact_);

}

RosterController::~RosterController() {

settings_->onSettingChanged.disconnect(boost::bind(&RosterController::handleSettingChanged, this, _1));

nickManager_->onOwnNickChanged.disconnect(boost::bind(&MainWindow::setMyNick, mainWindow_, _1));

delete offlineFilter_;

delete expandiness_;

mainWindow_->setRosterModel(NULL);

if (mainWindow_->canDelete()) {

delete mainWindow_;

}

delete rosterVCardProvider_;

delete roster_;

}

void RosterController::setEnabled(bool enabled) {

if (!enabled) {

roster_->applyOnItems(AppearOffline());

}

}

void RosterController::handleShowOfflineToggled(bool state) {

if (state) {

roster_->removeFilter(offlineFilter_);

} else {

roster_->addFilter(offlineFilter_);

}

}

void RosterController::handleChangeStatusRequest(StatusShow::Type show, const std::string &statusText) {

onChangeStatusRequest(show, statusText);

}

void RosterController::handleOnJIDAdded(const JID& jid) {

std::vector<std::string> groups = xmppRoster_->getGroupsForJID(jid);

std::string name = nickResolver_->jidToNick(jid);

if (!groups.empty()) {

foreach(const std::string& group, groups) {

roster_->addContact(jid, jid, name, group, avatarManager_->getAvatarPath(jid));

}

}

else {

roster_->addContact(jid, jid, name, QT_TRANSLATE_NOOP("", "Contacts"), avatarManager_->getAvatarPath(jid));

}

applyAllPresenceTo(jid);

}

void RosterController::applyAllPresenceTo(const JID& jid) {

foreach (Presence::ref presence, presenceOracle_->getAllPresence(jid)) {

roster_->applyOnItems(SetPresence(presence));

}

}

void RosterController::handleRosterCleared() {

roster_->removeAll();

}

void RosterController::handleOnJIDRemoved(const JID& jid) {

roster_->removeContact(jid);

}

void RosterController::handleOnJIDUpdated(const JID& jid, const std::string& oldName, const std::vector<std::string>& passedOldGroups) {

if (oldName != xmppRoster_->getNameForJID(jid)) {

roster_->applyOnItems(SetName(nickResolver_->jidToNick(jid), jid));

}

std::vector<std::string> groups = xmppRoster_->getGroupsForJID(jid);

std::vector<std::string> oldGroups = passedOldGroups;

std::string name = nickResolver_->jidToNick(jid);

std::string contactsGroup = QT_TRANSLATE_NOOP("", "Contacts");

if (oldGroups.empty()) {

oldGroups.push_back(contactsGroup);

}

if (groups.empty()) {

groups.push_back(contactsGroup);

}

foreach(const std::string& group, groups) {

if (std::find(oldGroups.begin(), oldGroups.end(), group) == oldGroups.end()) {

roster_->addContact(jid, jid, name, group, avatarManager_->getAvatarPath(jid));

}

}

foreach(const std::string& group, oldGroups) {

if (std::find(groups.begin(), groups.end(), group) == groups.end()) {

roster_->removeContactFromGroup(jid, group);

if (roster_->getGroup(group)->getChildren().size() == 0) {

roster_->removeGroup(group);

}

}

}

applyAllPresenceTo(jid);

}

void RosterController::handleSettingChanged(const std::string& settingPath) {

if (settingPath == SettingConstants::SHOW_OFFLINE.getKey()) {

handleShowOfflineToggled(settings_->getSetting(SettingConstants::SHOW_OFFLINE));

}

}

void RosterController::handleBlockingStateChanged() {

if (clientBlockListManager_->getBlockList()->getState() == BlockList::Available) {

foreach(const JID& jid, clientBlockListManager_->getBlockList()->getItems()) {

roster_->applyOnItems(SetBlockingState(jid, ContactRosterItem::IsBlocked));

}

}

}

void RosterController::handleBlockingItemAdded(const JID& jid) {

roster_->applyOnItems(SetBlockingState(jid, ContactRosterItem::IsBlocked));

}

void RosterController::handleBlockingItemRemoved(const JID& jid) {

roster_->applyOnItems(SetBlockingState(jid, ContactRosterItem::IsUnblocked));

}

void RosterController::handleUIEvent(boost::shared_ptr<UIEvent> event) {

if (boost::shared_ptr<AddContactUIEvent> addContactEvent = boost::dynamic_pointer_cast<AddContactUIEvent>(event)) {

RosterItemPayload item;

item.setName(addContactEvent->getName());

item.setJID(addContactEvent->getJID());

item.setGroups(std::vector<std::string>(addContactEvent->getGroups().begin(), addContactEvent->getGroups().end()));

boost::shared_ptr<RosterPayload> roster(new RosterPayload());

roster->addItem(item);

SetRosterRequest::ref request = SetRosterRequest::create(roster, iqRouter_);

request->onResponse.connect(boost::bind(&RosterController::handleRosterSetError, this, _1, roster));

request->send();

subscriptionManager_->requestSubscription(addContactEvent->getJID());

}

else if (boost::shared_ptr<RemoveRosterItemUIEvent> removeEvent = boost::dynamic_pointer_cast<RemoveRosterItemUIEvent>(event)) {

RosterItemPayload item(removeEvent->getJID(), "", RosterItemPayload::Remove);

boost::shared_ptr<RosterPayload> roster(new RosterPayload());

roster->addItem(item);

SetRosterRequest::ref request = SetRosterRequest::create(roster, iqRouter_);

request->onResponse.connect(boost::bind(&RosterController::handleRosterSetError, this, _1, roster));

request->send();

}

else if (boost::shared_ptr<RenameRosterItemUIEvent> renameEvent = boost::dynamic_pointer_cast<RenameRosterItemUIEvent>(event)) {

JID contact(renameEvent->getJID());

RosterItemPayload item(contact, renameEvent->getNewName(), xmppRoster_->getSubscriptionStateForJID(contact));

item.setGroups(xmppRoster_->getGroupsForJID(contact));

boost::shared_ptr<RosterPayload> roster(new RosterPayload());

roster->addItem(item);

SetRosterRequest::ref request = SetRosterRequest::create(roster, iqRouter_);

request->onResponse.connect(boost::bind(&RosterController::handleRosterSetError, this, _1, roster));

request->send();

}

else if (boost::shared_ptr<RenameGroupUIEvent> renameGroupEvent = boost::dynamic_pointer_cast<RenameGroupUIEvent>(event)) {

std::vector<XMPPRosterItem> items = xmppRoster_->getItems();

std::string group = renameGroupEvent->getGroup();

// FIXME: We should handle contacts groups specially to avoid clashes

if (group == QT_TRANSLATE_NOOP("", "Contacts")) {

group = "";

}

foreach(XMPPRosterItem& item, items) {

std::vector<std::string> groups = item.getGroups();

if ( (group.empty() && groups.empty()) || std::find(groups.begin(), groups.end(), group) != groups.end()) {

groups.erase(std::remove(groups.begin(), groups.end(), group), groups.end());

if (std::find(groups.begin(), groups.end(), renameGroupEvent->getNewName()) == groups.end()) {

groups.push_back(renameGroupEvent->getNewName());

}

item.setGroups(groups);

updateItem(item);

}

}

}

else if (boost::shared_ptr<SendFileUIEvent> sendFileEvent = boost::dynamic_pointer_cast<SendFileUIEvent>(event)) {

//TODO add send file dialog to ChatView of receipient jid

ftOverview_->sendFile(sendFileEvent->getJID(), sendFileEvent->getFilename());

}

}

void RosterController::setContactGroups(const JID& jid, const std::vector<std::string>& groups) {

updateItem(XMPPRosterItem(jid, xmppRoster_->getNameForJID(jid), groups, xmppRoster_->getSubscriptionStateForJID(jid)));

}

void RosterController::updateItem(const XMPPRosterItem& item) {

RosterItemPayload itemPayload(item.getJID(), item.getName(), item.getSubscription());

itemPayload.setGroups(item.getGroups());

RosterPayload::ref roster = boost::make_shared<RosterPayload>();

roster->addItem(itemPayload);

SetRosterRequest::ref request = SetRosterRequest::create(roster, iqRouter_);

request->onResponse.connect(boost::bind(&RosterController::handleRosterSetError, this, _1, roster));

request->send();

}

void RosterController::initBlockingCommand() {

boost::shared_ptr<BlockList> blockList = clientBlockListManager_->getBlockList();

blockingOnStateChangedConnection_ = blockList->onStateChanged.connect(boost::bind(&RosterController::handleBlockingStateChanged, this));

blockingOnItemAddedConnection_ = blockList->onItemAdded.connect(boost::bind(&RosterController::handleBlockingItemAdded, this, _1));

blockingOnItemRemovedConnection_ = blockList->onItemRemoved.connect(boost::bind(&RosterController::handleBlockingItemRemoved, this, _1));

roster_->setBlockingSupported(true);

if (blockList->getState() == BlockList::Available) {

foreach(const JID& jid, blockList->getItems()) {

roster_->applyOnItems(SetBlockingState(jid, ContactRosterItem::IsBlocked));

}

}

}

void RosterController::handleRosterSetError(ErrorPayload::ref error, boost::shared_ptr<RosterPayload> rosterPayload) {

if (!error) {

return;

}

std::string text = str(format(QT_TRANSLATE_NOOP("", "Server %1% rejected contact list change to item '%2%'")) % myJID_.getDomain() % rosterPayload->getItems()[0].getJID().toString());

if (!error->getText().empty()) {

text += ": " + error->getText();

}

boost::shared_ptr<ErrorEvent> errorEvent(new ErrorEvent(JID(myJID_.getDomain()), text));

eventController_->handleIncomingEvent(errorEvent);

}

void RosterController::handleIncomingPresence(Presence::ref newPresence) {

if (newPresence->getType() == Presence::Error) {

return;

}

roster_->applyOnItems(SetPresence(newPresence));

}

void RosterController::handleSubscriptionRequest(const JID& jid, const std::string& message) {

if (xmppRoster_->containsJID(jid) && (xmppRoster_->getSubscriptionStateForJID(jid) == RosterItemPayload::To || xmppRoster_->getSubscriptionStateForJID(jid) == RosterItemPayload::Both)) {

subscriptionManager_->confirmSubscription(jid);

return;

}

SubscriptionRequestEvent* eventPointer = new SubscriptionRequestEvent(jid, message);

eventPointer->onAccept.connect(boost::bind(&RosterController::handleSubscriptionRequestAccepted, this, eventPointer));

eventPointer->onDecline.connect(boost::bind(&RosterController::handleSubscriptionRequestDeclined, this, eventPointer));

boost::shared_ptr<StanzaEvent> event(eventPointer);

eventController_->handleIncomingEvent(event);

}

void RosterController::handleSubscriptionRequestAccepted(SubscriptionRequestEvent* event) {

subscriptionManager_->confirmSubscription(event->getJID());

if (!xmppRoster_->containsJID(event->getJID()) || xmppRoster_->getSubscriptionStateForJID(event->getJID()) == RosterItemPayload::None || xmppRoster_->getSubscriptionStateForJID(event->getJID()) == RosterItemPayload::From) {

subscriptionManager_->requestSubscription(event->getJID());

}

}

void RosterController::handleSubscriptionRequestDeclined(SubscriptionRequestEvent* event) {

subscriptionManager_->cancelSubscription(event->getJID());

}

void RosterController::handleOwnVCardChanged(VCard::ref vcard) {

ownContact_->setVCard(vcard);

mainWindow_->setMyContactRosterItem(ownContact_);

}

void RosterController::handleAvatarChanged(const JID& jid) {

boost::filesystem::path path = avatarManager_->getAvatarPath(jid);

roster_->applyOnItems(SetAvatar(jid, path));

if (jid.equals(myJID_, JID::WithResource)) {

mainWindow_->setMyAvatarPath(pathToString(path));

}

}

void RosterController::handlePresenceChanged(Presence::ref presence) {

if (presence->getFrom().equals(myJID_, JID::WithResource)) {

ownContact_->applyPresence(std::string(), presence);

mainWindow_->setMyContactRosterItem(ownContact_);

}

}

boost::optional<XMPPRosterItem> RosterController::getItem(const JID& jid) const {

return xmppRoster_->getItem(jid);

}

std::set<std::string> RosterController::getGroups() const {

return xmppRoster_->getGroups();

}

void RosterController::handleOnCapsChanged(const JID& jid) {

DiscoInfo::ref info = entityCapsManager_->getCaps(jid);

if (info) {

std::set<ContactRosterItem::Feature> features;

if (FileTransferManager::isSupportedBy(info)) {

features.insert(ContactRosterItem::FileTransferFeature);

}

if (info->hasFeature(DiscoInfo::WhiteboardFeature)) {

features.insert(ContactRosterItem::WhiteboardFeature);

}

roster_->applyOnItems(SetAvailableFeatures(jid, features));

}

}

}