/*
 * Copyright (c) 2010-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swiften/Parser/PayloadParsers/SecurityLabelsCatalogParser.h>

#include <boost/smart_ptr/make_shared.hpp>

#include <Swiften/Parser/PayloadParsers/SecurityLabelParser.h>
#include <Swiften/Parser/PayloadParsers/SecurityLabelParserFactory.h>

namespace Swift {

SecurityLabelsCatalogParser::SecurityLabelsCatalogParser() : level_(TopLevel), labelParser_(nullptr) {
    labelParserFactory_ = new SecurityLabelParserFactory();
}

SecurityLabelsCatalogParser::~SecurityLabelsCatalogParser() {
    delete labelParserFactory_;
}

void SecurityLabelsCatalogParser::handleStartElement(const std::string& element, const std::string& ns, const AttributeMap& attributes) {
    ++level_;
    if (level_ == PayloadLevel) {
        getPayloadInternal()->setTo(JID(attributes.getAttribute("to")));
        getPayloadInternal()->setName(attributes.getAttribute("name"));
        getPayloadInternal()->setDescription(attributes.getAttribute("desc"));
    }
    else if (level_ == ItemLevel && element == "item" && ns == "urn:xmpp:sec-label:catalog:2") {
        currentItem_ = boost::make_shared<SecurityLabelsCatalog::Item>();
        currentItem_->setSelector(attributes.getAttribute("selector"));
        currentItem_->setIsDefault(attributes.getBoolAttribute("default", false));
    }
    else if (level_ == LabelLevel) {
        assert(!labelParser_);
        if (labelParserFactory_->canParse(element, ns, attributes)) {
            labelParser_ = dynamic_cast<SecurityLabelParser*>(labelParserFactory_->createPayloadParser());
            assert(labelParser_);
        }
    }

    if (labelParser_) {
        labelParser_->handleStartElement(element, ns, attributes);
    }
}

void SecurityLabelsCatalogParser::handleEndElement(const std::string& element, const std::string& ns) {
    if (labelParser_) {
        labelParser_->handleEndElement(element, ns);
    }
    if (level_ == LabelLevel && labelParser_ && currentItem_) {
        boost::shared_ptr<SecurityLabel> currentLabel = labelParser_->getLabelPayload();
        assert(currentLabel);
        currentItem_->setLabel(currentLabel);
        delete labelParser_;
        labelParser_ = nullptr;
    }
    else if (level_ == ItemLevel && element == "item" && ns == "urn:xmpp:sec-label:catalog:2") {
        if (currentItem_) {
            getPayloadInternal()->addItem(SecurityLabelsCatalog::Item(*currentItem_));
            currentItem_.reset();
        }
    }
    --level_;
}

void SecurityLabelsCatalogParser::handleCharacterData(const std::string& data) {
    if (labelParser_) {
        labelParser_->handleCharacterData(data);
    }
}

}