/*
 * Copyright (c) 2011 Jan Kaluza
 * Licensed under the Simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

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

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

#include <Swiften/Parser/SerializingParser.h>

namespace Swift {

RosterItemExchangeParser::RosterItemExchangeParser() : level_(TopLevel), inItem_(false) {
}

void RosterItemExchangeParser::handleStartElement(const std::string& element, const std::string& /*ns*/, const AttributeMap& attributes) {
    if (level_ == PayloadLevel) {
        if (element == "item") {
            inItem_ = true;

            currentItem_ = RosterItemExchangePayload::Item();

            currentItem_.setJID(JID(attributes.getAttribute("jid")));
            currentItem_.setName(attributes.getAttribute("name"));

            std::string action = attributes.getAttribute("action");
            if (action == "add") {
                currentItem_.setAction(RosterItemExchangePayload::Item::Add);
            }
            else if (action == "modify") {
                currentItem_.setAction(RosterItemExchangePayload::Item::Modify);
            }
            else if (action == "delete") {
                currentItem_.setAction(RosterItemExchangePayload::Item::Delete);
            }
            else {
                // Add is default action according to XEP
                currentItem_.setAction(RosterItemExchangePayload::Item::Add);
            }
        }
    }
    else if (level_ == ItemLevel) {
        if (element == "group") {
            currentText_ = "";
        }
    }
    ++level_;
}

void RosterItemExchangeParser::handleEndElement(const std::string& element, const std::string& /*ns*/) {
    --level_;
    if (level_ == PayloadLevel) {
        if (inItem_) {
            getPayloadInternal()->addItem(currentItem_);
            inItem_ = false;
        }
    }
    else if (level_ == ItemLevel) {
        if (element == "group") {
            currentItem_.addGroup(currentText_);
        }
    }
}

void RosterItemExchangeParser::handleCharacterData(const std::string& data) {
    currentText_ += data;
}

}
