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

/*
 * Copyright (c) 2015-2018 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#include <Swiften/Parser/PayloadParsers/S5BProxyRequestParser.h>

#include <boost/lexical_cast.hpp>
#include <boost/numeric/conversion/cast.hpp>
#include <boost/optional.hpp>

namespace Swift {

S5BProxyRequestParser::S5BProxyRequestParser() : parseActivate(false) {
}

S5BProxyRequestParser::~S5BProxyRequestParser() {
}

void S5BProxyRequestParser::handleStartElement(const std::string& element, const std::string&, const AttributeMap& attributes) {
    if (element == "streamhost") {
        if (attributes.getAttributeValue("host") && attributes.getAttributeValue("jid") && attributes.getAttributeValue("port")) {
            std::string host = attributes.getAttributeValue("host").get_value_or("");
            unsigned short port = 0;
            JID jid = attributes.getAttributeValue("jid").get_value_or("");

            try {
                port = boost::numeric_cast<unsigned short>(boost::lexical_cast<int>(attributes.getAttributeValue("port").get()));
            } catch (...) {
            }
            if (!host.empty() && port != 0 && jid.isValid()) {
                S5BProxyRequest::StreamHost streamHost;
                streamHost.host = host;
                streamHost.port = port;
                streamHost.jid = jid;
                getPayloadInternal()->setStreamHost(streamHost);
            }
        }
    } else if (element == "activate") {
        parseActivate = true;
    } else if (element == "query") {
        if (attributes.getAttributeValue("sid")) {
            getPayloadInternal()->setSID(attributes.getAttributeValue("sid").get());
        }
    }
}

void S5BProxyRequestParser::handleEndElement(const std::string& element, const std::string&) {
    if (element == "activate") {
        JID activate = JID(activateJID);
        if (activate.isValid()) {
            getPayloadInternal()->setActivate(activate);
        }
        parseActivate = false;
    }
}

void S5BProxyRequestParser::handleCharacterData(const std::string& data) {
    if (parseActivate) {
        activateJID = activateJID + data;
    }
}

}