/*
 * jabberdiskcontroller.cpp - plugin
 * Copyright (C) 2011  Evgeny Khryukin
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 */

#include <QDomElement>
#include <QAction>

#include "jabberdiskcontroller.h"
#include "jd_mainwin.h"

struct Session {
    Session(int a, const QString& j, JDMainWin* w = 0)
        : account(a)
        , jid(j)
        , window(w)
    {
    }

    int account;
    QString jid;
    JDMainWin* window;

    bool operator==(const Session& s)
    {
        return account == s.account && jid == s.jid;
    }
};

JabberDiskController::JabberDiskController()
    : QObject(0)
    , stanzaSender(0)
//    , iconHost(0)
    , accInfo(0)
{
}

JabberDiskController::~JabberDiskController()
{
    while(!sessions_.isEmpty()) {
        delete sessions_.takeFirst().window;
    }
}

JabberDiskController* JabberDiskController::instance()
{
    if(instance_)
        return instance_;
    return instance_ = new JabberDiskController();
}

void JabberDiskController::reset()
{
    delete instance_;
    instance_ = 0;
}

void JabberDiskController::viewerDestroyed()
{
    JDMainWin *w = static_cast<JDMainWin*>(sender());
    for(int i = 0; i < sessions_.size(); i++) {
        Session s = sessions_.at(i);
        if(s.window == w) {
            sessions_.removeAt(i);
            break;
        }
    }
}

void JabberDiskController::initSession()
{
    QAction* act = dynamic_cast<QAction*>(sender());
    if(act) {
        int account = act->property("account").toInt();
        const QString jid = act->property("jid").toString();
        Session s(account, jid);
        if(sessions_.contains(s)) {
            sessions_.at(sessions_.indexOf(s)).window->raise();
        }
        else {
            s.window = new JDMainWin(accInfo->getJid(account), jid, account);
            connect(s.window, SIGNAL(destroyed()), SLOT(viewerDestroyed()));
            sessions_.append(s);
        }
    }
}

void JabberDiskController::sendStanza(int account, const QString &to, const QString &message, QString* id)
{
    *id = stanzaSender->uniqueId(account);
    QString txt = QString("<message from=\"%1\" id=\"%3\" type=\"chat\" to=\"%2\">"
              "<body>%4</body></message>")
            .arg(accInfo->getJid(account))
            .arg(to)
            .arg(*id)
            .arg(message.toHtmlEscaped());
    stanzaSender->sendStanza(account, txt);
}

//void JabberDiskController::setIconFactoryAccessingHost(IconFactoryAccessingHost* host)
//{
//    iconHost = host;
//}

void JabberDiskController::setStanzaSendingHost(StanzaSendingHost *host)
{
    stanzaSender = host;
}

void JabberDiskController::setAccountInfoAccessingHost(AccountInfoAccessingHost* host)
{
    accInfo = host;
}

bool JabberDiskController::incomingStanza(int account, const QDomElement& xml)
{
    Session s(account, xml.attribute("from").split("/").at(0).toLower());
    if(sessions_.contains(s)) {
        emit stanza(account, xml);
        return true;
    }
    return false;
}


JabberDiskController* JabberDiskController::instance_ = 0;
