/*
 * 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 program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */

#include <QAction>
#include <QDomElement>

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

struct Session {
    Session(int a, const QString &j, JDMainWin *w = nullptr) : 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(nullptr), stanzaSender(nullptr)
    //    , iconHost(0)
    ,
    accInfo(nullptr)
{
}

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_ = nullptr;
}

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, &JDMainWin::destroyed, this, &JabberDiskController::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), to, *id, 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_ = nullptr;
