/*
    Copyright (C) 2015-2017 Krzysztof Nowicki <krissn@op.pl>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/

#ifndef FAKEEWSSERVER_H
#define FAKEEWSSERVER_H

#include <functional>

#include <QMutex>
#include <QPointer>
#include <QTcpServer>
#include <QTcpSocket>

class FakeEwsConnection;
class QXmlResultItems;
class QXmlNamePool;

class Q_DECL_EXPORT FakeEwsServer : public QTcpServer
{
    Q_OBJECT
public:
    class DialogEntry
    {
    public:
        typedef QPair<QString, ushort> HttpResponse;
        typedef std::function<HttpResponse(const QString &, QXmlResultItems &, const QXmlNamePool &)> ReplyCallback;
        QString xQuery;
        ReplyCallback replyCallback;
        QString description;

        typedef QVector<DialogEntry> List;
    };

    static const DialogEntry::HttpResponse EmptyResponse;

    explicit FakeEwsServer(QObject *parent);
    ~FakeEwsServer() override;
    bool start();
    void setDefaultReplyCallback(DialogEntry::ReplyCallback defaultReplyCallback);
    void queueEventsXml(const QStringList &events);
    void setDialog(const DialogEntry::List &dialog);
    ushort portNumber() const;
private Q_SLOTS:
    void newConnectionReceived();
    void streamingConnectionStarted(FakeEwsConnection *conn);
private:
    void dataAvailable(QTcpSocket *sock);
    void sendError(QTcpSocket *sock, const QString &msg, ushort code = 500);
    const DialogEntry::List dialog() const;
    const DialogEntry::ReplyCallback defaultReplyCallback() const;
    QStringList retrieveEventsXml();

    DialogEntry::List mDialog;
    DialogEntry::ReplyCallback mDefaultReplyCallback;
    QStringList mEventQueue;
    QPointer<FakeEwsConnection> mStreamingEventsConnection;
    ushort mPortNumber;
    mutable QMutex mMutex;

    friend class FakeEwsConnection;
};

#endif
