/*
 * Copyright (C) 2003  Justin Karneges
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser 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
 *
 */

#ifndef XMPP_CLIENT_H
#define XMPP_CLIENT_H

#include <QObject>
#include <QStringList>
#include <QCryptographicHash>

#include "xmpp/jid/jid.h"
#include "xmpp_status.h"
#include "xmpp_discoitem.h"

class QString;
class QDomElement;
class QDomDocument;
class ByteStream;
namespace XMPP {
	class ClientStream;
	class Features;
	class FileTransferManager;
	class IBBManager;
	class JidLinkManager;
	class LiveRoster;
	class LiveRosterItem;
	class Message;
	class Resource;
	class ResourceList;
	class Roster;
	class RosterItem;
	class S5BManager;
	class BSConnection;
	class Stream;
	class Task;
	class CapsManager;
}

namespace XMPP
{
	class Client : public QObject
	{
		Q_OBJECT

	public:
		Client(QObject *parent=0);
		~Client();

		bool isActive() const;
		void connectToServer(ClientStream *s, const Jid &j, bool auth=true);
		void start(const QString &host, const QString &user, const QString &pass, const QString &resource);
		void close(bool fast=false);

		bool hasStream() const;
		Stream & stream();
		QString streamBaseNS() const;
		const LiveRoster & roster() const;
		const ResourceList & resourceList() const;

		void send(const QDomElement &);
		void send(const QString &);

		QString host() const;
		QString user() const;
		QString pass() const;
		QString resource() const;
		Jid jid() const;

		void rosterRequest();
		void sendMessage(const Message &);
		void sendSubscription(const Jid &, const QString &, const QString& nick = QString());
		void setPresence(const Status &);

		void debug(const QString &);
		QString genUniqueId();
		Task *rootTask();
		QDomDocument *doc() const;

		QString OSName() const;
		QString OSVersion() const;
		QString timeZone() const;
		int timeZoneOffset() const;
		bool manualTimeZoneOffset() const;
		QString clientName() const;
		QString clientVersion() const;
		CapsSpec caps() const;
		CapsSpec serverCaps() const;

		void setOSName(const QString &);
		void setOSVersion(const QString &);
		void setTimeZone(const QString &, int);
		void setClientName(const QString &);
		void setClientVersion(const QString &);
		void setCaps(const CapsSpec &);

		void setIdentity(const DiscoItem::Identity &);
		DiscoItem::Identity identity() const;

		void setFeatures(const Features& f);
		const Features& features() const;
		DiscoItem makeDiscoResult(const QString &node = QString::null) const;

		S5BManager *s5bManager() const;
		IBBManager *ibbManager() const;
		BoBManager *bobManager() const;
		JidLinkManager *jidLinkManager() const;
		CapsManager *capsManager() const;

		void setFileTransferEnabled(bool b);
		FileTransferManager *fileTransferManager() const;

		QString groupChatPassword(const QString& host, const QString& room) const;
		bool groupChatJoin(const QString &host, const QString &room, const QString &nick, const QString& password = QString(), int maxchars = -1, int maxstanzas = -1, int seconds = -1, const QDateTime &since = QDateTime(), const Status& = Status());
		void groupChatSetStatus(const QString &host, const QString &room, const Status &);
		void groupChatChangeNick(const QString &host, const QString &room, const QString &nick, const Status &);
		void groupChatLeave(const QString &host, const QString &room, const QString &statusStr = QString());
		void groupChatLeaveAll(const QString &statusStr = QString());
		QString groupChatNick(const QString &host, const QString &room) const;

	signals:
		void activated();
		void disconnected();
		//void authFinished(bool, int, const QString &);
		void rosterRequestFinished(bool, int, const QString &);
		void rosterItemAdded(const RosterItem &);
		void rosterItemUpdated(const RosterItem &);
		void rosterItemRemoved(const RosterItem &);
		void resourceAvailable(const Jid &, const Resource &);
		void resourceUnavailable(const Jid &, const Resource &);
		void presenceError(const Jid &, int, const QString &);
		void subscription(const Jid &, const QString &, const QString &);
		void messageReceived(const Message &);
		void debugText(const QString &);
		void xmlIncoming(const QString &);
		void xmlOutgoing(const QString &);
		void stanzaElementOutgoing(QDomElement &);
		void groupChatJoined(const Jid &);
		void groupChatLeft(const Jid &);
		void groupChatPresence(const Jid &, const Status &);
		void groupChatError(const Jid &, int, const QString &);

		void incomingJidLink();

		void beginImportRoster();
		void endImportRoster();

	private slots:
		//void streamConnected();
		//void streamHandshaken();
		//void streamError(const StreamError &);
		//void streamSSLCertificateReady(const QSSLCert &);
		//void streamCloseFinished();
		void streamError(int);
		void streamReadyRead();
		void streamIncomingXml(const QString &);
		void streamOutgoingXml(const QString &);

		void slotRosterRequestFinished();

		// basic daemons
		void ppSubscription(const Jid &, const QString &, const QString&);
		void ppPresence(const Jid &, const Status &);
		void pmMessage(const Message &);
		void prRoster(const Roster &);

		void s5b_incomingReady();
		void ibb_incomingReady();

		void handleSMAckResponse(int);	
		void parseUnhandledStreamFeatures();

	public:
		class GroupChat;

	private:
		void cleanup();
		void distribute(const QDomElement &);
		void importRoster(const Roster &);
		void importRosterItem(const RosterItem &);
		void updateSelfPresence(const Jid &, const Status &);
		void updatePresence(LiveRosterItem *, const Jid &, const Status &);
		void handleIncoming(BSConnection *);

		void sendAckRequest();

		class ClientPrivate;
		ClientPrivate *d;
	};
}

#endif
