/* Copyright (C) 2005-2011, Thorvald Natvig <thorvald@natvig.com>
   Copyright (C) 2009-2011, Stefan Hacker <dd0t@users.sourceforge.net>

   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   - Redistributions of source code must retain the above copyright notice,
     this list of conditions and the following disclaimer.
   - Redistributions in binary form must reproduce the above copyright notice,
     this list of conditions and the following disclaimer in the documentation
     and/or other materials provided with the distribution.
   - Neither the name of the Mumble Developers nor the names of its
     contributors may be used to endorse or promote products derived from this
     software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef MUMBLE_MUMBLE_LOG_H_
#define MUMBLE_MUMBLE_LOG_H_

#include <QtCore/QDate>
#include <QtGui/QTextCursor>
#include <QtGui/QTextDocument>

#include "ConfigDialog.h"
#include "ui_Log.h"

class TextToSpeech;

class LogConfig : public ConfigWidget, public Ui::LogConfig {
	private:
		Q_OBJECT
		Q_DISABLE_COPY(LogConfig)
	public:
		enum Column { ColMessage, ColConsole, ColNotification, ColTTS, ColStaticSound, ColStaticSoundPath };
		LogConfig(Settings &st);
		QString title() const Q_DECL_OVERRIDE;
		QIcon icon() const Q_DECL_OVERRIDE;
	public slots:
		void accept() const Q_DECL_OVERRIDE;
		void save() const Q_DECL_OVERRIDE;
		void load(const Settings &) Q_DECL_OVERRIDE;
		bool expert(bool) Q_DECL_OVERRIDE;

		void on_qtwMessages_itemChanged(QTreeWidgetItem*, int);
		void on_qtwMessages_itemClicked(QTreeWidgetItem*, int);
		void on_qtwMessages_itemDoubleClicked(QTreeWidgetItem*, int);
		void browseForAudioFile();
};

class ClientUser;
class Channel;

class Log : public QObject {
		friend class LogConfig;
	private:
		Q_OBJECT
		Q_DISABLE_COPY(Log)
	public:
		enum MsgType { DebugInfo, CriticalError, Warning, Information, ServerConnected, ServerDisconnected, UserJoin, UserLeave, Recording, YouKicked, UserKicked, SelfMute, OtherSelfMute, YouMuted, YouMutedOther, OtherMutedOther, ChannelJoin, ChannelLeave, PermissionDenied, TextMessage, SelfUnmute, SelfDeaf, SelfUndeaf, UserRenamed };
		enum LogColorType { Time, Server, Privilege, Source, Target };
		static const MsgType firstMsgType = DebugInfo;
		static const MsgType lastMsgType = UserRenamed;
		
		// Display order in settingsscreen, allows to insert new events without breaking config-compatibility with older versions.
		static const MsgType msgOrder[];
	
	protected:
		QHash<MsgType, int> qmIgnore;
		static const char *msgNames[];
		static const char *colorClasses[];
		TextToSpeech *tts;
		unsigned int uiLastId;
		QDate qdDate;
		static const QStringList allowedSchemes();
		void postNotification(MsgType mt, const QString &console, const QString &plain);
		void postQtNotification(MsgType mt, const QString &plain);
	public:
		Log(QObject *p = NULL);
		QString msgName(MsgType t) const;
		void setIgnore(MsgType t, int ignore = 1 << 30);
		void clearIgnore();
		static QString validHtml(const QString &html, bool allowReplacement = false, QTextCursor *tc = NULL);
		static QString imageToImg(const QByteArray &format, const QByteArray &image);
		static QString imageToImg(QImage img);
		static QString msgColor(const QString &text, LogColorType t);
		static QString formatClientUser(ClientUser *cu, LogColorType t, const QString &displayName=QString());
		static QString formatChannel(::Channel *c);
	public slots:
		void log(MsgType t, const QString &console, const QString &terse=QString(), bool ownMessage = false);
};

class LogDocument : public QTextDocument {
	private:
		Q_OBJECT
		Q_DISABLE_COPY(LogDocument)
	public:
		LogDocument(QObject *p = NULL);
		QVariant loadResource(int, const QUrl &) Q_DECL_OVERRIDE;
		void setAllowHTTPResources(bool allowHttpResources);
		void setOnlyLoadDataURLs(bool onlyLoadDataURLs);
		bool isValid();
	public slots:
		void receivedHead();
		void finished();
	private:
		bool m_allowHTTPResources;
		bool m_valid;
		bool m_onlyLoadDataURLs;
};

class LogDocumentResourceAddedEvent : public QEvent {
	public:
		static const QEvent::Type Type = static_cast<QEvent::Type>(20145);

		LogDocumentResourceAddedEvent();
};

#endif
