/****************************************************************
 *  RetroShare is distributed under the following license:
 *
 *  Copyright (C) 2015
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA  02110-1301, USA.
 ****************************************************************/

#pragma once
//Qt
#include <QObject>
#include <QGraphicsEffect>
#include <QProgressBar>
#include <QTimer>
//VOIP
#include "gui/VOIPNotify.h"
#include <gui/SpeexProcessor.h>
#include "services/rsVOIPItems.h"
//retroshare-gui
#include <gui/chat/ChatWidget.h>
#include <gui/common/RsButtonOnText.h>

class QToolButton;
class QAudioInput;
class QAudioOutput;
class QVideoInputDevice ;
class QVideoOutputDevice ;
class VideoProcessor ;

#define VOIP_SOUND_INCOMING_AUDIO_CALL "VOIP_incoming_audio_call"
#define VOIP_SOUND_INCOMING_VIDEO_CALL "VOIP_incoming_video_call"
#define VOIP_SOUND_OUTGOING_AUDIO_CALL "VOIP_outgoing_audio_call"
#define VOIP_SOUND_OUTGOING_VIDEO_CALL "VOIP_outgoing_video_call"

class VOIPChatWidgetHolder : public QObject, public ChatWidgetHolder
{
	Q_OBJECT

public:
	VOIPChatWidgetHolder(ChatWidget *chatWidget, VOIPNotify *notify);
	virtual ~VOIPChatWidgetHolder();

	virtual void updateStatus(int status);

	void addAudioData(const RsPeerId &peer_id, QByteArray* array) ;
	void addVideoData(const RsPeerId &peer_id, QByteArray* array) ;
	void setAcceptedBandwidth(uint32_t bytes_per_sec) ;

	void ReceivedInvitation(const RsPeerId &peer_id, int flags) ;
	void ReceivedVoipHangUp(const RsPeerId &peer_id, int flags) ;
	void ReceivedVoipAccept(const RsPeerId &peer_id, int flags) ;

public slots:
	void sendAudioData();
	void sendVideoData();
	void startAudioCapture();
	void startVideoCapture();
	void hangupCallAudio() ;
	void hangupCallVideo() ;

private slots:
	void toggleAudioListen();
	void toggleAudioListenFS();
	void toggleAudioCapture();
	void toggleAudioCaptureFS();
	void toggleVideoCapture();
	void toggleVideoCaptureFS();
	void toggleHideChatText();
	void toggleFullScreen();
	void toggleFullScreenFS();
	void hangupCall() ;
	void botMouseEnterTake();
	void botMouseLeaveTake();
	void botMouseEnterDecline();
	void botMouseLeaveDecline();
	void timerAudioRingTimeOut();
	void timerVideoRingTimeOut();

private:
	void deleteButtonMap(int flags = RS_VOIP_FLAGS_AUDIO_DATA | RS_VOIP_FLAGS_VIDEO_DATA);
	void addNewVideoButtonMap(const RsPeerId &peer_id);
	void addNewAudioButtonMap(const RsPeerId &peer_id);
	void replaceFullscreenWidget();
	void showNormalView();

protected:
	bool eventFilter(QObject *obj, QEvent *event);

	// Audio input/output
	QAudioInput* inputAudioDevice;
	QAudioOutput* outputAudioDevice;

	QtSpeex::SpeexInputProcessor* inputAudioProcessor;
	QtSpeex::SpeexOutputProcessor* outputAudioProcessor;

	// Video input/output
	QVideoOutputDevice *outputVideoDevice;
	QVideoOutputDevice *echoVideoDevice;
	QVideoInputDevice *inputVideoDevice;

	//For FullScreen Mode
	QFrame *fullScreenFrame;
	QVideoOutputDevice *outputVideoDeviceFS;
	QVideoOutputDevice *echoVideoDeviceFS;
	Qt::WindowFlags outputVideoDeviceFlags;

	QWidget *videoWidget ;	// pointer to call show/hide

	VideoProcessor *videoProcessor;

	// Additional buttons to the chat bar
	QToolButton *audioListenToggleButton ;
	QToolButton *audioListenToggleButtonFS ;
	QToolButton *audioCaptureToggleButton ;
	QToolButton *audioCaptureToggleButtonFS ;
	QToolButton *videoCaptureToggleButton ;
	QToolButton *videoCaptureToggleButtonFS ;
	QToolButton *hideChatTextToggleButton ;
	QToolButton *fullscreenToggleButton ;
	QToolButton *fullscreenToggleButtonFS ;
	QToolButton *hangupButton ;
	QToolButton *hangupButtonFS ;
	QFrame *toolBarFS;

	typedef QMap<QString, QPair<RSButtonOnText*, RSButtonOnText*> > button_map;
	button_map buttonMapTakeCall;

	//Waiting for peer accept
	QProgressBar *pbAudioRing;
	QProgressBar *pbVideoRing;
	QTimer *timerAudioRing;
	QTimer *timerVideoRing;
	int sendAudioRingTime; //(-2 connected, -1 reseted, >=0 in progress)
	int sendVideoRingTime; //(-2 connected, -1 reseted, >=0 in progress)
	int recAudioRingTime; //(-2 connected, -1 reseted, >=0 in progress)
	int recVideoRingTime; //(-2 connected, -1 reseted, >=0 in progress)

	//TODO, remove this when soundManager can manage multi events.
	int lastTimePlayOccurs;

	VOIPNotify *mVOIPNotify;
};