/**

 * Copyright (c) 2010 Sasken Communication Technologies Ltd.

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the "Eclipse Public License v1.0"

 * which accompanies  this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html"

 *

 * Initial Contributors:

 * Chandradeep Gandhi, Sasken Communication Technologies Ltd - Initial contribution

 *

 * Contributors:

 * Manasij Roy, Nalina Hariharan

 *

 * Description:

 * Private implementation for SmfGallery class 

 *

 */

#include <qdebug.h>

#include <smfprovider.h>

#include <smfcontact.h>

#include <smfcomment.h>

#include "smfgallery.h"

#include "smfgallery_p.h"

#ifdef Q_OS_SYMBIAN

	#include "smfclientsymbian.h"

#else

	#include "SmfClientQt.h"

#endif

SmfGalleryPrivate::SmfGalleryPrivate(SmfGallery* gallery)

		: m_gallery(gallery)

	{

#ifdef Q_OS_SYMBIAN

	//private impl for symbian

	m_SmfClientPrivate = CSmfClientSymbian::NewL(this);

#endif

	}

SmfGalleryPrivate::~SmfGalleryPrivate()

	{

	if(m_SmfClientPrivate)

		{

		delete m_SmfClientPrivate;

		m_SmfClientPrivate = NULL;

		}

	}

/**

 * Get the album listing asynchronously. The albumsAvailable() signal is 

 * emitted with SmfPictureAlbumList once the albums have arrived.

 * When the list is big user can specify the page number and per page item data.

 * If not supplied by the user default values are used.

 * @param names the subject or any keywords to be used to filter albums with that name

 * @param user the user whose albums are requested 

 * @param pageNum Page number to download, SMF_FIRST_PAGE denotes fresh query.

 * @param perPage Item per page, default is SMF_ITEMS_PER_PAGE

 * @return SmfError. SmfNoError if success, else appropriate error code

 */

SmfError SmfGalleryPrivate::albums(QStringList names, SmfContact* user, int pageNum, int perPage)

	{

	for(int iCount = 0;iCount<names.length();iCount++)

		{

		if(names.isEmpty() || names[iCount].isNull() || !(names[iCount].isSimpleText())

		   ||(isdigit(names[iCount].toInt())))

			{

			qDebug()<<"Invalid Names or user";	

			return SmfInvalidDataInArguement;

			}

		}

		if((pageNum<0 && perPage >0) || (pageNum>0 && perPage <0) || (pageNum ==0 && perPage ==0) 

			|| (pageNum > 100  &&  perPage >0) || (pageNum > 0 && perPage > 30) || (isalpha(pageNum)&& isalpha(perPage)))

			{

			 qDebug()<<"Invalid Arguments, Check for Negative Values, Large Values, Junk Values";

			 return SmfInvalidDataInArguement;

			}

	SmfError err = SmfNoError;

	//We need to pass Opcode and SmfProvider serialized into bytearray 

	SmfProvider* m_baseProvider = m_gallery->getProvider();

	m_serializedDataToServer.clear();

	QDataStream write(&m_serializedDataToServer,QIODevice::WriteOnly);

	write<<*m_baseProvider;

	QByteArray dataToPlugins;

	QDataStream streamToPlugin(&dataToPlugins, QIODevice::WriteOnly);

	m_argFlag = 1;

	streamToPlugin<<m_argFlag;

	streamToPlugin<<names;

	if(user)

		{

		streamToPlugin<<m_argFlag;

		streamToPlugin<<*user;

		}

	else

		{

		m_argFlag = 0;

		streamToPlugin<<m_argFlag;

		}

	m_argFlag = 1;

	streamToPlugin<<m_argFlag;

	streamToPlugin<<pageNum;

	streamToPlugin<<m_argFlag;

	streamToPlugin<<perPage;

	write<<dataToPlugins;

	QString intfName(galleryInterface);

	int maxalloc = MaxSmfPictureAlbumSize*perPage;

	//call private impl's send method

	m_SmfClientPrivate->sendRequest(m_serializedDataToServer, intfName,

			SmfPictureGetAlbums, maxalloc);

	return err;

	}

/**

 * Get the picture listing asynchronously. The picturesAvailable() signal is 

 * emitted with SmfPictureList once the pictures have arrived.

 * When the list is big user can specify the page number and per page item data.

 * If not supplied by the user default values are used.

 * @param albums album(s) whose pictures are being requested

 * @param pageNum Page number to download, SMF_FIRST_PAGE denotes fresh query.

 * @param perPage Item per page, default is SMF_ITEMS_PER_PAGE

 * @return SmfError. SmfNoError if success, else appropriate error code

 */

SmfError SmfGalleryPrivate::pictures(SmfPictureAlbumList &albums,int pageNum,int perPage)

	{

	if((pageNum<0 && perPage >0) || (pageNum>0 && perPage <0) || (pageNum ==0 && perPage ==0) 

		|| (pageNum > 100  &&  perPage >0) || (pageNum > 0 && perPage > 30) || (isalpha(pageNum)&& isalpha(perPage)))

		{

		qDebug()<<"Invalid Arguments, Check for Negative Values, Large Values, Junk Values";

		SmfError error = SmfInvalidDataInArguement;

		return error;

		}

	SmfError err = SmfNoError;

	//We need to pass Opcode and SmfProvider serialized into bytearray 

	SmfProvider* m_baseProvider = m_gallery->getProvider();

	m_serializedDataToServer.clear();

	QDataStream write(&m_serializedDataToServer,QIODevice::WriteOnly);

	write<<*m_baseProvider;

	QByteArray dataToPlugins;

	QDataStream streamToPlugin(&dataToPlugins, QIODevice::WriteOnly);

	m_argFlag = 1;

	streamToPlugin<<m_argFlag;

	streamToPlugin<<albums;

	streamToPlugin<<m_argFlag;

	streamToPlugin<<pageNum;

	streamToPlugin<<m_argFlag;

	streamToPlugin<<perPage;

	write<<dataToPlugins;

	QString intfName(galleryInterface);

	int maxalloc = MaxSmfPictureSize*perPage;

	//call private impl's send method

	m_SmfClientPrivate->sendRequest(m_serializedDataToServer, intfName,

		  SmfPictureGetPictures, maxalloc);

	return err;

	}

/**

 * Returns a user title/caption for the picture

 * @return SmfError. SmfNoError if success, else appropriate error code

 */

SmfError SmfGalleryPrivate::description ( SmfPicture& picture )

	{

	SmfError err = SmfNoError;

	//We need to pass Opcode and SmfProvider serialized into bytearray 

	SmfProvider* m_baseProvider = m_gallery->getProvider();

	m_serializedDataToServer.clear();

	QDataStream write(&m_serializedDataToServer,QIODevice::WriteOnly);

	write<<*m_baseProvider;

	QByteArray dataToPlugins;

	QDataStream streamToPlugin(&dataToPlugins, QIODevice::WriteOnly);

	m_argFlag = 1;

	streamToPlugin<<m_argFlag;

	streamToPlugin<<picture;

	write<<dataToPlugins;

	QString intfName(galleryInterface);

	// ToDo :- Setting max limit of description string as 1000

	int maxalloc = 1000;

	//call private impl's send method

	m_SmfClientPrivate->sendRequest(m_serializedDataToServer, intfName,

		  SmfPictureDescription, maxalloc);

	return err;

	}

/**

 * Upload an image.Implemented as slot to connect to UI controls more easily

 * uploadFinished() signal is emitted with the success value of the upload

 * @param image the image to be uploaded

 * @param album the optional destination album name

 * @return SmfError. SmfNoError if success, else appropriate error code 

 */

SmfError SmfGalleryPrivate::upload(SmfPicture* image, SmfPictureAlbum* album)

	{

	SmfError err = SmfNoError;

	//We need to pass Opcode and SmfProvider serialized into bytearray 

	SmfProvider* m_baseProvider = m_gallery->getProvider();

	m_serializedDataToServer.clear();

	QDataStream write(&m_serializedDataToServer,QIODevice::WriteOnly);

	write<<*m_baseProvider;

	QByteArray dataToPlugins;

	QDataStream streamToPlugin(&dataToPlugins, QIODevice::WriteOnly);

	if(image)

		{

		m_argFlag = 1;

		streamToPlugin<<m_argFlag;

		streamToPlugin<<*image;

		}

	else

		{

		m_argFlag = 0;

		streamToPlugin<<m_argFlag;

		}

	if(album)

		{

		m_argFlag = 1;

		streamToPlugin<<m_argFlag;

		streamToPlugin<<*album;

		}

	else

		{

		m_argFlag = 0;

		streamToPlugin<<m_argFlag;

		}

	write<<dataToPlugins;

	QString intfName(galleryInterface);

	int maxalloc = 100; // ToDo:- limit set as 100

	//call private impl's send method

	m_SmfClientPrivate->sendRequest(m_serializedDataToServer, intfName,

		  SmfPictureUpload, maxalloc);

	return err;

	}

/**

 * Upload an list image.Implemented as slot to connect to UI controls more easily

 * uploadFinished() signal is emitted with the success value of the upload

 * @param images the list image to be uploaded

 * @param album the optional destination album name

 * @return SmfError. SmfNoError if success, else appropriate error code 

 */

SmfError SmfGalleryPrivate::upload(SmfPictureList* images, SmfPictureAlbum* album)

	{

	SmfError err = SmfNoError;

	//We need to pass Opcode and SmfProvider serialized into bytearray

	m_serializedDataToServer.clear();

	SmfProvider* m_baseProvider = m_gallery->getProvider();

	QDataStream write(&m_serializedDataToServer,QIODevice::WriteOnly);

	write<<*m_baseProvider;

	QByteArray dataToPlugins;

	QDataStream streamToPlugin(&dataToPlugins, QIODevice::WriteOnly);

	if(images)

		{

		m_argFlag = 1;

		streamToPlugin<<m_argFlag;

		streamToPlugin<<*images;

		}

	else

		{

		m_argFlag = 0;

		streamToPlugin<<m_argFlag;

		}

	if(album)

		{

		m_argFlag = 1;

		streamToPlugin<<m_argFlag;

		streamToPlugin<<*album;

		}

	else

		{

		m_argFlag = 0;

		streamToPlugin<<m_argFlag;

		}

	write<<dataToPlugins;

	QString intfName(galleryInterface);

	int maxalloc = 1000; // ToDo:- limit set as 1000

	//call private impl's send method

	m_SmfClientPrivate->sendRequest(m_serializedDataToServer, intfName,

			SmfPictureMultiUpload, maxalloc);

	return err;

	}

/**

 * Posts a comment for an image. uploadFinished() signal is emitted

 * with success of the post once comment is posted.

 * @param image Image to comment on

 * @param comment Comment to post

 * @return SmfError. SmfNoError if success, else appropriate error code

 */

SmfError SmfGalleryPrivate::postComment(SmfPicture image, SmfComment comment)

	{

	SmfError err = SmfNoError;

	//We need to pass Opcode and SmfProvider serialized into bytearray 

	SmfProvider* m_baseProvider = m_gallery->getProvider();

	m_serializedDataToServer.clear();

	QDataStream write(&m_serializedDataToServer,QIODevice::WriteOnly);

	write<<*m_baseProvider;

	QByteArray dataToPlugins;

	QDataStream streamToPlugin(&dataToPlugins, QIODevice::WriteOnly);

	m_argFlag = 1;

	streamToPlugin<<m_argFlag;

	streamToPlugin<<image;

	streamToPlugin<<m_argFlag;

	streamToPlugin<<comment;

	write<<dataToPlugins;

	QString intfName(galleryInterface);

	int maxalloc = 100; // ToDo:- limit set as 100

	//call private impl's send method

	m_SmfClientPrivate->sendRequest(m_serializedDataToServer, intfName,

			SmfPicturePostComment, maxalloc);

	return err;

	}

/**

 * Request for a custom operation.

 * @param operationId OperationId

 * @param customData Custom data to be sent

 * @return SmfError. SmfNoError if success, else appropriate error code

 * Note:-Interpretation of operationId and customData is upto the concerned

 * plugin and client application. service provider should provide some

 * serializing-deserializing utilities for these custom data

 */

SmfError SmfGalleryPrivate::customRequest ( const int& operationId, QByteArray* customData )

	{

	SmfError err = SmfNoError;

	//We need to pass Opcode and SmfProvider serialized into bytearray 

	SmfProvider* m_baseProvider = m_gallery->getProvider();

	m_serializedDataToServer.clear();

	QDataStream write(&m_serializedDataToServer,QIODevice::WriteOnly);

	write<<*m_baseProvider;

	QByteArray dataToPlugins;

	QDataStream streamToPlugin(&dataToPlugins, QIODevice::WriteOnly);

	m_argFlag = 1;

	streamToPlugin<<m_argFlag;

	streamToPlugin<<operationId;

	if(customData)

		{

		streamToPlugin<<m_argFlag;

		streamToPlugin<<*customData;

		}

	else

		{

		m_argFlag = 0;

		streamToPlugin<<m_argFlag;

		}

	write<<dataToPlugins;

	QString intfName(galleryInterface);

	//ToDo:- How much size to allocate for custo data? keeping MaxSmfPictureSize for now

	int maxAlloc = MaxSmfPictureSize;

	//call private impl's send method

	m_SmfClientPrivate->sendRequest(m_serializedDataToServer, intfName,

			SmfPictureCustomRequest, maxAlloc);

	return err;

	}

SmfError SmfGalleryPrivate::cancelRequest()

	{

	qDebug()<<"Inside SmfGalleryPrivate::cancelRequest()";

	QByteArray notused;

	QByteArray retData = m_SmfClientPrivate->sendSyncRequest(notused,SmfCancelRequest,1000, notused);

	//De-serialize it into SmfError

	QDataStream reader(&retData,QIODevice::ReadOnly);

	int val;

	reader>>val;

	SmfError error = (SmfError) val;

	return error;

	}

/**

 * To notify availibility of asynchronous requests.

 * @param result Requested result, before using must check error param.

 * @param opcode Requested opcode, for which the result has arrived.

 * @param error Error

 */

void SmfGalleryPrivate::resultsAvailable(QByteArray result,SmfRequestTypeID opcode,SmfError error)

	{

	qDebug()<<"SmfGalleryPrivate::resultsAvailable";

	qDebug()<<"opcode = "<<opcode;

	//note:- "result" is serialized and we need to de-serialize it as per opcode

	//Order of serialization Error value followed by data

	QDataStream reader(&result,QIODevice::ReadOnly);

	//Now de-serialize it based on opcode

	switch(opcode)

		{

		case SmfPictureGetAlbums:

			{

			qDebug()<<"fOR ALBUMS LIST";

			SmfPictureAlbumList* m_albums = new SmfPictureAlbumList;

			reader>>*(m_albums);

			qDebug()<<" Albums count = "<<m_albums->count();

			SmfResultPage page; // ToDo :-

			emit m_gallery->albumsAvailable(m_albums,error,page);

			break;

			}

		case SmfPictureGetPictures:

			{

			SmfPictureList* m_picList = new SmfPictureList;

			reader>>*(m_picList);

			qDebug()<<"m_picList.count = "<<m_picList->count();

			//ToDo:- not incorporating paging now

			SmfResultPage page;

			emit m_gallery->picturesAvailable(m_picList,error,page);

			break;

			}

		case SmfPictureDescription:

			{

			QString str;

			reader>>str;

			qDebug()<<"Pic desc = "<<str;

			emit m_gallery->descriptionAvailable(str,error);

			break;

			}

		case SmfPictureUpload:

		case SmfPicturePostComment:

			{

			int errInt;

			reader>>errInt;

			qDebug()<<"success = "<<errInt;

			QList<SmfError> successList;

			SmfError success = (SmfError)errInt; 

			successList.append(success);

			emit m_gallery->uploadFinished(successList);

			break;

			}

		case SmfPictureMultiUpload:

			{

			QList<int> successListInt;

			QList<SmfError> successList;

			reader>>successListInt;

			foreach(int success,successListInt)

				successList.append((SmfError)success);

			emit m_gallery->uploadFinished(successList);

			break;

			}

		case SmfPictureCustomRequest:

   			{

   			int operationId;

   			QByteArray *data = new QByteArray;

   			reader>>operationId;

   			reader>>*data;

   			qDebug()<<"operationId = "<<operationId;

   			qDebug()<<"data size = "<<data->size();

   			emit m_gallery->customDataAvailable(operationId, data);

   			break;

   			}

		default:

			User::Panic(_L("Gallery Private = "),opcode);

		}

	}