/**

 * 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:

 * Nalina Hariharan

 * 

 * Description:

 * The Plugin that manages post operations on the logged in user's facebook account

 *

 */

#include <QVariant>

#include <QListIterator>

#include <QDebug>

#ifdef SMF_XMLPARSING

#endif

static int chance = 0;

QString uid;

#ifdef SMF_XMLPARSING

SmfPost mypost;

SmfContact contact;

QString currentId;

#endif

QMap<QString, QString> idNameMap;

	qDebug()<<"Inside FBPostProviderPlugin::generateSignature()";

 * Method that returns maximum no of chars (unicode) that service 

 * provider can post without truncation. Negative value means 

	{

	qDebug()<<"Inside FBPostProviderPlugin::maxCharsInPost()";

	}

 * Method that returns maximum no of items that can be returned 

 * in a single query to getPosts. Negative value means feature 

	{

	qDebug()<<"Inside FBPostProviderPlugin::maxItems()";

	}

 * <Method that returns all the formatting of posts that this 

 * service provider supports. May return 0 items to mean 

	{

	qDebug()<<"Inside FBPostProviderPlugin::supportedFormats()";

	}

 * @return Returns true if Appearance is supported, else false. 

	{

	qDebug()<<"Inside FBPostProviderPlugin::supportsAppearence()";

	}

		const int aPageNum , 

	qDebug()<<"Inside FBPostProviderPlugin::retrieve()";

	//// Currently considering for self contact , ie, omitting aUser

	if(0 == chance)

		return getFacebookUserId(aRequest);

	else

		return getPosts(aRequest, aPageNum , aItemsPerPage);

	}

/**

 * Method to get the user's facebook ID

 * @param aRequest [out] The request data to be sent to network

 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

 */

SmfPluginError FBPostProviderPlugin::getFacebookUserId( 

		SmfPluginRequestData &aRequest )

	{

	qDebug()<<"Inside FBPostProviderPlugin::getFacebookUserId()";

	SmfPluginError error = SmfPluginErrUserNotLoggedIn;

#if 1

// Reading the keys, CSM Stubbed - START

	QFile file("c:\\data\\FacebookKeys.txt");

	if (!file.open(QIODevice::ReadOnly))

		{

		qDebug()<<"File to read the keys could not be opened";

		return error;

		}

	qDebug()<<"Key file read, going to parse the key values from file";

	QByteArray arr = file.readAll();

	QList<QByteArray> list = arr.split('\n');

	file.close();

	QString apiKey(list[0]);

	QString apiSecret(list[1]);

	QString sessionKey(list[2]);

	QString sessionSecret(list[3]);

	qDebug()<<"Api Key = "+apiKey;

	qDebug()<<"Api Secret = "+apiSecret;

	qDebug()<<"session Key = "+sessionKey;

	qDebug()<<"session Secret = "+sessionSecret;

// Reading the keys, CSM Stubbed - END

#endif

	// Get the current date and time and convert it to sec as a string

	QString call_id = QString::number(QDateTime::currentDateTime().toTime_t(), 10);

	// Create the API signature string

	QString baseString;

	baseString.append("api_key="+apiKey);

	baseString.append("call_id="+call_id);

#ifdef SMF_XMLPARSING

	baseString.append("format=XML");

#else

	baseString.append("format=JSON");

#endif

	baseString.append("method=users.getLoggedInUser");

	baseString.append("session_key="+sessionKey);

	baseString.append("ss=1");

	baseString.append("v=1.0");

	baseString.append(sessionSecret);

	// Create the url

	QUrl url("http://api.facebook.com/restserver.php?");

	url.addQueryItem("api_key", apiKey);

	url.addQueryItem("call_id", call_id);

#ifdef SMF_XMLPARSING

	url.addQueryItem("format", "XML");

#else

	url.addQueryItem("format", "JSON");

#endif

	url.addQueryItem("method", "users.getLoggedInUser");

	url.addQueryItem("session_key", sessionKey);

	url.addQueryItem("ss", "1");

	url.addQueryItem("v", "1.0");	

	url.addQueryItem("sig", generateSignature(baseString));

	// Create the request, set the url

	aRequest.iNetworkRequest.setUrl(url);

	aRequest.iRequestType = SmfContactRetrievePosts;

	aRequest.iPostData = NULL;

	aRequest.iHttpOperationType = QNetworkAccessManager::GetOperation;

	error = SmfPluginErrNone;

	qDebug()<<"Url string is : "<<aRequest.iNetworkRequest.url().toString();

	return error;

	}

/**

 * Method to get the user's posts

 * @param aRequest [out] The request data to be sent to network

 * @param aPageNum The page to be extracted

 * @param aItemsPerPage Number of items per page

 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

 */

SmfPluginError FBPostProviderPlugin::getPosts( 

		SmfPluginRequestData &aRequest,

		const int aPageNum , 

		const int aItemsPerPage  )

	{

	qDebug()<<"Inside FBPostProviderPlugin::getPosts()";

	qDebug()<<"aPageNum = "<<aPageNum;

	qDebug()<<"aItemsPerPage = "<<aItemsPerPage;

	SmfPluginError error = SmfPluginErrInvalidArguments;

		{

		qDebug()<<"Invalid arguments";

		}

	qDebug()<<"Valid arguments";

#if 1

// Reading the keys, CSM Stubbed - START

	QFile file("c:\\data\\FacebookKeys.txt");

	if (!file.open(QIODevice::ReadOnly))

		qDebug()<<"File to read the keys could not be opened";

		return SmfPluginErrUserNotLoggedIn;

		}

	qDebug()<<"Key file read, going to parse the key values from file";

	QByteArray arr = file.readAll();

	QList<QByteArray> list = arr.split('\n');

	file.close();

	QString apiKey(list[0]);

	QString apiSecret(list[1]);

	QString sessionKey(list[2]);

	QString sessionSecret(list[3]);

	qDebug()<<"Api Key = "+apiKey;

	qDebug()<<"Api Secret = "+apiSecret;

	qDebug()<<"session Key = "+sessionKey;

	qDebug()<<"session Secret = "+sessionSecret;

// Reading the keys, CSM Stubbed - END

#endif

	// Get the current date and time and convert it to sec as a string

	QString call_id = QString::number(QDateTime::currentDateTime().toTime_t(), 10);

	// Create the API signature string

	QString baseString;

	baseString.append("api_key="+apiKey);

	baseString.append("call_id="+call_id);

#ifdef SMF_XMLPARSING

	baseString.append("format=XML");

#else

	baseString.append("format=JSON");

#endif

	if(0 == aPageNum)

		{

		//baseString.append("limit="+QString::number((aItemsPerPage*(aPageNum+1)), 10));

		qDebug()<<"Hardcoding pagenumber and itemperpage to fetch 5 posts";

		int val = 5;

		baseString.append("limit="+QString::number(val));

		}

	else

		baseString.append("limit="+QString::number((aItemsPerPage*aPageNum), 10));

	baseString.append("method=stream.get");

	baseString.append("session_key="+sessionKey);

	baseString.append("source_ids="+uid);

	baseString.append("ss=1");

	baseString.append("v=1.0");

	baseString.append(sessionSecret);

	// Create the url

	QUrl url("http://api.facebook.com/restserver.php?");

	url.addQueryItem("api_key", apiKey);

	url.addQueryItem("call_id", call_id);

#ifdef SMF_XMLPARSING

	url.addQueryItem("format", "XML");

#else

	url.addQueryItem("format", "JSON");

#endif

	if(0 == aPageNum)

		{

//		url.addQueryItem("limit", QString::number((aItemsPerPage*(aPageNum+1)), 10));

		qDebug()<<"Hardcoding pagenumber and itemperpage to fetch 5 posts";

		int val = 5;

		url.addQueryItem("limit", QString::number(val));

	else

		url.addQueryItem("limit", QString::number((aItemsPerPage*aPageNum), 10));

	url.addQueryItem("method", "stream.get");

	url.addQueryItem("session_key", sessionKey);

	url.addQueryItem("source_ids",uid);

	url.addQueryItem("ss", "1");

	url.addQueryItem("v", "1.0");	

	url.addQueryItem("sig", generateSignature(baseString));

	// Create the request, set the url

	aRequest.iNetworkRequest.setUrl(url);

	aRequest.iRequestType = SmfContactRetrievePosts;

	aRequest.iPostData = NULL;

	aRequest.iHttpOperationType = QNetworkAccessManager::GetOperation;

	error = SmfPluginErrNone;

	qDebug()<<"Url string is : "<<aRequest.iNetworkRequest.url().toString();

		const SmfPost &aPostData, 

	Q_UNUSED(aPostData)

	Q_UNUSED(aLocation)

	qDebug()<<"Inside FBPostProviderPlugin::post()";

	return error; 

	Q_UNUSED(aPostData)

	qDebug()<<"Inside FBPostProviderPlugin::updatePost()";

	return error; 

		const SmfPost &aPostData, 

		const SmfContact &aContact, 

	Q_UNUSED(aLocation)

	qDebug()<<"Inside FBPostProviderPlugin::postDirected()";

	SmfPluginError error = SmfPluginErrInvalidArguments;

	// invalid arguments

	qDebug()<<"To be Post data = "<<aPostData.description();

	qDebug()<<"To be posted Contact id = "<<aContact.value("Guid").value<QContactGuid>().guid();

	if( (0 == aPostData.description().size()) || (0 == aContact.value("Guid").value<QContactGuid>().guid().size()) )

		{

		qDebug()<<"Invalid arguments";

		return error;

		}

	qDebug()<<"Valid arguments";

#if 1

// Reading the keys, CSM Stubbed - START

	QFile file("c:\\data\\FacebookKeys.txt");

	if (!file.open(QIODevice::ReadOnly))

		{

		qDebug()<<"File to read the keys could not be opened";

		return SmfPluginErrUserNotLoggedIn;

		}

	qDebug()<<"Key file read, going to parse the key values from file";

	QByteArray arr = file.readAll();

	QList<QByteArray> list = arr.split('\n');

	file.close();

	QString apiKey(list[0]);

	QString apiSecret(list[1]);

	QString sessionKey(list[2]);

	QString sessionSecret(list[3]);

	qDebug()<<"Api Key = "<<apiKey;

	qDebug()<<"Api Secret = "<<apiSecret;

	qDebug()<<"session Key = "<<sessionKey;

	qDebug()<<"session Secret = "<<sessionSecret;

// Reading the keys, CSM Stubbed - END

#endif

	// Get the current date and time and convert it to sec as a string

	QString call_id = QString::number(QDateTime::currentDateTime().toTime_t(), 10);

	// Create the API signature string

	QString baseString;

	baseString.append("api_key="+apiKey);

	baseString.append("call_id="+call_id);

#ifdef SMF_XMLPARSING

	baseString.append("format=XML");

#else

	baseString.append("format=JSON");

#endif

	baseString.append("message="+aPostData.description());

	baseString.append("method=stream.publish");

	baseString.append("session_key="+sessionKey);

	baseString.append("ss=1");

	baseString.append("target_id="+aContact.value("Guid").value<QContactGuid>().guid());

	baseString.append("v=1.0");

	baseString.append(sessionSecret);

	// Create the url

	QUrl url("http://api.facebook.com/restserver.php?");

	url.addQueryItem("api_key", apiKey);

	url.addQueryItem("call_id", call_id);

#ifdef SMF_XMLPARSING

	url.addQueryItem("format", "XML");

#else

	url.addQueryItem("format", "JSON");

#endif

	url.addQueryItem("message", aPostData.description());

	url.addQueryItem("method", "stream.publish");

	url.addQueryItem("session_key", sessionKey);

	url.addQueryItem("ss", "1");

	url.addQueryItem("target_id", aContact.value("Guid").value<QContactGuid>().guid());

	url.addQueryItem("v", "1.0");	

	url.addQueryItem("sig", generateSignature(baseString));

	// Create the request, set the url

	aRequest.iNetworkRequest.setUrl(url);

	aRequest.iRequestType = SmfContactPostDirected;

	aRequest.iPostData = NULL;

	aRequest.iHttpOperationType = QNetworkAccessManager::GetOperation;

	error = SmfPluginErrNone;

	qDebug()<<"Url string is : "<<aRequest.iNetworkRequest.url().toString();

		const SmfPost &aComment, 

	Q_UNUSED(aTarget)

	Q_UNUSED(aComment)

	Q_UNUSED(aLocation)