/*

 * lastfmmusiceventplugin.cpp

 *

 *  Created on: Jun 21, 2010

 *      Author: ankitg

 */

//Include files

#include <QtPlugin>

#include <QCryptographicHash>

#include <QDataStream>

#include <QTextStream>

#include <QFile>

#include <QNetworkReply>

#include <QMap>

#include <QListIterator>

#include <QXmlStreamReader>

#include <SmfPicture.h>

#include <QSettings>

#include "lastfmmusiceventplugin.h"

//Added for testing - start

//static const QString apiKey = "8823ece35e487bada68fa893d7ecf91e";

//static const QString apiKey = "50ac6d6581c3784efe40748fe87d8413";

//static const QString apiSecret = "20ccb1cc62aa50caf7d8aae31808d429";

//static const QString apiSecret = "623f4274bcea772fd6f411cf298b6bfa";

//static const QString miniToken = "773193698 ";

//static const QString apiKey = "eb3a2d8361718782ebf3887f2bb8775b";

//static const QString apiSecret = "7a390c4c1ec4fef41cef4d77354b30f8"; // created on 12th Aug

static const QString apiKey = "50ac6d6581c3784efe40748fe87d8413";

static const QString apiSecret = "623f4274bcea772fd6f411cf298b6bfa"; // created on 23th Aug

//QString fullToken = "72157624000326005-e6cba1c7665a778e";

//Payload data array

QByteArray payload;

QString uids;

/**

 * Method called by plugins for logging

 * @param log string to be logged

 */

void MusicEventPlugin::writeLog(QString log) const

	{

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

    if (!file.open(QIODevice::Append | QIODevice::Text))

	         ;

    QTextStream out(&file);

    out << log << "\n";

    file.close();

	}

/**

 * Method to interpret the key sets obtained from credential manager 

 * @param aApiKey [out] The api key

 * @param aApiSecret [out] The api secret

 * @param aSessionKey [out] The session key

 * @param aSessionSecret [out] The session secret

 * @param aAppId [out] The application ID

 */

void MusicEventPlugin::fetchKeys( QString &aApiKey, 

		QString &aApiSecret, 

		QString &aSessionKey, 

		QString &aSessionSecret )

	{

	writeLog("Inside MusicEventPlugin::fetchKeys()");

	writeLog("Reg Token = "+m_provider->m_smfRegToken);

	writeLog("Expiry Date as int = "+m_provider->m_validity.toTime_t());

	SmfAuthParams keys;

	SmfPluginUtil util;

	util.getAuthKeys(keys, m_provider->m_smfRegToken, 

			m_provider->m_validity, m_provider->m_pluginId);

	writeLog("Number of key-value pairs = "+keys.count());

    QByteArray keyName;

    keyName.append("ApiKey");

	aApiKey.append(keys.value(keyName));

    keyName.clear();

    keyName.append("ApiSecret");

	aApiSecret.append(keys.value(keyName));

	keyName.clear();

    keyName.append("SessionKey");

	aSessionKey.append(keys.value(keyName));

	keyName.clear();

    keyName.append("SessionSecret");

	aSessionSecret.append(keys.value(keyName));

	writeLog("Api Key = "+aApiKey);

	writeLog("Api Secret = "+aApiSecret);

	writeLog("session Key = "+aSessionKey);

	writeLog("session Secret = "+aSessionSecret);

	}

/**

 * Destructor

 */

MusicEventPlugin::~MusicEventPlugin()

	{

	if(m_provider)

		delete m_provider;

	}

/**

 * Method called by plugins to generate a signature string from a base string

 * @param aBaseString The base string

 * @return The md5 hash of the base string

 */

QString MusicEventPlugin::generateSignature(const QString aBaseString)

	{

	writeLog("MusicEventPlugin::generateSignature");

	// Create md5 hash of the signature string

    QByteArray byteArray;

    byteArray.insert(0, aBaseString.toAscii());

    QByteArray md5Hash = QCryptographicHash::hash(byteArray,QCryptographicHash::Md5 ).toHex();

    QString returnString (md5Hash);

    return returnString;

	}

/**

 * Method to get the events based on location

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

 * @param aLocation Location of the event

 * @param aPageNum The page to be extracted

 * @param aItemsPerPage Number of items per page

 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

 */

/*SmfPluginError MusicEventPlugin::events( SmfPluginRequestData &aRequest,

		const QGeoPositionInfo &aLocation,const int aPageNum, 

		const int aItemsPerPage)

	{

	Q_UNUSED(aItemsPerPage);

	SmfPluginError error = SmfPluginErrUserNotLoggedIn;

	writeLog("MusicEventPlugin::events()");

	QString baseString;

	baseString.append(apiSecret);

	baseString.append("api_key"+apiKey);

	baseString.append("auth_token");

	baseString.append("formatjson");

	baseString.append("location=Delhi");

	baseString.append("method=geo.getEvents");

	writeLog("Url string is :"+baseString);

	// Create the url

	 QUrl url("http://ws.audioscrobbler.com/2.0/?");

	 url.addQueryItem("method", "geo.getevents");

	 url.addQueryItem("location","madrid");

	 url.addQueryItem("api_key", apiKey);

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

	 url.addQueryItem("auth_token","");

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

	 writeLog("/n/n"+generateSignature(baseString)); 

	 writeLog("/n/n Response is :"+url.toString());

				// Create the request, set the url

	 aRequest.iNetworkRequest.setUrl(url);

	 aRequest.iRequestType = SmfMusicGetEventsOnLoc;

	 aRequest.iPostData = NULL;

	 aRequest.iHttpOperationType = QNetworkAccessManager::GetOperation;

	 error = SmfPluginErrNone;

	 return error;	

	}

		*/

/**

 * Method to get the venues based on location

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

 * @param aLocation Location of the venue

 * @param aPageNum The page to be extracted

 * @param aItemsPerPage Number of items per page

 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

 */

SmfPluginError MusicEventPlugin::venues( SmfPluginRequestData &aRequest,

		const SmfLocation &aLocation,const int aPageNum, 

		const int aItemsPerPage)

	{

		Q_UNUSED(aItemsPerPage);

		Q_UNUSED(aPageNum);

		SmfPluginError error = SmfPluginErrUserNotLoggedIn;

		// Get the key sets from SMF Plugin Utility class.

		QString apiKey;

		QString apiSecret;

		QString sessionKey;

		QString sessionSecret;

		fetchKeys(apiKey, apiSecret, sessionKey, sessionSecret);

		writeLog("API KEY"+apiKey);

		writeLog("API SECRET"+apiSecret);

		writeLog("SessionKey"+sessionKey);

		writeLog("sessionSecret"+sessionSecret);

		writeLog("MusicEventPlugin::Venues()");

		//QString qName("New York");

		//aLocation.setCity(qName);

		//QString qLocation = aLocation.city();

		//640418

		//QString qLocation("New York");

/*		QString baseString;

		baseString.append(apiSecret);

		baseString.append("api_key"+apiKey);

		baseString.append("auth_token");

		baseString.append("formatjson");

		baseString.append("location ="+aLocation.city());

		baseString.append("method=geo.getEvents");

		writeLog("Url string is :"+baseString);

		//Create the url

		QUrl url("http://ws.audioscrobbler.com/2.0/?");

		url.addQueryItem("method", "geo.getevents");

		url.addQueryItem("location",aLocation.city());

		url.addQueryItem("api_key", apiKey);

		url.addQueryItem("api_key", apiKey);

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

		url.addQueryItem("auth_token","");

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

		writeLog("/n/n"+generateSignature(baseString)); 

		writeLog("/n/n Response is :"+url.toString());

		//Create the request, set the url

		aRequest.iNetworkRequest.setUrl(url);

		aRequest.iRequestType = SmfEventsGetVenues;

		aRequest.iPostData = NULL;

		aRequest.iHttpOperationType = QNetworkAccessManager::GetOperation;

		error = SmfPluginErrNone;

		return error;	*/

	    QString baseString;

		baseString.append(apiSecret);

		baseString.append("api_key"+apiKey);

		baseString.append("auth_token");

		baseString.append("formatjson");

		baseString.append("location=Newyork");

		baseString.append("method=geo.getEvents");

		writeLog("Url string is :"+baseString);

		// Create the url

		 QUrl url("http://ws.audioscrobbler.com/2.0/?");

		 url.addQueryItem("method", "geo.getevents");

		 url.addQueryItem("location","Newyork");

		 url.addQueryItem("api_key", apiKey);

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

		 url.addQueryItem("auth_token","");

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

		 writeLog("/n/n"+generateSignature(baseString)); 

		 writeLog("/n/n Response is :"+url.toString());

					// Create the request, set the url

		 aRequest.iNetworkRequest.setUrl(url);

		 aRequest.iRequestType = SmfEventsGetEvents;

		 aRequest.iPostData = NULL;

		 aRequest.iHttpOperationType = QNetworkAccessManager::GetOperation;

		 error = SmfPluginErrNone;

		 return error;	

	}

/**

 * Method to get the events based on venues

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

 * @param aVenue Venue of the event

 * @param aPageNum The page to be extracted

 * @param aItemsPerPage Number of items per page

 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

 */

SmfPluginError MusicEventPlugin::events( SmfPluginRequestData &aRequest,

		const SmfLocation &aVenue,const int aPageNum, 

		const int aItemsPerPage)

	{

	Q_UNUSED(aItemsPerPage);

	Q_UNUSED(aPageNum);

	SmfPluginError error = SmfPluginErrUserNotLoggedIn;

	// Get the key sets from SMF Plugin Utility class.

		QString apiKey;

		QString apiSecret;

		QString sessionKey;

		QString sessionSecret;

		fetchKeys(apiKey, apiSecret, sessionKey, sessionSecret);

		writeLog("API KEY"+apiKey);

		writeLog("API SECRET"+apiSecret);

		writeLog("SessionKey"+sessionKey);

		writeLog("sessionSecret"+sessionSecret);

	    QString baseString;

		baseString.append(apiSecret);

		baseString.append("api_key"+apiKey);

		baseString.append("auth_token");

		baseString.append("formatjson");

		baseString.append("location="+aVenue.city());

		baseString.append("method=geo.getEvents");

		writeLog("Url string is :"+baseString);

		// Create the url

		 QUrl url("http://ws.audioscrobbler.com/2.0/?");

		url.addQueryItem("method", "geo.getevents");

		url.addQueryItem("location",aVenue.city());

		url.addQueryItem("api_key", apiKey);

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

		url.addQueryItem("auth_token","");

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

		writeLog("/n/n"+generateSignature(baseString)); 

		writeLog("/n/n Response is :"+url.toString());

		//Create the request, set the url

		 aRequest.iNetworkRequest.setUrl(url);

		 aRequest.iRequestType = SmfEventsGetEvents;

		 aRequest.iPostData = NULL;

		 aRequest.iHttpOperationType = QNetworkAccessManager::GetOperation;

		 error = SmfPluginErrNone;

		 return error;	

	}

/**

 * Method to post events

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

 * @param aEventList The list of events to be posted

 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

 */

SmfPluginError MusicEventPlugin::postEvents( SmfPluginRequestData &aRequest,

		const QList<SmfEvent> &aEventList )

	{

	       Q_UNUSED(aEventList)

		   SmfPluginError error = SmfPluginErrUserNotLoggedIn;

		   writeLog("MusicEventPlugin::events()");

		   int count =aEventList.count();

		   for(int i=0;i<count;i++)

			   { 

		        SmfEvent ievent=aEventList[i];

		        writeLog("Event List"+ievent.id());

			   }

			// Get the key sets from SMF Plugin Utility class.

			QString apiKey;

			QString apiSecret;

			QString sessionKey;

			QString sessionSecret;

			fetchKeys(apiKey, apiSecret, sessionKey, sessionSecret);

			writeLog("API KEY"+apiKey);

			writeLog("API SECRET"+apiSecret);

			writeLog("SessionKey"+sessionKey);

			writeLog("sessionSecret"+sessionSecret);

		/*	QString baseString;

			baseString.append(apiSecret);

			baseString.append("api_key"+apiKey);

			baseString.append("auth_token");

			baseString.append("formatjson");

		//	baseString.append("method=event.shout"); // needs authentication

		//	baseString.append("Event"+"aEventList.at(0)");

			writeLog("Url string is :"+baseString);

		   //Create the url

			 QUrl url("http://ws.audioscrobbler.com/2.0/?");

			 url.addQueryItem("method", "event.shout");   // needs authentication

			 url.addQueryItem("api_key", apiKey);

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

		//	 url.addQueryItem("Event","aEventList.at(0)");

			 url.addQueryItem("auth_token","");

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

			 writeLog("/n/n Response is :"+url.toString());

						// Create the request, set the url

			 aRequest.iNetworkRequest.setUrl(url);

			 aRequest.iRequestType = SmfEventsPostEvents;

			 aRequest.iPostData = NULL;

			 aRequest.iHttpOperationType = QNetworkAccessManager::GetOperation;

			 error = SmfPluginErrNone;

			 return error;	*/

		   //For Testing Only      

		    QString baseString;

		    //QString strId("328799");

		    QString eventId("328799");//= aEvent.id();

			//QString eventId;

			//eventId = aEvent.id();

			baseString.append(apiSecret);

		    baseString.append("api_key"+apiKey);

					//baseString.append("auth_token");

			baseString.append("formatjson");

			baseString.append("method=event.getattendees");

			baseString.append("event"+eventId);

			writeLog("Url string is :"+baseString);

			//Create the url

			QUrl url("http://ws.audioscrobbler.com/2.0/?");

			url.addQueryItem("method", "event.getattendees");

			url.addQueryItem("event",eventId);

			url.addQueryItem("api_key", apiKey);

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

			//url.addQueryItem("auth_token","");

			//url.addQueryItem("api_sig", generateSignature(baseString));

			writeLog("/n/n Response is :"+url.toString());

			//Create the request, set the url

			aRequest.iNetworkRequest.setUrl(url);

			aRequest.iRequestType = SmfEventsPostEvents;

			aRequest.iPostData = NULL;

			aRequest.iHttpOperationType = QNetworkAccessManager::GetOperation;

			error = SmfPluginErrNone;

			return error;	

	}

/**

 * Customised method for SmfMusicEventsPlugin interface

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

 * @param aOperation The operation type (should be known between 

 * the client interface and the plugin)

 * @param aData The data required to form the request (The type 

 * of data should be known between client and the plugin)

 * @return SmfPluginError Plugin error if any, else SmfPluginErrNone

 */

SmfPluginError MusicEventPlugin::attendees( SmfPluginRequestData &aRequest,

			const SmfEvent &aEvent, 

			const int aPageNum ,

			const int aItemsPerPage )

	{

		Q_UNUSED(aItemsPerPage);

		SmfPluginError error = SmfPluginErrUserNotLoggedIn;

		writeLog("MusicEventPlugin::events()");

		// Get the key sets from SMF Plugin Utility class.

		QString apiKey;

		QString apiSecret;

		QString sessionKey;

		QString sessionSecret;

		fetchKeys(apiKey, apiSecret, sessionKey, sessionSecret);

		writeLog("API KEY"+apiKey);

		writeLog("API SECRET"+apiSecret);

		writeLog("SessionKey"+sessionKey);

		writeLog("sessionSecret"+sessionSecret);

	    QString baseString;

	    //QString strId("328799");

		//aEvent.setId(strId);

	    //QString eventId = aEvent.id();

		QString eventId;

		eventId = aEvent.id();

		baseString.append(apiSecret);

	    baseString.append("api_key"+apiKey);

				//baseString.append("auth_token");

		baseString.append("formatjson");

		baseString.append("method=event.getattendees");

		baseString.append("event"+eventId);

		writeLog("Url string is :"+baseString);

		//Create the url

		QUrl url("http://ws.audioscrobbler.com/2.0/?");

		url.addQueryItem("method", "event.getattendees");

		url.addQueryItem("event",eventId);

		url.addQueryItem("api_key", apiKey);

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

				// url.addQueryItem("auth_token","");

				// url.addQueryItem("api_sig", generateSignature(baseString));

		writeLog("/n/n Response is :"+url.toString());

		//Create the request, set the url

		aRequest.iNetworkRequest.setUrl(url);

		aRequest.iRequestType = SmfEventsGetEventAttendees;

		aRequest.iPostData = NULL;

		aRequest.iHttpOperationType = QNetworkAccessManager::GetOperation;

		error = SmfPluginErrNone;

		return error;	

	}

SmfPluginError MusicEventPlugin::customRequest( SmfPluginRequestData &aRequest, 

		const int &aOperation, QByteArray *aData )

	{

	Q_UNUSED(aRequest)

	Q_UNUSED(aOperation)

	Q_UNUSED(aData)

    //SmfEventsCustomRequest

	return SmfPluginErrServiceNotSupported; 

	}

/**

 * The first method to be called in the plugin that implements this interface.

 * If this method is not called, plugin may not behave as expected.

 * Plugins are expected to save the aUtil handle and use and when required.

 * @param aUtil The instance of SmfPluginUtil

 */

void MusicEventPlugin::initialize(/* SmfPluginUtil *aUtil */)

	{

	// Save the SmfPluginUtil handle

	//m_util = aUtil;

	// Create an instance of MusicProviderBase

	m_provider = new MusicProviderBase;

	m_provider->initialize();

	}

/**

 * Method to get the provider information

 * @return Instance of SmfProviderBase

 */

SmfProviderBase* MusicEventPlugin::getProviderInfo( )

	{

	return m_provider;

	}

/**

 * Method to get the result for a network request.

 * @param aOperation The type of operation to be requested

 * @param aTransportResult The result of transport operation

 * @param aResponse The QByteArray instance containing the network response.

 * The plugins should delete this instance once they have read the 

 * data from it.

 * @param aResult [out] An output parameter to the plugin manager.If the 

 * return value is SmfSendRequestAgain, QVariant will be of type 

 * SmfPluginRequestData.

 * For SmfGalleryPlugin: If last operation was pictures(), aResult will 

 * be of type QList<SmfPicture>. If last operation was description(), 

 * aResult will be of type QString. If last operation was upload() or 

 * postComment(), aResult will be of type bool.

 * @param aRetType [out] SmfPluginRetType