/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#include <QTextStream>

#include <QFile>

#include <QStringList>

#include <shareui.h>

#include "irstationshare.h"

#include "irqisdsdatastructure.h"

const char KPlsFilePath[]  = "c:\\data\\share.pls";

const char KPlsFileHeading[]  = "[playlist]";

const char KPlsFileEntryNum[]  = "NumberOfEntries";

const char KPlsFileEnding[]   = "Version=2";

const char KPlsEntryElementFile[]   = "File";

const char KPlsEntryElementTitle[]  = "Title";

const char KPlsEntryElementLength[] = "Length";

const char KPlsIndefiniteLength[] = "-1";

static void constructPlsElement( QTextStream &aOutput, 

                          const IRQPreset &aPreset, 

                          int &aStationIndexBase);

// ---------------------------------------------------------------------------

// Constructor

// ---------------------------------------------------------------------------

//

IRStationShare::IRStationShare()

            : iPlsFilePath(KPlsFilePath)

{

}             

// ---------------------------------------------------------------------------

// Destructor

// ---------------------------------------------------------------------------

//

IRStationShare::~IRStationShare()

{

}

// ---------------------------------------------------------------------------

// NOTE : MUST ensure no changes to all the elements in the list,

//        so, can ONLY access element via const_iterator

// ---------------------------------------------------------------------------

//

bool IRStationShare::shareStations(const QList<IRQPreset*> &aPresetList)

{

    if(!constructPlsFile(aPresetList))

    {

        return false;

    }

    ShareUi shareDialog;

    QStringList fileList;

    fileList.append(iPlsFilePath);

    return shareDialog.send(fileList,true);

}

bool IRStationShare::shareStations(const IRQPreset &aPreset)

{

    if(!constructPlsFile(aPreset))

    {

        return false;

    }

    ShareUi shareDialog;

    QStringList fileList;

    fileList.append(iPlsFilePath);

    return shareDialog.send(fileList,true);

}

// ---------------------------------------------------------------------------

// constructPlsFile

// NOTE : MUST ensure no changes to all the elements in the list,

//        so, can ONLY access element via const_iterator

// ---------------------------------------------------------------------------

//

bool IRStationShare::constructPlsFile(const QList<IRQPreset*> &aPresetList)

{

    if(0 == aPresetList.count())

    {

        return false;

    }

    QFile plsFile(iPlsFilePath);

    if( !plsFile.open(QIODevice::ReadWrite | QIODevice::Truncate) )

    {

        return false;

    }

    QTextStream outputStream( &plsFile );

    outputStream<<KPlsFileHeading<<endl;

    int entryNum = 0;

    for (QList<IRQPreset*>::const_iterator it = aPresetList.begin(); it != aPresetList.end(); ++it)

    {

        entryNum += (*it)->getChannelURLCount();

    }

    QString totalEntry;

    totalEntry.setNum(entryNum);

    outputStream<<KPlsFileEntryNum<<"="<<totalEntry<<endl;

    int stationIndexBase = 1;

    for (QList<IRQPreset*>::const_iterator it = aPresetList.begin(); it != aPresetList.end(); ++it)

    {

        constructPlsElement(outputStream,*(*it),stationIndexBase);

    }

    outputStream<<KPlsFileEnding;

    plsFile.close();

    return true;

}

bool IRStationShare::constructPlsFile(const IRQPreset &aPreset)

{       

    QFile plsFile(iPlsFilePath);

    if( !plsFile.open(QIODevice::ReadWrite | QIODevice::Truncate) )

    {

        return false;

    }

    QTextStream outputStream( &plsFile );

    outputStream<<KPlsFileHeading<<endl;

    QString totalEntry;

    totalEntry.setNum(aPreset.getChannelURLCount());

    outputStream<<KPlsFileEntryNum<<"="<<totalEntry<<endl;

    int stationIndexBase = 1;

    constructPlsElement(outputStream,aPreset,stationIndexBase);

    outputStream<<KPlsFileEnding;

    plsFile.close();

    return true;

}

static void constructPlsElement( QTextStream &aOutput,

                          const IRQPreset &aPreset,

                          int &aStationIndexBase)

{

    QList<int> bitrateList;

    aPreset.getAvailableBitrates(bitrateList);

    int urlIndex = 1;

    QString stationName;

    QList<QString> *urlList = NULL;

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

    {

        urlList = aPreset.getURLsForBitrate(bitrateList.at(i));

        for( int j=0; j<urlList->count(); j++ )

        {

            QString stationUrl = urlList->at(j);

            if( aPreset.getChannelURLCount() <= 1 )

            {

                stationName = aPreset.name;

            }

            else

            {

                QString stationUrlIndex;

                stationUrlIndex.setNum(urlIndex);             

                stationName = aPreset.name + " #[" + stationUrlIndex + "]";

            }

            QString stationIndex;

            stationIndex.setNum(aStationIndexBase);              

            aOutput<<KPlsEntryElementFile<<aStationIndexBase

                   <<"="<<stationUrl<<endl;

            aOutput<<KPlsEntryElementTitle<<aStationIndexBase

                   <<"="<<stationName<<endl;            

            aOutput<<KPlsEntryElementLength<<aStationIndexBase

                   <<"="<<KPlsIndefiniteLength<<endl;            

            urlIndex++;

            aStationIndexBase++;            

        }

        delete urlList;

    }

}