/*
* 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.
*
* Description: 
*
*/

#include <QSqlQuery>
#include <QVariant>
#include "channelhistorywrapper.h"
#include "irdb.h"


channelHistoryWrapper::channelHistoryWrapper()
{
}

channelHistoryWrapper::~channelHistoryWrapper()
{
} 

bool channelHistoryWrapper::deleteChannelHistory(const columnMap* const condAND,
                                                 const columnMap* const condOR)
{
    QString deleteSqlStr;
    
    if( (NULL != condAND)&&(NULL != condOR) )
    {
        return false;
    }

    if(condAND)
    {
        if(condAND->isEmpty())
        {
            return false;
        }
    }

    if(condOR)
    {
        if(condOR->isEmpty())
        {
            return false;
        }
    }

    deleteSqlStr = "delete from channelHistory ";   
    combineDeleteStr(condAND, condOR, colNameView, deleteSqlStr);
    
    return m_pIRDB->deleteRow(deleteSqlStr)?false:true;
}

bool channelHistoryWrapper::getIRTableCB(QSqlQuery& aIRDataSet, QList<QVariant*>* pQListDataSet)
{
    while (aIRDataSet.next()) 
    {
        QVariant* const p = new QVariant[IRDB_CHANNELHISTORY_COLUMN];
        *pQListDataSet<<p;

        for(int i = 0; i < IRDB_CHANNELHISTORY_COLUMN; i++)
        {
            *(p+i) = aIRDataSet.value(i);
        }
    }

    return true;
}

uint channelHistoryWrapper::srhChannelId(QString& condUserCidStr,
                                         const columnMap* const condAND,
                                         const columnMap* const condOR)
{
    uint srhCID = 0;

    //if condAND or condOR has channeld,
    if(condAND != NULL)
    {
        srhCID = (condAND->value(channelId)).toUInt();         
    } 
    else if(condOR != NULL)
    {
        srhCID = (condOR->value(channelId)).toUInt();         
    }

    if(srhCID)
    {
        return srhCID ;
    }

    //channelId column is false
    //only one case, go to station view, channelUrl and channelNickName
    //search channelId according to urlinof and channelNickName;
    QString srhStr;
    if(condAND != NULL)
    {
        if( ( !(condAND->value(channelUrl).isEmpty())  )&&( !(condAND->value(channelNickName).isEmpty()) ) )
        {
            srhStr = "where "+ colNameView[channelUrl] + " = ";
            srhStr = srhStr + "'" + condAND->value(channelUrl) + "' AND " ;
            srhStr = srhStr + colNameView[channelNickName] + " = ";
            srhStr = srhStr + "'" + condAND->value(channelNickName) + "'";
        }
        condUserCidStr = srhStr;
    }
          
    return srhCID;
}

/*
* this fuction don't suport "update" operation for mutliple records ;
* if condAND != NULL AND condOR != NULL, illegal operation;
* if condAND != NULL or condOR != NULL, it must be "update" operation.
* if condAND == NULL AND condOR == NULL, it is "insert" or "update" operation;
* 
*/
bool channelHistoryWrapper::putChannelHistory(const columnMap* const RowData,
                                              uint* const cidUserDefined,
                                              const logoMap*   const logoData,
                                              const columnMap* const condAND,
                                              const columnMap* const condOR)
{
    uint uCid = 0;
    QString insSqlStr;
    QString updSqlStr;
    QString condSqlStr;       
    QString condUserCidStr;
    columnMap* const RowDataAppend = const_cast<columnMap*>(RowData);
    QList<QByteArray>* pImgList = NULL;
    bool ret = true;


    if( NULL == RowData )
    {
        return false;
    }

    if(RowData->isEmpty())
    {
        return false;
    }


    if( (NULL != condAND)&&(NULL != condOR) )
    {
        return false;
    }

    if(condAND)
    {
        if(condAND->isEmpty())
        {
            return false;
        }
    }

    if(condOR)
    {
        if(condOR->isEmpty())
        {
            return false;
        }
    }
    
    if(cidUserDefined)
    {
        *cidUserDefined = 0;	
    }
    
    insSqlStr = "insert into IRBuff ";   
    updSqlStr = "update IRBuff set ";
    RowDataAppend->insert(opt, QString::number(IRDB_OPT_INSERT));    
    RowDataAppend->insert(dataSource, QString::number(DATA_OF_CHANNELHISTORY));
    
    if(NULL != logoData)
    {
        pImgList = new QList<QByteArray>();
        combinePutStr(RowDataAppend, colNameView, insSqlStr, updSqlStr, logoData, pImgList); 
        *pImgList=logoData->values();
    
    }
    else
    {
        combinePutStr(RowDataAppend, colNameView, insSqlStr, updSqlStr);
    }    
                                        
    if( (NULL == condAND)&&(NULL == condOR) )
    {
        uCid = srhChannelId(condUserCidStr,RowData);
    }
    else //here it must be "update" operation; condition string 
    {
        uCid = srhChannelId(condUserCidStr,condAND, condOR);
        combineCondStr(condAND, condOR, colNameView, condSqlStr);
    }

    if(uCid)
    {
        //updSqlStr += condSqlStr;
        m_pIRDB->chgRowIRDB(insSqlStr, updSqlStr, uCid, condSqlStr, pImgList)? ret = false:true;
    }
    else //here deliver the updSqlstr and condSqlStr seperately.
    {
        m_pIRDB->chgRowIRDB(insSqlStr, updSqlStr, cidUserDefined, condSqlStr, condUserCidStr, pImgList)?ret = false:true;
    }  
    
    if(pImgList)
    {
        delete pImgList;
        pImgList = NULL;
    }
    
    return ret;
}    


QList<QVariant*>* channelHistoryWrapper::getChannelHistory(const columnMap* const condAND,  
                                                     const columnMap* const condOR)
{
    QString sltSqlStr;
    QList<QVariant*> *pDataSet = NULL;
    if( (NULL != condAND)&&(NULL != condOR) )
    {
        return NULL;
    }

    if(condAND)
    {
        if(condAND->isEmpty())
        {
            return NULL;
        }
    }

    if(condOR)
    {
        if(condOR->isEmpty())
        {
            return NULL;
        }
    }

    sltSqlStr = "select * from IRView_channelinfo ";
    combineGetStr(condAND, condOR, colNameView,sltSqlStr);
    pDataSet = new QList<QVariant*>();
    if( m_pIRDB->selectRow(this, sltSqlStr, pDataSet) )
    {
        delete pDataSet;
        pDataSet = NULL;
    }
    
    return pDataSet;
}