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#include "cntfilterdetaildisplaylabel.h"

#include "cntdisplaylabel.h"

#include <qcontactname.h>

#include <qcontactorganization.h>

#include <qtcontacts.h>

CntFilterDetailDisplayLabel::CntFilterDetailDisplayLabel(/*CntSymbianSrvConnection &cntServer*/) //: m_srvConnection(cntServer)

{

// TODO Auto-generated constructor stub

}

CntFilterDetailDisplayLabel::~CntFilterDetailDisplayLabel()

{

// TODO Auto-generated destructor stub

}

#ifdef afdsfds0

bool CntFilterDetailDisplayLabel::filterSupported(const QContactFilter& filter) 

{

    bool result = false;

    if( filter.type() == QContactFilter::ContactDetailFilter)

    {

        const QContactDetailFilter detailFilter(filter);

        if (detailFilter.detailDefinitionName() == QContactDisplayLabel::DefinitionName)

        {

            result = true;

        }

    }

    return false;

}

#endif

void CntFilterDetailDisplayLabel::createSelectQuery(const QContactFilter& filter,

                              QString& sqlQuery,

                              QContactManager::Error* error)

{

    //Commented currently since this will be checked in contacts call intially

    //if(filterSupported(filter))

    {

        const QContactDetailFilter detailFilter(filter);

        *error = QContactManager::NoError;

        //get the contact fields that should be checked

        CntDisplayLabel displayLabel;

        QList<QPair<QLatin1String, QLatin1String> > contactFields = displayLabel.contactFilterDetails();

        //search values

        QStringList searchStrings = detailFilter.value().toStringList();

        //default sql query

        sqlQuery = "SELECT contact_id FROM contact WHERE (type_flags>>24)=0";

        //everything ok

        if(!searchStrings.isEmpty() && searchStrings.count() <= contactFields.count() )

        {

            QString subQuery;

            QStringList columns;

            //get the column names

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

            {

                columns << columnName(contactFields.at(i));

            }

            //single search value

            if(searchStrings.count() == 1)

            {

                createQuerySingleSearchValue(subQuery, searchStrings.at(0), columns);

            }

            //multiple search values

            else

            {

                createQueryMultipleSearchValues(subQuery, searchStrings, columns);    

            }

            if(!subQuery.isEmpty()){

            sqlQuery += " AND (" + subQuery + ')';

            }

            *error = QContactManager::NoError;

        }

        //if specified more filter criterias than contact fields return error

        else if(searchStrings.count() > contactFields.count()){

            *error = QContactManager::BadArgumentError;

        }

    }

}

QString CntFilterDetailDisplayLabel::createSelectQuery(const QContactFilter& filter,

                                  const QList<QContactSortOrder>& sortOrders,

                                  QContactManager::Error* error) const

{

    Q_UNUSED(sortOrders);

    QString result;

    //Commented currently since this will be checked in contacts call intially

    //if(filterSupported(filter))

    {

        const QContactDetailFilter detailFilter(filter);

        *error = QContactManager::NoError;

        //get the contact fields that should be checked

        CntDisplayLabel displayLabel;

        QList<QPair<QLatin1String, QLatin1String> > contactFields = displayLabel.contactFilterDetails();

        //search values

        QStringList searchStrings = detailFilter.value().toStringList();

        //default sql query

        result = "SELECT contact_id FROM contact WHERE (type_flags>>24)=0";

        //everything ok

        if(!searchStrings.isEmpty() && searchStrings.count() <= contactFields.count() )

        {

            QString subQuery;

            QStringList columns;

            //get the column names

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

            {

                columns << columnName(contactFields.at(i));

            }

            //single search value

            if(searchStrings.count() == 1)

            {

                createQuerySingleSearchValue(subQuery, searchStrings.at(0), columns);

            }

            //multiple search values

            else

            {

                createQueryMultipleSearchValues(subQuery, searchStrings, columns);    

            }

            if(!subQuery.isEmpty()){

                result += " AND (" + subQuery + ')';

            }

            *error = QContactManager::NoError;

        }

        //if specified more filter criterias than contact fields return error

        else if(searchStrings.count() > contactFields.count()){

            *error = QContactManager::BadArgumentError;

        }

    }

    return result;

}

/* Creates a sql query for a single search value  

 * 

 * \a sqlQuery where the query is written

 * \a searchValue the value that should be used to select contacts

 * \a columns the columns to be looked from

 * 

 */

void CntFilterDetailDisplayLabel::createQuerySingleSearchValue(QString& sqlQuery, const QString &searchValue, const QStringList &columns) const

{

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

    {

        sqlQuery += createSubQuery(searchValue, columns.at(i));

        if( i < (columns.count() - 1))

        {

            sqlQuery += " OR ";

        }

    }

}

/* Creates a sql query for a multiple search values, Note supports only 2 search and columns values currently   

 * 

 * \a sqlQuery where the query is written

 * \a searchValues the value that should be used to select contacts

 * \a columns the columns to be looked from

 */

void CntFilterDetailDisplayLabel::createQueryMultipleSearchValues(QString& sqlQuery, const QStringList &searchValues, const QStringList &columns) const

{

    if( searchValues.count() == 2 && columns.count() == 2 )

    {

        sqlQuery += createSubQuery(searchValues.at(0), columns.at(1)) + " AND ";

        sqlQuery += createSubQuery(searchValues.at(1), columns.at(0)) + " OR ";

        sqlQuery += createSubQuery(searchValues.at(0), columns.at(0)) + " AND ";

        sqlQuery += createSubQuery(searchValues.at(1), columns.at(1));

    }

}

/* Creates a sql LIKE Statement for the search valuea and column  

 * 

 * \a searchValue to be added to the query

 * \a column to be added to the query

 * \return the sql LIKE query

 */

QString CntFilterDetailDisplayLabel::createSubQuery(const QString &searchValue, const QString &column) const

{

    return ('(' + column + " LIKE \'" + searchValue + "%\' OR " + column + " LIKE \'% " + searchValue + "%\')");

}

/*

 * Get the sql column name based on the detail 

 * 

 * \a detail to search the column name for

 * \a columnName contains the column name or empty string if none found

 */

QString CntFilterDetailDisplayLabel::columnName(const QPair<QLatin1String, QLatin1String> &detail) const

{

    QString columnName = "";

    //Name detail

    if(detail.first == QContactName::DefinitionName)

    {

        if(detail.second == QContactName::FieldFirstName)

        {

            columnName = "first_name";

        }

        else if(detail.second == QContactName::FieldLastName)

        {

            columnName = "last_name";

        }

    }

    //Organization

    else if(detail.first == QContactOrganization::DefinitionName)

    {

        if(detail.second == QContactOrganization::FieldName)

        {

            columnName = "company_name";

        }

    }

    return columnName;

}