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#include "cntdisplaylabelsqlfilter.h"

#include "cntdisplaylabel.h"

#include <qcontactname.h>

#include <qcontactorganization.h>

#include <qtcontacts.h>

CntDisplayLabelSqlFilter::CntDisplayLabelSqlFilter()

{

// TODO Auto-generated constructor stub

}

CntDisplayLabelSqlFilter::~CntDisplayLabelSqlFilter()

{

// TODO Auto-generated destructor stub

}

void CntDisplayLabelSqlFilter::createSqlQuery(const QContactDetailFilter& filter,

                        QString& sqlQuery,

{

    //get the contact fields that should be checked

    CntDisplayLabel displayLabel;

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

    //search values

    QStringList searchStrings = filter.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()){

        }

    }

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

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

    }

}

/* 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 CntDisplayLabelSqlFilter::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 CntDisplayLabelSqlFilter::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 CntDisplayLabelSqlFilter::createSubQuery(const QString &searchValue, const QString &column) const

{

}

/*

 * 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 CntDisplayLabelSqlFilter::columnName(const QPair<QLatin1String, QLatin1String> &detail) const

{

    QString columnName = "";

    //Name detail

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

    {

        {

            columnName = "first_name";

        }

        {

            columnName = "last_name";

        }

    }

    //Organization

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

    {

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

        {

            columnName = "company_name";

        }

    }

    return columnName;

}