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#include <cntdef.h>

#include "cntdbinfo.h"

#include "cntfilterdetail.h"

CntDbInfo::CntDbInfo()       

{

    QString id("%1.%2");

    contactsTableIdColumNameMapping.insert(id.arg(QContactName::DefinitionName, QContactName::FieldFirstName), "first_name");

    contactsTableIdColumNameMapping.insert(id.arg(QContactName::DefinitionName, QContactName::FieldLastName), "last_name");

    contactsTableIdColumNameMapping.insert(id.arg(QContactOrganization::DefinitionName, QContactOrganization::FieldName), "company_name");

    contactsTableIdColumNameMapping.insert(id.arg(QContactName::DefinitionName, QContactName::FieldCustomLabel), "text_fields");

    commAddrTableIdColumNameMapping.insert(id.arg(QContactOnlineAccount::DefinitionName, QContactOnlineAccount::FieldSubTypes), QPair<int,bool>(ESipAddress,true));

    commAddrTableIdColumNameMapping.insert(id.arg(QContactEmailAddress::DefinitionName, QContactEmailAddress::FieldEmailAddress), QPair<int,bool>(EEmailAddress,false));

    commAddrTableIdColumNameMapping.insert(id.arg(QContactPhoneNumber::DefinitionName, QContactPhoneNumber::FieldSubTypes), QPair<int,bool>(EPhoneNumber,true));

}

CntDbInfo::~CntDbInfo()

{

    contactsTableIdColumNameMapping.clear();

    commAddrTableIdColumNameMapping.clear();

}

bool CntDbInfo::SupportsDetail(QString definitionName, QString fieldName)

{

    QString fieldId = QString("%1.%2").arg(definitionName, fieldName);

    if (contactsTableIdColumNameMapping.contains(fieldId))

        return true;

    else if (commAddrTableIdColumNameMapping.contains(fieldId))

        return true;

    else

        return false;

}

/*!

 * Converts filed id to column name of the database table.

 * QContactManager::contacts function.

 *

 * \a fieldId field id representing the detail field name

 * \a sqlDbTableColumnName On return,contains the column name in the database

 */

void CntDbInfo::getDbTableAndColumnName( const QString definitionName,

                                         const QString fieldName,

                                         QString& tableName,

                                         QString& columnName,

                                         bool& isSubType) const

{

    //check contacts table

    QString fieldId = definitionName + "." + fieldName;

    columnName = "";

    tableName = "";

    isSubType = false;

    if (contactsTableIdColumNameMapping.contains(fieldId)){

         columnName = contactsTableIdColumNameMapping.value(fieldId);

         tableName = "contact";

     }

    if (columnName.isEmpty() || tableName.isEmpty()) {

        //Search comm Addr table

        if (commAddrTableIdColumNameMapping.contains(fieldId)) {

            // communication address table has slightly differnt format, so we make the column name as

            //  "type = <type> and value "

            QPair<int,bool> val = commAddrTableIdColumNameMapping.value(fieldId);

            int typeval = val.first;

            isSubType = val.second;

            columnName =  QString(" TYPE = %1").arg(typeval);

            columnName += " and value " ;

            tableName = "comm_addr";

        }

    }

}

QString CntDbInfo::getSortQuery( const QList<QContactSortOrder> &sortOrders,

                                 const QString& selectQuery,

                                 QContactManager::Error* error)

{

    // Set to initial select query

    QString sortQuery =  selectQuery;

    if(*error == QContactManager::NoError)

        {

        QList<QString> list;

        foreach(const QContactSortOrder& s, sortOrders )

            {

            QString tableName;

            QString columnName;

            bool isSubType;

            // Get column names for sort order

            getDbTableAndColumnName(s.detailDefinitionName(), s.detailFieldName(), tableName, columnName, isSubType);

            if (tableName.compare("contact") != 0 || columnName.isEmpty()) {

                // Skip invalid sort clause

                continue;

            }

            else {

                if (s.direction() == Qt::DescendingOrder) {

                    QString col;

                    if (s.caseSensitivity() == Qt::CaseInsensitive)

                        col = ' ' + columnName + ' ' + "COLLATE NOCASE DESC";

                    else

                        col = ' ' + columnName + ' ' + "DESC";

                    list.append(col);

                }

                else {

                    // Default sort order

                    QString col;

                    if(s.caseSensitivity() == Qt::CaseInsensitive)

                    else

                        col= ' ' + columnName + ' ' + "ASC";

                    list.append(col);

                }

            }

        }

        if (list.count() > 0) {

            // Recreate query

            // SELECT DISTINCT contact_id FROM contact WHERE contact_id in (

            //      SELECT ..

            // )  ORDER BY  <field> <order>

            sortQuery = " SELECT DISTINCT contact_id FROM contact WHERE contact_id in (";

            QString clause = " ORDER BY " + list.at(0);

            for (int i = 1; i < list.size(); ++i) {

                clause += " ," + list.at(i);

            }

            sortQuery += selectQuery + ')';

            sortQuery += clause;

        }

    }

    return sortQuery;

}