//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2011      Dennis Nienhüser <nienhueser@kde.org>
// Copyright 2013      Bernhard Beschow  <bbeschow@cs.tu-berlin.de>
//

#include "DatabaseQuery.h"

#include "GeoDataLatLonBox.h"
#include "MarbleModel.h"
#include "PositionTracking.h"

#include <QMap>

namespace Marble
{

DatabaseQuery::DatabaseQuery( const MarbleModel* model, const QString &searchTerm, const GeoDataLatLonBox &preferred ) :
    m_queryType( BroadSearch ), m_resultFormat( AddressFormat ), m_searchTerm( searchTerm.trimmed() ),
    m_category( OsmPlacemark::UnknownCategory )
{
    if ( model && model->positionTracking()->status() == PositionProviderStatusAvailable ) {
        m_position = model->positionTracking()->currentLocation();
        m_resultFormat = DistanceFormat;
    } else if ( !preferred.isEmpty() ) {
        m_position = preferred.center();
        m_resultFormat = AddressFormat;
    } else {
        m_resultFormat = AddressFormat;
    }

    QStringList terms = m_searchTerm.split(QLatin1Char(','), QString::SkipEmptyParts );

    QRegExp streetAndHouse( "^(.*)\\s+(\\d+\\D?)$" );
    if ( streetAndHouse.indexIn( terms.first() ) != -1 ) {
        if ( streetAndHouse.capturedTexts().size() == 3 ) {
            terms.removeFirst();
            terms.push_front( streetAndHouse.capturedTexts().at( 1 ) );
            terms.push_front( streetAndHouse.capturedTexts().at( 2 ) );
        }
    }

    Q_ASSERT( terms.size() > 0 );
    if ( terms.size() == 1 ) {
        m_queryType = isPointOfInterest( m_searchTerm ) ? CategorySearch : BroadSearch;
    } else if ( terms.size() == 2 ) {
        m_street = terms.first().trimmed();
        m_region = terms.last().trimmed();
        m_queryType = isPointOfInterest( m_street ) ? CategorySearch : AddressSearch;
    } else {
        m_houseNumber = terms.first().trimmed();
        m_street = terms.at( 1 ).trimmed();
        m_region = terms.last().trimmed(); // skips 2, 3, ..., if any
        m_queryType = AddressSearch;
    }
}

bool DatabaseQuery::isPointOfInterest( const QString &category )
{
    static QMap<QString, OsmPlacemark::OsmCategory> pois;
    if ( pois.isEmpty() ) {
        pois[QObject::tr( "pois").toLower()] = OsmPlacemark::UnknownCategory;
        pois["pois"] = OsmPlacemark::UnknownCategory;
        pois[QObject::tr( "camping" ).toLower()] = OsmPlacemark::AccomodationCamping;
        pois["camping"] = OsmPlacemark::AccomodationCamping;
        pois[QObject::tr( "hostel" ).toLower()] = OsmPlacemark::AccomodationHostel;
        pois["hostel"] = OsmPlacemark::AccomodationHostel;
        pois[QObject::tr( "hotel" ).toLower()] = OsmPlacemark::AccomodationHotel;
        pois["hotel"] = OsmPlacemark::AccomodationHotel;
        pois[QObject::tr( "motel" ).toLower()] = OsmPlacemark::AccomodationMotel;
        pois["motel"] = OsmPlacemark::AccomodationMotel;
        pois[QObject::tr( "youth hostel" ).toLower()] = OsmPlacemark::AccomodationYouthHostel;
        pois["youth hostel"] = OsmPlacemark::AccomodationYouthHostel;
        pois[QObject::tr( "library" ).toLower()] = OsmPlacemark::AmenityLibrary;
        pois["library"] = OsmPlacemark::AmenityLibrary;
        pois[QObject::tr( "college" ).toLower()] = OsmPlacemark::EducationCollege;
        pois["college"] = OsmPlacemark::EducationCollege;
        pois[QObject::tr( "school" ).toLower()] = OsmPlacemark::EducationSchool;
        pois["school"] = OsmPlacemark::EducationSchool;
        pois[QObject::tr( "university" ).toLower()] = OsmPlacemark::EducationUniversity;
        pois["university"] = OsmPlacemark::EducationUniversity;
        pois[QObject::tr( "bar" ).toLower()] = OsmPlacemark::FoodBar;
        pois["bar"] = OsmPlacemark::FoodBar;
        pois[QObject::tr( "biergarten" ).toLower()] = OsmPlacemark::FoodBiergarten;
        pois["biergarten"] = OsmPlacemark::FoodBiergarten;
        pois[QObject::tr( "cafe" ).toLower()] = OsmPlacemark::FoodCafe;
        pois["cafe"] = OsmPlacemark::FoodCafe;
        pois[QObject::tr( "fast food" ).toLower()] = OsmPlacemark::FoodFastFood;
        pois["fast food"] = OsmPlacemark::FoodFastFood;
        pois[QObject::tr( "pub" ).toLower()] = OsmPlacemark::FoodPub;
        pois["pub"] = OsmPlacemark::FoodPub;
        pois[QObject::tr( "restaurant" ).toLower()] = OsmPlacemark::FoodRestaurant;
        pois["restaurant"] = OsmPlacemark::FoodRestaurant;
        pois[QObject::tr( "doctor" ).toLower()] = OsmPlacemark::HealthDoctors;
        pois["doctor"] = OsmPlacemark::HealthDoctors;
        pois[QObject::tr( "hospital" ).toLower()] = OsmPlacemark::HealthHospital;
        pois["hospital"] = OsmPlacemark::HealthHospital;
        pois[QObject::tr( "pharmacy" ).toLower()] = OsmPlacemark::HealthPharmacy;
        pois["pharmacy"] = OsmPlacemark::HealthPharmacy;
        pois[QObject::tr( "bank" ).toLower()] = OsmPlacemark::MoneyBank;
        pois["bank"] = OsmPlacemark::MoneyBank;
        pois[QObject::tr( "beverages" ).toLower()] = OsmPlacemark::ShoppingBeverages;
        pois["beverages"] = OsmPlacemark::ShoppingBeverages;
        pois[QObject::tr( "hifi" ).toLower()] = OsmPlacemark::ShoppingHifi;
        pois["hifi"] = OsmPlacemark::ShoppingHifi;
        pois[QObject::tr( "supermarket" ).toLower()] = OsmPlacemark::ShoppingSupermarket;
        pois["supermarket"] = OsmPlacemark::ShoppingSupermarket;
        pois[QObject::tr( "attraction" ).toLower()] = OsmPlacemark::TouristAttraction;
        pois["attraction"] = OsmPlacemark::TouristAttraction;
        pois[QObject::tr( "castle" ).toLower()] = OsmPlacemark::TouristCastle;
        pois["castle"] = OsmPlacemark::TouristCastle;
        pois[QObject::tr( "cinema" ).toLower()] = OsmPlacemark::TouristCinema;
        pois["cinema"] = OsmPlacemark::TouristCinema;
        pois[QObject::tr( "monument" ).toLower()] = OsmPlacemark::TouristMonument;
        pois["monument"] = OsmPlacemark::TouristMonument;
        pois[QObject::tr( "museum" ).toLower()] = OsmPlacemark::TouristMuseum;
        pois["museum"] = OsmPlacemark::TouristMuseum;
        pois[QObject::tr( "ruin" ).toLower()] = OsmPlacemark::TouristRuin;
        pois["ruin"] = OsmPlacemark::TouristRuin;
        pois[QObject::tr( "theatre" ).toLower()] = OsmPlacemark::TouristTheatre;
        pois["theatre"] = OsmPlacemark::TouristTheatre;
        pois[QObject::tr( "theme park" ).toLower()] = OsmPlacemark::TouristThemePark;
        pois["theme park"] = OsmPlacemark::TouristThemePark;
        pois[QObject::tr( "view point" ).toLower()] = OsmPlacemark::TouristViewPoint;
        pois["view point"] = OsmPlacemark::TouristViewPoint;
        pois[QObject::tr( "zoo" ).toLower()] = OsmPlacemark::TouristZoo;
        pois["zoo"] = OsmPlacemark::TouristZoo;
        pois[QObject::tr( "airport" ).toLower()] = OsmPlacemark::TransportAirportTerminal;
        pois["airport"] = OsmPlacemark::TransportAirportTerminal;
        pois[QObject::tr( "bus station" ).toLower()] = OsmPlacemark::TransportBusStation;
        pois["bus station"] = OsmPlacemark::TransportBusStation;
        pois[QObject::tr( "bus stop" ).toLower()] = OsmPlacemark::TransportBusStop;
        pois["bus stop"] = OsmPlacemark::TransportBusStop;
        pois[QObject::tr( "car share" ).toLower()] = OsmPlacemark::TransportCarShare;
        pois["car share"] = OsmPlacemark::TransportCarShare;
        pois[QObject::tr( "fuel" ).toLower()] = OsmPlacemark::TransportFuel;
        pois["fuel"] = OsmPlacemark::TransportFuel;
        pois[QObject::tr( "parking" ).toLower()] = OsmPlacemark::TransportParking;
        pois["parking"] = OsmPlacemark::TransportParking;
        pois[QObject::tr( "train station" ).toLower()] = OsmPlacemark::TransportTrainStation;
        pois["train station"] = OsmPlacemark::TransportTrainStation;
        pois[QObject::tr( "atm" ).toLower()] = OsmPlacemark::MoneyAtm;
        pois["atm"] = OsmPlacemark::MoneyAtm;
        pois[QObject::tr( "tram stop" ).toLower()] = OsmPlacemark::TransportTramStop;
        pois["tram stop"] = OsmPlacemark::TransportTramStop;
        pois[QObject::tr( "bicycle rental" ).toLower()] = OsmPlacemark::TransportRentalBicycle;
        pois["bicycle rental"] = OsmPlacemark::TransportRentalBicycle;
        pois[QObject::tr( "car rental" ).toLower()] = OsmPlacemark::TransportRentalCar;
        pois["car rental"] = OsmPlacemark::TransportRentalCar;
        pois[QObject::tr( "speed camera" ).toLower()] = OsmPlacemark::TransportSpeedCamera;
        pois["speed camera"] = OsmPlacemark::TransportSpeedCamera;
        pois[QObject::tr( "taxi" ).toLower()] = OsmPlacemark::TransportTaxiRank;
        pois["taxi"] = OsmPlacemark::TransportTaxiRank;
    }

    Q_ASSERT( !pois.isEmpty() );
    QString const searchTerm = category.toLower();
    if ( pois.contains( searchTerm ) ) {
        m_category = pois[searchTerm];
        return true;
    }

    m_category = OsmPlacemark::UnknownCategory;
    return false;
}

OsmPlacemark::OsmCategory DatabaseQuery::category() const
{
    return m_category;
}

DatabaseQuery::QueryType DatabaseQuery::queryType() const
{
    return m_queryType;
}

DatabaseQuery::ResultFormat DatabaseQuery::resultFormat() const
{
    return m_resultFormat;
}

QString DatabaseQuery::street() const
{
    return m_street;
}

QString DatabaseQuery::houseNumber() const
{
    return m_houseNumber;
}

QString DatabaseQuery::region() const
{
    return m_region;
}

QString DatabaseQuery::searchTerm() const
{
    return m_searchTerm;
}

GeoDataCoordinates DatabaseQuery::position() const
{
    return m_position;
}

}
