/*
 * Copyright 2013-2015 the original author or authors.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.schildbach.pte;

import java.io.IOException;
import java.util.EnumSet;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.google.common.base.Charsets;

import de.schildbach.pte.dto.Line;
import de.schildbach.pte.dto.Location;
import de.schildbach.pte.dto.LocationType;
import de.schildbach.pte.dto.NearbyLocationsResult;
import de.schildbach.pte.dto.Product;

/**
 * Jesuralem? JET = Jerusalem Eternal Tours?
 * 
 * @author Andreas Schildbach
 */
public class JetProvider extends AbstractHafasProvider {
    private static final String API_BASE = "http://planner.jet.org.il/bin/";
    private static final Product[] PRODUCTS_MAP = { null, null, Product.TRAM, Product.BUS };

    public JetProvider() {
        super(NetworkId.JET, API_BASE, "yn", PRODUCTS_MAP);

        setJsonGetStopsEncoding(Charsets.UTF_8);
        setJsonNearbyLocationsEncoding(Charsets.UTF_8);
    }

    @Override
    public NearbyLocationsResult queryNearbyLocations(final EnumSet<LocationType> types, final Location location,
            final int maxDistance, final int maxLocations) throws IOException {
        if (location.hasLocation()) {
            return nearbyLocationsByCoordinate(types, location.lat, location.lon, maxDistance, maxLocations);
        } else if (location.type == LocationType.STATION && location.hasId()) {
            final StringBuilder uri = new StringBuilder(stationBoardEndpoint);
            uri.append("?near=Anzeigen");
            uri.append("&distance=").append(maxDistance != 0 ? maxDistance / 1000 : 50);
            uri.append("&input=").append(normalizeStationId(location.id));

            return htmlNearbyStations(uri.toString());
        } else {
            throw new IllegalArgumentException("cannot handle: " + location);
        }
    }

    @Override
    protected String[] splitAddress(final String address) {
        final Matcher m = P_SPLIT_NAME_FIRST_COMMA.matcher(address);
        if (m.matches())
            return new String[] { m.group(1), m.group(2) };

        return super.splitStationName(address);
    }

    private static final Pattern P_NORMALIZE_BUS = Pattern.compile("([א]?\\d{1,3})#");

    @Override
    protected Line parseLineAndType(final String lineAndType) {
        if ("רק1#".equals(lineAndType))
            return newLine(Product.TRAM, "רק1", null);

        if ("א 11#".equals(lineAndType) || "11א#".equals(lineAndType))
            return newLine(Product.BUS, "א11", null);

        final Matcher mBus = P_NORMALIZE_BUS.matcher(lineAndType);
        if (mBus.matches())
            return newLine(Product.BUS, mBus.group(1), null);

        throw new IllegalStateException("cannot normalize line#type '" + lineAndType + "'");
    }
}