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/*
 * Copyright 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 .
 */

package de.schildbach.pte;

import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.annotation.Nullable;

import com.google.common.base.Strings;

import de.schildbach.pte.dto.Line;
import de.schildbach.pte.dto.Position;
import de.schildbach.pte.dto.Product;

import okhttp3.HttpUrl;

/**
 * @author Andreas Schildbach
 */
public class MerseyProvider extends AbstractEfaProvider {
    private static final HttpUrl API_BASE = HttpUrl.parse("https://jp.merseytravel.gov.uk/nwm/");

    public MerseyProvider() {
        super(NetworkId.MERSEY, API_BASE);
        setLanguage("en");
        setTimeZone("Europe/London");
        setSessionCookieName("NSC_JOcrlgwob0srnjmdokl3avefk4bsneM");
    }

    @Override
    public Set defaultProducts() {
        return Product.ALL;
    }

    @Override
    protected Line parseLine(final @Nullable String id, final @Nullable String network, final @Nullable String mot,
            final @Nullable String symbol, final @Nullable String name, final @Nullable String longName,
            final @Nullable String trainType, final @Nullable String trainNum, final @Nullable String trainName) {
        if ("13".equals(mot)) {
            if ("OO".equals(trainType) || "Ordinary passenger (o.pas.)".equals(trainName))
                return new Line(id, network, Product.REGIONAL_TRAIN, "OO" + Strings.nullToEmpty(trainNum));
        }

        return super.parseLine(id, network, mot, symbol, name, longName, trainType, trainNum, trainName);
    }

    private static final Pattern P_POSITION_BOUND = Pattern.compile("([NESW]+)-bound", Pattern.CASE_INSENSITIVE);

    @Override
    protected Position parsePosition(final String position) {
        if (position == null)
            return null;

        final Matcher m = P_POSITION_BOUND.matcher(position);
        if (m.matches())
            return new Position(m.group(1));

        return super.parsePosition(position);
    }
}