package org.simantics.maps.prefs;

import java.util.Arrays;
import java.util.List;

import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
import org.osgi.service.prefs.BackingStoreException;
import org.osgi.service.prefs.Preferences;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class MapsClientPreferenceInitializer extends AbstractPreferenceInitializer {

    private static final Logger LOGGER = LoggerFactory.getLogger(MapsClientPreferenceInitializer.class);

    public MapsClientPreferenceInitializer() {
    }

    @Override
    public void initializeDefaultPreferences() {
        Preferences node = MapsClientPreferences.getPreferences();

        try {
            String[] keys = node.keys();
            List<String> keyss = Arrays.asList(keys);
            if (!keyss.contains(MapsClientPreferences.P_TILESERVER_URL) && node.get(MapsClientPreferences.P_TILESERVER_URL, "").isEmpty()) {
                String possibleBuiltin = MapsClientPreferences.possibleBuiltinServerURL();
                if (possibleBuiltin == null)
                    possibleBuiltin = "";
                node.put(MapsClientPreferences.P_TILESERVER_URL, possibleBuiltin);
            }
        } catch (BackingStoreException e) {
            LOGGER.error("Could not get keys for node {}", node, e);
        }
    }
}