package org.simantics.maps.prefs;

import java.net.MalformedURLException;
import java.net.URL;

import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.IEclipsePreferences.IPreferenceChangeListener;
import org.eclipse.core.runtime.preferences.InstanceScope;

public class MapsClientPreferences {

    public static final String P_NODE = "org.simantics.district.maps";
    
    public static final String P_TILESERVER_URL = "org.simantics.district.maps.prefs.tileserverURL";
    public static final String P_USE_BUILTIN = "org.simantics.district.maps.prefs.tileserverURL";
    
    // TODO: fix this, currently copied from MapsServerPreferences
    public static final String P_DEFAULT_PORT = "org.simantics.maps.server.defaultPort";
    public static final String P_CURRENT_MBTILES = "org.simantics.maps.server.currentMbTiles";
    public static final String P_CURRENT_TM2STYLE = "org.simantics.maps.server.currentTM2Style";
    public static final String P_SERVER_NODE = "org.simantics.maps.server";
    
    public static IEclipsePreferences getServerPreferences() {
        return InstanceScope.INSTANCE.getNode(P_SERVER_NODE);
    }
    
    public static IEclipsePreferences getPreferences() {
        return InstanceScope.INSTANCE.getNode(P_NODE);
    }
    
    public static String tileserverURL() {
        return getPreferences().get(P_TILESERVER_URL, "");
    }

    public static boolean useBuiltinServer() {
        return getPreferences().getBoolean(P_USE_BUILTIN, true);
    }
    
    public static String possibleBuiltinServerURL() {
        int port = getServerPreferences().getInt(P_DEFAULT_PORT, 8585);
        String style = getServerPreferences().get(P_CURRENT_TM2STYLE, "mapbox-studio-osm-bright.tm2");
        if (port != -1 && style != null) {
            try {
                return new URL("http", "localhost", port, "/" + style).toString();
            } catch (MalformedURLException e) {
                throw new RuntimeException(e);
            }
        }
        return null;
    }

    public static void addPreferenceChangeListenerMapsServer(IPreferenceChangeListener listener) {
        getServerPreferences().addPreferenceChangeListener(listener);
    }

    public static void removePreferenceChangeListenerMapsServer(IPreferenceChangeListener listener) {
        getServerPreferences().removePreferenceChangeListener(listener);
    }

}