package cgeo.geocaching;

import cgeo.calendar.CalendarAddon;
import cgeo.geocaching.apps.cache.navi.NavigationAppFactory;
import cgeo.geocaching.ui.AbstractUIFactory;

import android.app.Activity;
import android.view.Menu;
import android.view.MenuItem;

/**
 * Shared menu handling for all activities having menu items related to a cache. <br>
 * TODO: replace by a fragment
 * 
 */
public class CacheMenuHandler extends AbstractUIFactory {

    /**
     * Methods to be implemented by the activity to react to the cache menu selections.
     *
     */
    protected interface ActivityInterface {
        public void navigateTo();

        public void showNavigationMenu();

        public void cachesAround();

    }

    public static boolean onMenuItemSelected(MenuItem item, CacheMenuHandler.ActivityInterface activityInterface, Geocache cache) {
        assert activityInterface instanceof Activity;
        final Activity activity = (Activity) activityInterface;
        switch (item.getItemId()) {
            case R.id.menu_default_navigation:
                activityInterface.navigateTo();
                return true;
            case R.id.menu_navigate:
                activityInterface.showNavigationMenu();
                return true;
            case R.id.menu_caches_around:
                activityInterface.cachesAround();
                return true;
            case R.id.menu_show_in_browser:
                cache.openInBrowser(activity);
                return true;
            case R.id.menu_share:
                cache.shareCache(activity, res);
                return true;
            case R.id.menu_calendar:
                CalendarAddon.addToCalendarWithIntent(activity, cache);
                return true;
            default:
                return false;
        }
    }

    public static void onPrepareOptionsMenu(final Menu menu, final Geocache cache) {
        //
        if (cache == null) {
            return;
        }
        final boolean hasCoords = cache.getCoords() != null;
        menu.findItem(R.id.menu_default_navigation).setVisible(hasCoords);
        menu.findItem(R.id.menu_navigate).setVisible(hasCoords);
        menu.findItem(R.id.menu_caches_around).setVisible(hasCoords && cache.supportsCachesAround());
        menu.findItem(R.id.menu_calendar).setVisible(cache.canBeAddedToCalendar());
        menu.findItem(R.id.menu_show_in_browser).setVisible(cache.canOpenInBrowser());

        menu.findItem(R.id.menu_default_navigation).setTitle(NavigationAppFactory.getDefaultNavigationApplication().getName());
    }

    public static void addMenuItems(Activity activity, Menu menu, Geocache cache) {
        activity.getMenuInflater().inflate(R.menu.cache_options, menu);
        onPrepareOptionsMenu(menu, cache);
    }
}