/*
 * $Id$
 * 
 * This file is part of the Cloud Services Integration Platform (CSIP),
 * 2010-2013, Olaf David and others, Colorado State University.
 *
 * CSIP is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, version 2.1.
 *
 * CSIP 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with OMS.  If not, see <http://www.gnu.org/licenses/lgpl.txt>.
 */
package csip;

import csip.Config.Registry;
import csip.utils.JSONUtils;
import csip.utils.Services;

import javax.ws.rs.*;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.UriInfo;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;

/**
 * Catalog service
 *
 * @author wlloyd,od
 */
@Path("")
public class CatalogService {

    @GET
    @Produces(MediaType.TEXT_PLAIN)
    public String getTextCatalog(@Context UriInfo uriInfo) {
        return getJSONCatalog(uriInfo);
    }


    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public String getJSONCatalog(@Context UriInfo uriInfo) {
        JSONArray o = new JSONArray();
        try {
            Registry r = Config.registry();
            String host = Services.toPublicURL(uriInfo.getRequestUri()).toString();
            for (Class<?> c : r.getServices()) {
                JSONObject m = new JSONObject();
                String url = host + "/" + r.getServicePath(c);
                m.put(ModelDataService.KEY_NAME, r.getServiceName(c));
                m.put(ModelDataService.KEY_DESC, r.getServiceDescription(c));
                m.put(ModelDataService.KEY_URL, url);
                o.put(m);
            }
            return o.toString(2).replace("\\/", "/");
        } catch (JSONException ex) {
            o.put(JSONUtils.error(ex.getMessage()));
        }
        return o.toString().replace("\\/", "/");
    }
}