/**
 * Copyright (c) 2009 - 2012 Red Hat, Inc.
 *
 * This software is licensed to you under the GNU General Public License,
 * version 2 (GPLv2). There is NO WARRANTY for this software, express or
 * implied, including the implied warranties of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
 * along with this software; if not, see
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * Red Hat trademarks are not licensed under GPLv2. No permission is
 * granted to use or replicate Red Hat trademarks that are incorporated
 * in this software or its documentation.
 */
package org.candlepin.resource;

import org.candlepin.audit.Event;
import org.candlepin.audit.EventAdapter;
import org.candlepin.common.exceptions.NotFoundException;
import org.candlepin.model.EventCurator;

import com.google.inject.Inject;

import org.xnap.commons.i18n.I18n;

import java.util.LinkedList;
import java.util.List;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiResponse;
import io.swagger.annotations.ApiResponses;
import io.swagger.annotations.Authorization;

/**
 * Candlepin Events Resource
 */
@Path("/events")
@Api(value = "events", authorizations = { @Authorization("basic") })
public class EventResource {

    private EventCurator eventCurator;
    private I18n i18n;
    private EventAdapter eventAdapter;

    @Inject
    public EventResource(EventCurator eventCurator, I18n i18n, EventAdapter eventAdapter) {
        this.eventCurator = eventCurator;
        this.i18n = i18n;
        this.eventAdapter = eventAdapter;
    }

    @ApiOperation(notes = "Retrieves a list of Events", value = "listEvents")
    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public List<Event> listEvents() {
        List<Event> events = eventCurator.listAll().list();

        if (events != null) {
            eventAdapter.addMessageText(events);
        }

        return events;
    }

    @ApiOperation(notes = "Retrieves a single Event", value = "getEvent")
    @ApiResponses({ @ApiResponse(code = 404, message = "") })
    @GET
    @Path("{uuid}")
    @Produces(MediaType.APPLICATION_JSON)
    public Event getEvent(@PathParam("uuid") String uuid) {
        Event toReturn = eventCurator.find(uuid);

        if (toReturn != null) {
            List<Event> events = new LinkedList<Event>();

            events.add(toReturn);
            eventAdapter.addMessageText(events);

            return toReturn;
        }

        throw new NotFoundException(i18n.tr("Event with ID ''{0}'' could not be found.", uuid));
    }
}