/**
 * Copyright (c) 2013 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 com.redhat.rhn.frontend.action.systems;

import com.redhat.rhn.common.db.datasource.DataResult;
import com.redhat.rhn.domain.server.Crash;
import com.redhat.rhn.domain.server.CrashFile;
import com.redhat.rhn.domain.user.User;
import com.redhat.rhn.frontend.dto.SoftwareCrashFileDto;
import com.redhat.rhn.frontend.struts.RequestContext;
import com.redhat.rhn.frontend.struts.RhnAction;
import com.redhat.rhn.frontend.struts.RhnHelper;
import com.redhat.rhn.frontend.taglibs.list.helper.ListHelper;
import com.redhat.rhn.frontend.taglibs.list.helper.Listable;
import com.redhat.rhn.manager.download.DownloadManager;
import com.redhat.rhn.manager.system.CrashManager;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


/**
 * SoftwareCrashesFilesAction
 * @version $Rev$
 */
public class SoftwareCrashesFilesAction extends RhnAction implements Listable {

    public static final String CRASH_ID = "crid";
    public static final String CRASH = "crash";
    public static final String SID = "sid";

    /** {@inheritDoc} */
    public ActionForward execute(ActionMapping mapping,
                                  ActionForm formIn,
                                  HttpServletRequest request,
                                  HttpServletResponse response) {

        RequestContext ctx = new RequestContext(request);
        User user = ctx.getCurrentUser();
        ctx.lookupAndBindServer();
        ctx.copyParamToAttributes(SID);

        Long crashId = ctx.getParamAsLong(CRASH_ID);
        request.setAttribute(CRASH_ID, crashId);

        Crash crash = CrashManager.lookupCrashByUserAndId(user, crashId);
        request.setAttribute(CRASH, crash);

        ListHelper helper = new ListHelper(this, request);
        helper.execute();

        return mapping.findForward(RhnHelper.DEFAULT_FORWARD);
    }

    /** {@inheritDoc} */
    public List getResult(RequestContext contextIn) {
        User user = contextIn.getCurrentUser();
        Long crashId = contextIn.getParamAsLong(CRASH_ID);
        Crash crash = CrashManager.lookupCrashByUserAndId(user, crashId);
        DataResult<SoftwareCrashFileDto> dr = new DataResult<SoftwareCrashFileDto>(
                new ArrayList<SoftwareCrashFileDto>());
        for (Iterator iter = crash.getCrashFiles().iterator(); iter.hasNext();) {
            CrashFile cf = (CrashFile) iter.next();
            SoftwareCrashFileDto scDto = new SoftwareCrashFileDto(cf);
            scDto.setDownloadPath(DownloadManager.getCrashFileDownloadPath(cf,
                    contextIn.getCurrentUser()));
            dr.add(scDto);
        }
        return dr;
    }
}