/*
 * Copyright 2005-2006 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.servicemix.console;

import org.apache.servicemix.JbiConstants;
import org.apache.servicemix.jbi.audit.AuditorMBean;
import org.apache.servicemix.jbi.jaxp.SourceTransformer;
import org.apache.servicemix.jbi.messaging.MessageExchangeSupport;

import javax.jbi.messaging.MessageExchange;
import javax.jbi.messaging.NormalizedMessage;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.RenderRequest;

import java.net.URI;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;

public class JBIAuditPortlet extends ServiceMixPortlet {
    
    protected int page = 0;

    public static class ExchangeInfo {
        private String id;
        private String date;
        private String mep;
        private String status;
        
        /**
         * @return Returns the dateStamp.
         */
        public String getDate() {
            return date;
        }
        /**
         * @param dateStamp The dateStamp to set.
         */
        public void setDate(String dateStamp) {
            this.date = dateStamp;
        }
        /**
         * @return Returns the status.
         */
        public String getStatus() {
            return status;
        }
        /**
         * @param status The status to set.
         */
        public void setStatus(String status) {
            this.status = status;
        }
        /**
         * @return Returns the id.
         */
        public String getId() {
            return id;
        }
        /**
         * @param id The id to set.
         */
        public void setId(String id) {
            this.id = id;
        }
        /**
         * @return Returns the mep.
         */
        public String getMep() {
            return mep;
        }
        /**
         * @param mep The mep to set.
         */
        public void setMep(String mep) {
            this.mep = mep;
        }
    }
    
    protected void doProcessAction(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception {
        System.err.println(actionRequest.getParameterMap());
        if (actionRequest.getParameter("view") != null) {
            page = Integer.parseInt(actionRequest.getParameter("view"));
        }
    }

    protected void fillViewRequest(RenderRequest request) throws Exception {
        AuditorMBean auditor = getJdbcAuditor();
        int count = auditor.getExchangeCount();
        request.setAttribute("count", new Integer(count));
        request.setAttribute("page", new Integer(page));
        MessageExchange[] exchanges = auditor.getExchanges(page * 10, Math.min((page + 1) * 10, count));
        request.setAttribute("exchanges", prepare(exchanges));
        super.fillViewRequest(request);
    }

    private ExchangeInfo[] prepare(MessageExchange[] exchanges) throws Exception {
        ExchangeInfo[] infos = new ExchangeInfo[exchanges.length];
        for (int i = 0; i < infos.length; i++) {
            infos[i] = new ExchangeInfo();
            infos[i].id = exchanges[i].getExchangeId();
            infos[i].mep = getMep(exchanges[i]);
            infos[i].status = exchanges[i].getStatus().toString();
            Object c = exchanges[i].getProperty(JbiConstants.DATESTAMP_PROPERTY_NAME);
            if (c instanceof Calendar) {
                infos[i].date = DateFormat.getDateTimeInstance().format(((Calendar) c).getTime());
            } else if (c instanceof Date) {
                infos[i].date = DateFormat.getDateTimeInstance().format((Date) c);
            }
        }
        return infos;
    }
    
    private String getMep(MessageExchange exchange) {
        URI uri = exchange.getPattern();
        if (MessageExchangeSupport.IN_ONLY.equals(uri)) {
            return "In Only";
        } else if (MessageExchangeSupport.IN_OPTIONAL_OUT.equals(uri)) {
            return "In Opt Out";
        } else if (MessageExchangeSupport.IN_OUT.equals(uri)) {
            return "In Out";
        } else if (MessageExchangeSupport.ROBUST_IN_ONLY.equals(uri)) {
            return "Robust In Only";
        } else {
            return uri.toString();
        }
    }

    private String prepareContent(NormalizedMessage msg) throws Exception {
        if (msg != null) {
            SourceTransformer st = new SourceTransformer();
            String s = st.contentToString(msg);
            if (s != null && s.length() > 30) {
                return s.substring(0, 30) + "...";
            } else {
                return s;
            }
        } else {
            return null;
        }
    }

}
