/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you 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.elasticsearch.rest.action.cat;

import com.carrotsearch.hppc.cursors.ObjectObjectCursor;
import org.elasticsearch.action.admin.cluster.node.info.NodeInfo;
import org.elasticsearch.action.admin.cluster.node.info.NodesInfoRequest;
import org.elasticsearch.action.admin.cluster.node.info.NodesInfoResponse;
import org.elasticsearch.action.admin.cluster.node.stats.NodesStatsRequest;
import org.elasticsearch.action.admin.cluster.node.stats.NodesStatsResponse;
import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.Table;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.rest.RestChannel;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.action.support.RestActionListener;
import org.elasticsearch.rest.action.support.RestResponseListener;
import org.elasticsearch.rest.action.support.RestTable;

import static org.elasticsearch.rest.RestRequest.Method.GET;

public class RestNodeAttrsAction extends AbstractCatAction {

    @Inject
    public RestNodeAttrsAction(Settings settings, RestController controller, Client client) {
        super(settings, controller, client);
        controller.registerHandler(GET, "/_cat/nodeattrs", this);
    }

    @Override
    protected void documentation(StringBuilder sb) {
        sb.append("/_cat/nodeattrs\n");
    }

    @Override
    public void doRequest(final RestRequest request, final RestChannel channel, final Client client) {
        final ClusterStateRequest clusterStateRequest = new ClusterStateRequest();
        clusterStateRequest.clear().nodes(true);
        clusterStateRequest.local(request.paramAsBoolean("local", clusterStateRequest.local()));
        clusterStateRequest.masterNodeTimeout(request.paramAsTime("master_timeout", clusterStateRequest.masterNodeTimeout()));

        client.admin().cluster().state(clusterStateRequest, new RestActionListener<ClusterStateResponse>(channel) {
            @Override
            public void processResponse(final ClusterStateResponse clusterStateResponse) {
                NodesInfoRequest nodesInfoRequest = new NodesInfoRequest();
                nodesInfoRequest.clear().jvm(false).os(false).process(true);
                client.admin().cluster().nodesInfo(nodesInfoRequest, new RestActionListener<NodesInfoResponse>(channel) {
                    @Override
                    public void processResponse(final NodesInfoResponse nodesInfoResponse) {
                        NodesStatsRequest nodesStatsRequest = new NodesStatsRequest();
                        nodesStatsRequest.clear().jvm(false).os(false).fs(false).indices(false).process(false);
                        client.admin().cluster().nodesStats(nodesStatsRequest, new RestResponseListener<NodesStatsResponse>(channel) {
                            @Override
                            public RestResponse buildResponse(NodesStatsResponse nodesStatsResponse) throws Exception {
                                return RestTable.buildResponse(buildTable(request, clusterStateResponse, nodesInfoResponse, nodesStatsResponse), channel);
                            }
                        });
                    }
                });
            }
        });
    }

    @Override
    protected Table getTableWithHeader(final RestRequest request) {
        Table table = new Table();
        table.startHeaders();
        table.addCell("node", "default:true;alias:name;desc:node name");
        table.addCell("id",   "default:false;alias:id,nodeId;desc:unique node id");
        table.addCell("pid",  "default:false;alias:p;desc:process id");
        table.addCell("host", "alias:h;desc:host name");
        table.addCell("ip",   "alias:i;desc:ip address");
        table.addCell("port", "default:false;alias:po;desc:bound transport port");
        table.addCell("attr", "default:true;alias:attr.name;desc:attribute description");
        table.addCell("value","default:true;alias:attr.value;desc:attribute value");
        table.endHeaders();
        return table;
    }

    private Table buildTable(RestRequest req, ClusterStateResponse state, NodesInfoResponse nodesInfo, NodesStatsResponse nodesStats) {
        boolean fullId = req.paramAsBoolean("full_id", false);

        DiscoveryNodes nodes = state.getState().nodes();
        Table table = getTableWithHeader(req);

        for (DiscoveryNode node : nodes) {
            NodeInfo info = nodesInfo.getNodesMap().get(node.id());
            for(ObjectObjectCursor<String, String> att : node.attributes()) {
                table.startRow();
                table.addCell(node.name());
                table.addCell(fullId ? node.id() : Strings.substring(node.getId(), 0, 4));
                table.addCell(info == null ? null : info.getProcess().getId());
                table.addCell(node.getHostName());
                table.addCell(node.getHostAddress());
                if (node.address() instanceof InetSocketTransportAddress) {
                    table.addCell(((InetSocketTransportAddress) node.address()).address().getPort());
                } else {
                    table.addCell("-");
                }
                table.addCell(att.key);
                table.addCell(att.value);
                table.endRow();
            }
        }
        return table;
    }
}

@@ -1103,161 +1103,8 @@
 se;%0A
-import org.elasticsearch.action.admin.cluster.node.stats.NodesStatsRequest;%0Aimport org.elasticsearch.action.admin.cluster.node.stats.NodesStatsResponse;%0A
 impo
@@ -3405,489 +3405,34 @@
 Rest
-ActionListener%3CNodesInfoResponse%3E(channel) %7B%0A                    @Override%0A                    public void processResponse(final NodesInfoResponse nodesInfoResponse) %7B%0A                        NodesStatsRequest nodesStatsRequest = new NodesStatsRequest();%0A                        nodesStatsRequest.clear().jvm(false).os(false).fs(false).indices(false).process(false);%0A                        client.admin().cluster().nodesStats(nodesStatsRequest, new RestResponseListener%3CNodesStats
+ResponseListener%3CNodesInfo
 Resp
@@ -3464,32 +3464,24 @@
             
-        
 @Override%0A  
@@ -3494,32 +3494,24 @@
             
-    
-    
 public RestR
@@ -3533,29 +3533,28 @@
 sponse(Nodes
-Stats
+Info
 Response nod
@@ -3551,29 +3551,28 @@
 sponse nodes
-Stats
+Info
 Response) th
@@ -3588,24 +3588,16 @@
 ption %7B%0A
-        
         
@@ -3706,96 +3706,18 @@
 onse
-, nodesStatsResponse), channel);%0A                            %7D%0A                        %7D
+), channel
 );%0A 
@@ -4701,39 +4701,8 @@
 Info
-, NodesStatsResponse nodesStats
 ) %7B%0A

remove unnecessary nodes stats call