/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.apache.cassandra.tools.nodetool;

import java.io.PrintStream;
import java.util.List;

import io.airlift.airline.Command;

import org.apache.cassandra.tools.NodeProbe;
import org.apache.cassandra.tools.NodeTool.NodeToolCmd;

@Command(name = "reloadseeds", description = "Reload the seed node list from the seed node provider")
public class ReloadSeeds extends NodeToolCmd
{
    @Override
    public void execute(NodeProbe probe)
    {
        PrintStream out = probe.output().out;
        List<String> seedList = probe.reloadSeeds();
        if (seedList == null)
        {
            out.println("Failed to reload the seed node list.");
        }
        else if (seedList.isEmpty())
        {
            out.println("Seed node list does not contain any remote node IPs");
        }
        else
        {
            out.println("Updated seed node IP list, excluding the current node's IP: " + String.join(" ", seedList));
        }
    }
}