/*
 * 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.simulator.paxos;

import java.io.IOException;
import java.util.concurrent.atomic.AtomicInteger;

import org.junit.BeforeClass;

import org.apache.cassandra.config.CassandraRelevantProperties;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.simulator.SimulationRunner;
import org.apache.cassandra.simulator.SimulatorUtils;
import org.apache.cassandra.utils.StorageCompatibilityMode;

import picocli.CommandLine;
import picocli.CommandLine.Command;

@Command(name = "accord",
         description = "Run an Accord simulation",
         subcommands = { CommandLine.HelpCommand.class,
                         AccordSimulationRunner.Run.class,
                         AccordSimulationRunner.Record.class,
                         AccordSimulationRunner.Reconcile.class})
public class AccordSimulationRunner extends SimulationRunner
{
    static
    {
        CassandraRelevantProperties.TEST_STORAGE_COMPATIBILITY_MODE.setString(StorageCompatibilityMode.NONE.toString());
    }

    @BeforeClass
    public static void beforeAll()
    {
        DatabaseDescriptor.clientInitialization();
    }

    @Command(name = "run")
    public static class Run extends SimulationRunner.Run<AccordClusterSimulation.Builder>
    {
        public Run() {}

        @Override
        protected void run(long seed, AccordClusterSimulation.Builder builder) throws IOException
        {
            beforeAll();
            super.run(seed, builder);
        }
    }

    @Command(name = "record")
    public static class Record extends SimulationRunner.Record<AccordClusterSimulation.Builder>
    {
        public Record() {}

        @Override
        protected void run(long seed, AccordClusterSimulation.Builder builder) throws IOException
        {
            beforeAll();
            super.run(seed, builder);
        }
    }

    @Command(name = "reconcile")
    public static class Reconcile extends SimulationRunner.Reconcile<AccordClusterSimulation.Builder>
    {
        public Reconcile() {}

        @Override
        protected void run(long seed, AccordClusterSimulation.Builder builder) throws IOException
        {
            beforeAll();
            super.run(seed, builder);
        }
    }

    // for simple unit tests so we can simply invoke main()
    private static final AtomicInteger uniqueNum = new AtomicInteger();

    private static CommandLine.IFactory simulationFactory()
    {
        return new PaxosSimulationRunner.InjectPaxosClusterSimulationFactory(new AccordClusterSimulation.Builder()
                                                                             .unique(uniqueNum.getAndIncrement()));
    }

    public static void executeWithExceptionThrowing(String[] args)
    {
        SimulatorUtils.executeWithExceptionThrowing(AccordSimulationRunner.class, simulationFactory(), args);
    }

    /**
     * See {@link org.apache.cassandra.simulator} package info for execution tips
     */
    public static void main(String[] args) throws IOException
    {
        System.exit(SimulatorUtils.prepareRunner(AccordSimulationRunner.class, simulationFactory(), null).execute(args));
    }
}
