/**
 * Copyright (c) 2013-2024 Nikita Koksharov
 *
 * 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.redisson.spring.data.connection;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;

import org.redisson.client.RedisConnection;
import org.redisson.client.codec.StringCodec;
import org.redisson.client.protocol.RedisCommands;
import org.springframework.data.redis.connection.NamedNode;
import org.springframework.data.redis.connection.RedisSentinelConnection;
import org.springframework.data.redis.connection.RedisServer;
import org.springframework.data.redis.connection.convert.Converters;

/**
 * 
 * @author Nikita Koksharov
 *
 */
public class RedissonSentinelConnection implements RedisSentinelConnection {

    private final RedisConnection connection;
    
    public RedissonSentinelConnection(RedisConnection connection) {
        this.connection = connection;
    }

    @Override
    public void failover(NamedNode master) {
        connection.sync(RedisCommands.SENTINEL_FAILOVER, master.getName());
    }

    private static List<RedisServer> toRedisServersList(List<Map<String, String>> source) {
        List<RedisServer> servers = new ArrayList<RedisServer>(source.size());
        for (Map<String, String> info : source) {
            servers.add(RedisServer.newServerFrom(Converters.toProperties(info)));
        }
        return servers;
    }
    
    @Override
    public Collection<RedisServer> masters() {
        List<Map<String, String>> masters = connection.sync(StringCodec.INSTANCE, RedisCommands.SENTINEL_MASTERS);
        return toRedisServersList(masters);
    }

    @Override
    public Collection<RedisServer> replicas(NamedNode master) {
        List<Map<String, String>> slaves = connection.sync(StringCodec.INSTANCE, RedisCommands.SENTINEL_SLAVES, master.getName());
        return toRedisServersList(slaves);
    }

    @Override
    public void remove(NamedNode master) {
        connection.sync(RedisCommands.SENTINEL_REMOVE, master.getName());
    }

    @Override
    public void monitor(RedisServer master) {
        connection.sync(RedisCommands.SENTINEL_MONITOR, master.getName(), master.getHost(), 
                                    master.getPort().intValue(), master.getQuorum().intValue());
    }

    @Override
    public void close() throws IOException {
        connection.closeAsync();
    }

    @Override
    public boolean isOpen() {
        return !connection.isClosed();
    }

}
