/*
 * Copyright 2016 Code Above Lab LLC
 *
 * 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 com.codeabovelab.dm.cluman.ds.swarm;

import lombok.ToString;
import org.springframework.util.StringUtils;

import java.util.List;

/**
 * Function which create swarm discovery url
 */
public interface SwarmDiscoveryUrlFunction {

    @ToString
    final class Etcd implements SwarmDiscoveryUrlFunction {

        private final String etcds;

        public Etcd(List<String> etcdAddreses) {
            this.etcds = StringUtils.collectionToCommaDelimitedString(etcdAddreses);
        }

        @Override
        public String supply(SwarmProcesses.SwarmProcess proc) {
            return "etcd://" + this.etcds + "/discovery/" + proc.getCluster();
        }
    }

    String supply(SwarmProcesses.SwarmProcess proc);
}
