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/*
 * Copyright the original author or authors.
 *
 * 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.citrusframework.actions;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Stream;

import org.citrusframework.AbstractTestActionBuilder;
import org.citrusframework.context.TestContext;
import org.citrusframework.server.Server;
import org.citrusframework.spi.ReferenceResolver;
import org.citrusframework.spi.ReferenceResolverAware;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Action stopping {@link Server} instances.
 *
 * @since 2006
 */
public class StopServerAction extends AbstractTestAction {
    /** List of servers to stop */
    private final List servers;

    /** Logger */
    private static final Logger logger = LoggerFactory.getLogger(StopServerAction.class);

    /**
     * Default constructor.
     */
    public StopServerAction(Builder builder) {
        super("stop-server", builder);

        this.servers = builder.servers;
    }

    @Override
    public void doExecute(TestContext context) {
        for (Server server : servers) {
            server.stop();
            logger.info("Stopped server: " + server.getName());
        }
    }

    /**
     * Gets the list of servers to stop.
     * @return the list of servers to stop.
     */
    public List getServers() {
        return servers;
    }

    /**
     * Action builder.
     */
    public static final class Builder extends AbstractTestActionBuilder implements ReferenceResolverAware {

        private final List servers = new ArrayList<>();
        private final List serverNames = new ArrayList<>();

        private ReferenceResolver referenceResolver;

        public static Builder stop() {
            return new Builder();
        }

        /**
         * Fluent API action building entry method used in Java DSL.
         * @param servers
         * @return
         */
        public static Builder stop(Server... servers) {
            Builder builder = new Builder();
            Stream.of(servers).forEach(builder::server);
            return builder;
        }

        /**
         * Fluent API action building entry method used in Java DSL.
         * @param server
         * @return
         */
        public static Builder stop(Server server) {
            Builder builder = new Builder();
            builder.server(server);
            return builder;
        }

        /**
         * Fluent API action building entry method used in Java DSL.
         * @param serverNames
         * @return
         */
        public static Builder stop(String... serverNames) {
            Builder builder = new Builder();
            Stream.of(serverNames).forEach(builder::server);
            return builder;
        }

        /**
         * Fluent API action building entry method used in Java DSL.
         * @param server
         * @return
         */
        public static Builder stop(String server) {
            Builder builder = new Builder();
            builder.server(server);
            return builder;
        }

        public Builder server(Server server) {
            this.servers.add(server);
            return this;
        }

        public Builder server(Server... server) {
            return server(Arrays.asList(server));
        }

        public Builder server(List servers) {
            this.servers.addAll(servers);
            return this;
        }

        public Builder server(String server) {
            this.serverNames.add(server);
            return this;
        }

        public Builder server(String... server) {
            return serverNames(Arrays.asList(server));
        }

        public Builder serverNames(List servers) {
            this.serverNames.addAll(servers);
            return this;
        }

        @Override
        public StopServerAction build() {
            if (referenceResolver != null) {
                for (String serverName : serverNames) {
                    server(referenceResolver.resolve(serverName, Server.class));
                }
            }

            return new StopServerAction(this);
        }

        @Override
        public void setReferenceResolver(ReferenceResolver referenceResolver) {
            this.referenceResolver = referenceResolver;
        }
    }
}