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/*
 * Copyright (C) 2016~2018 dinstone
 *
 * 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.dinstone.vertx.starter;

import java.util.concurrent.CompletableFuture;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import io.vertx.core.DeploymentOptions;
import io.vertx.core.Verticle;
import io.vertx.core.Vertx;
import io.vertx.core.VertxOptions;
import io.vertx.core.spi.VerticleFactory;

public final class VertxHelper {

    private static final Logger LOG = LoggerFactory.getLogger(VertxHelper.class);

    public static Vertx createVertx(VertxOptions vertxOptions) throws Exception {
        CompletableFuture future = new CompletableFuture<>();
        if (vertxOptions.isClustered()) {
            Vertx.clusteredVertx(vertxOptions, asyncResult -> {
                if (asyncResult.succeeded()) {
                    future.complete(asyncResult.result());
                } else {
                    future.completeExceptionally(asyncResult.cause());
                }
            });
        } else {
            future.complete(Vertx.vertx(vertxOptions));
        }

        return future.get();
    }

    public static boolean deployVerticle(Vertx vertx, DeploymentOptions deployOptions, String verticleName)
            throws Exception {
        CompletableFuture future = new CompletableFuture<>();
        vertx.deployVerticle(verticleName, deployOptions, deployResponse -> {
            if (deployResponse.succeeded()) {
                LOG.info("verticle deployment is succeeded, {}:{}", verticleName, deployResponse.result());
                future.complete(true);
            } else {
                LOG.error("verticle deployment is failed, {}:{}", verticleName, deployResponse.cause());
                future.completeExceptionally(deployResponse.cause());
            }
        });

        return future.get();
    }

    public static boolean deployVerticle(Vertx vertx, DeploymentOptions deployOptions, VerticleFactory factory,
            String verticleName) throws Exception {
        vertx.registerVerticleFactory(factory);
        try {
            return deployVerticle(vertx, deployOptions, verticleName);
        } finally {
            vertx.unregisterVerticleFactory(factory);
        }
    }

    public static boolean deployVerticle(Vertx vertx, DeploymentOptions deployOptions, Verticle verticle)
            throws Exception {
        CompletableFuture future = new CompletableFuture<>();
        vertx.deployVerticle(verticle, deployOptions, deployResponse -> {
            if (deployResponse.succeeded()) {
                LOG.info("verticle deployment is succeeded, {}:{}", verticle.getClass().getName(),
                    deployResponse.result());
                future.complete(true);
            } else {
                LOG.error("verticle deployment is failed, {}:{}", verticle.getClass().getName(),
                    deployResponse.cause());
                future.completeExceptionally(deployResponse.cause());
            }
        });

        return future.get();
    }

}