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/*
 * #%L
 * Wildfly Camel :: Testsuite
 * %%
 * Copyright (C) 2013 - 2014 RedHat
 * %%
 * 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.
 * #L%
 */

package org.wildfly.camel.test.file;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.nio.file.Paths;

import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.impl.DefaultCamelContext;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.spec.JavaArchive;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.wildfly.extension.camel.CamelAware;

@CamelAware
@RunWith(Arquillian.class)
public class FileIntegrationTest {

    @Deployment
    public static JavaArchive createdeployment() throws IOException {
        final JavaArchive archive = ShrinkWrap.create(JavaArchive.class, "camel-file-tests");
        return archive;
    }

    @Test
    public void testFileEndpoint() throws Exception {
        final String datadir = System.getProperty("jboss.server.data.dir");
        Assert.assertNotNull("Directory name not nul", datadir);

        CamelContext camelctx = new DefaultCamelContext();
        camelctx.addRoutes(new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:start").transform(body().prepend("Hello ")).
                to("file:" + datadir + "?fileName=camel-file.txt");
            }
        });

        camelctx.start();
        try {
            ProducerTemplate producer = camelctx.createProducerTemplate();
            String result = producer.requestBody("direct:start", "Kermit", String.class);
            Assert.assertEquals("Hello Kermit", result);
        } finally {
            camelctx.stop();
        }

        BufferedReader br = new BufferedReader(new FileReader(Paths.get(datadir, "camel-file.txt").toFile()));
        Assert.assertEquals("Hello Kermit", br.readLine());
        br.close();
    }

    @Test
    public void testFileIdempotentConsumer() throws Exception {
        final String datadir = System.getProperty("jboss.server.data.dir");
        Assert.assertNotNull("Directory name not nul", datadir);

        final String fileEndpointUri = "file://" + datadir;

        CamelContext camelctx = new DefaultCamelContext();
        camelctx.addRoutes(new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from(fileEndpointUri + "?noop=true&idempotent=true&delay=10")
                .to("mock:result");
            }
        });

        camelctx.start();
        try {
            MockEndpoint mockEndpoint = camelctx.getEndpoint("mock:result", MockEndpoint.class);
            mockEndpoint.expectedMessageCount(1);

            ProducerTemplate template = camelctx.createProducerTemplate();
            template.sendBodyAndHeader(fileEndpointUri, "Testing idempotency", Exchange.FILE_NAME, "idempotent-test.txt");

            // Give the file consumer a chance to run multiple times
            Thread.sleep(300);

            mockEndpoint.assertIsSatisfied();
        } finally {
            camelctx.stop();
        }
    }
}