/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.camel.component.file.remote.integration;

import java.io.File;
import java.util.concurrent.TimeUnit;

import org.apache.camel.Exchange;
import org.apache.camel.PollingConsumer;
import org.junit.jupiter.api.Test;

import static org.awaitility.Awaitility.await;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 *
 */
public class FtpPollingConsumerIT extends FtpServerTestSupport {

    private String getFtpUrl() {
        return "ftp://admin@localhost:{{ftp.server.port}}/polling?password=admin";
    }

    @Test
    public void testPollingConsumer() throws Exception {
        template.sendBodyAndHeader(getFtpUrl(), "Hello World", Exchange.FILE_NAME, "hello.txt");

        try (PollingConsumer consumer = context.getEndpoint(getFtpUrl()).createPollingConsumer()) {
            consumer.start();
            Exchange exchange = consumer.receive(5000);
            assertNotNull(exchange);
            assertEquals("Hello World", exchange.getIn().getBody(String.class));

            // sleep a bit to ensure polling consumer would be suspended after we
            // have used it
            Thread.sleep(1000);

            // drop a new file which should not be picked up by the consumer
            template.sendBodyAndHeader(getFtpUrl(), "Bye World", Exchange.FILE_NAME, "bye.txt");

            // sleep a bit to ensure polling consumer would not have picked up that
            // file
            File file = service.ftpFile("polling/bye.txt").toFile();
            await().atMost(1, TimeUnit.SECONDS)
                    .untilAsserted(() -> assertTrue(file.exists(), "File should exist " + file));
            consumer.stop();
        }

    }

}
