/*
 * 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.util.concurrent.TimeUnit;

import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.file.remote.FtpEndpoint;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.commons.net.ftp.FTPClient;
import org.junit.jupiter.api.Test;

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

public class FtpConsumerDisconnectIT extends FtpServerTestSupport {

    private String getFtpUrl() {
        return "ftp://admin@localhost:{{ftp.server.port}}/done?password=admin&disconnect=true&delay=5000";
    }

    @Override
    public void doPostSetup() throws Exception {
        // ask the singleton FtpEndpoint to make use of a custom FTPClient
        // so that we can hold a reference on it inside the test below
        FtpEndpoint<?> endpoint = context.getEndpoint(getFtpUrl(), FtpEndpoint.class);
        endpoint.setFtpClient(new FTPClient());

        sendFile(getFtpUrl(), "Hello World", "claus.txt");
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            @Override
            public void configure() {
                from(getFtpUrl()).to("mock:result");
            }
        };
    }

    @Test
    public void testDisconnectOnDone() throws Exception {
        getMockEndpoint("mock:result").expectedMessageCount(1);
        MockEndpoint.assertIsSatisfied(context);

        // give time for ftp consumer to disconnect, delay is 5000 ms which is
        // long
        // enough to avoid a second poll cycle before we are done with the
        // asserts
        // below inside the main thread
        FtpEndpoint<?> endpoint = context.getEndpoint(getFtpUrl(), FtpEndpoint.class);
        await().atMost(2, TimeUnit.SECONDS)
                .untilAsserted(() -> assertFalse(endpoint.getFtpClient().isConnected(),
                        "The FTPClient should be already disconnected"));
        assertTrue(endpoint.isDisconnect(), "The FtpEndpoint should be configured to disconnect");
    }

}
