/*
 * 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.aws2.s3.integration;

import java.io.File;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.TimeUnit;

import org.apache.camel.EndpointInject;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.aws2.s3.AWS2S3Constants;
import org.apache.camel.component.aws2.s3.AWS2S3Operations;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.jupiter.api.Test;
import software.amazon.awssdk.services.s3.model.S3Object;

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;

public class S3StreamUploadMultipartAsyncIT extends Aws2S3Base {

    @EndpointInject
    private ProducerTemplate template;

    @EndpointInject("mock:result")
    private MockEndpoint result;

    @Test
    public void sendIn() throws Exception {
        result.expectedMessageCount(10);
        for (int i = 0; i < 10; i++) {

            final CompletableFuture<Exchange> future = template.asyncSend("direct:stream1", new Processor() {

                @Override
                public void process(Exchange exchange) {
                    exchange.getIn().setHeader(AWS2S3Constants.KEY, "empty.bin");
                    exchange.getIn().setBody(new File("src/test/resources/empty.bin"));
                }
            });

            assertDoesNotThrow(() -> future.get(5, TimeUnit.SECONDS));
        }

        MockEndpoint.assertIsSatisfied(context, 10, TimeUnit.SECONDS);

        Exchange ex = template.request("direct:listObjects", new Processor() {

            @Override
            public void process(Exchange exchange) {
                exchange.getIn().setHeader(AWS2S3Constants.S3_OPERATION, AWS2S3Operations.listObjects);
            }
        });

        // file size: 5,242,880 bytes, 10 * (5 chunks of 1,000,000 + remainder of 242,880)
        List<S3Object> resp = ex.getMessage().getBody(List.class);
        assertEquals(60, resp.size());

        assertEquals(10 * Files.size(Paths.get("src/test/resources/empty.bin")),
                resp.stream().mapToLong(S3Object::size).sum());
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            @Override
            public void configure() {
                String awsEndpoint1
                        = String.format(
                                "aws2-s3://%s?autoCreateBucket=true&streamingUploadMode=true&keyName=fileTest.txt&batchMessageNumber=25&namingStrategy=random",
                                name.get());

                from("direct:stream1").to(awsEndpoint1).to("mock:result");

                String awsEndpoint = String.format("aws2-s3://%s?autoCreateBucket=true",
                        name.get());

                from("direct:listObjects").to(awsEndpoint);
            }
        };
    }
}
