/*
 * 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.maven.it;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Date;
import java.util.Deque;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentLinkedDeque;

import org.apache.maven.shared.verifier.Verifier;
import org.apache.maven.shared.verifier.util.ResourceExtractor;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.NetworkConnector;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.junit.jupiter.api.Test;

/**
 * This is a test set for <a href="https://issues.apache.org/jira/browse/MNG-4326">MNG-4326</a>.
 *
 * @author Benjamin Bentmann
 */
public class MavenITmng4326LocalSnapshotSuppressesRemoteCheckTest extends AbstractMavenIntegrationTestCase {

    public MavenITmng4326LocalSnapshotSuppressesRemoteCheckTest() {
        super("[3.0-beta-1,)");
    }

    /**
     * Verify that locally built/installed snapshot artifacts suppress remote update checks (as long as the local copy
     * still satisfies the update policy configured for the remote repository).
     *
     * @throws Exception in case of failure
     */
    @Test
    public void testit() throws Exception {
        File testDir = ResourceExtractor.simpleExtractResources(getClass(), "/mng-4326");

        // setup: install a local snapshot
        Verifier verifier = newVerifier(new File(testDir, "dependency").getAbsolutePath());
        verifier.setAutoclean(false);
        verifier.deleteArtifacts("org.apache.maven.its.mng4326");
        verifier.deleteDirectory("target");
        verifier.addCliArgument("validate");
        verifier.execute();
        verifier.verifyErrorFreeLog();

        final Deque<String> uris = new ConcurrentLinkedDeque<>();

        Handler repoHandler = new AbstractHandler() {
            @Override
            public void handle(
                    String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
                    throws IOException {
                PrintWriter writer = response.getWriter();

                String uri = request.getRequestURI();

                if (uri.startsWith("/repo/org/apache/maven/its/mng4326")
                        && !uri.endsWith(".md5")
                        && !uri.endsWith(".sha1")) {
                    uris.add(uri.substring(34));
                }

                if (uri.endsWith("dep/0.1-SNAPSHOT/maven-metadata.xml")) {
                    java.text.DateFormat fmt = new java.text.SimpleDateFormat("yyyyMMddHHmmss");
                    fmt.setTimeZone(java.util.TimeZone.getTimeZone("UTC"));
                    String now = fmt.format(new Date(System.currentTimeMillis() + 3000));

                    response.setStatus(HttpServletResponse.SC_OK);
                    writer.println("<metadata>");
                    writer.println("  <groupId>org.apache.maven.its.mng4326</groupId>");
                    writer.println("  <artifactId>dep</artifactId>");
                    writer.println("  <version>0.1-SNAPSHOT</version>");
                    writer.println("  <versioning>");
                    writer.println("    <snapshot>");
                    writer.println("      <timestamp>20100329.235556</timestamp>");
                    writer.println("      <buildNumber>1</buildNumber>");
                    writer.println("    </snapshot>");
                    writer.println("    <lastUpdated>" + now + "</lastUpdated>");
                    writer.println("  </versioning>");
                    writer.println("</metadata>");
                } else if (uri.endsWith(".pom")) {
                    response.setStatus(HttpServletResponse.SC_OK);
                    writer.println("<project>");
                    writer.println("  <modelVersion>4.0.0</modelVersion>");
                    writer.println("  <groupId>org.apache.maven.its.mng4326</groupId>");
                    writer.println("  <artifactId>dep</artifactId>");
                    writer.println("  <version>0.1-SNAPSHOT</version>");
                    writer.println("</project>");
                } else if (uri.endsWith(".jar")) {
                    response.setStatus(HttpServletResponse.SC_OK);
                    writer.println("empty");
                } else {
                    response.setStatus(HttpServletResponse.SC_NOT_FOUND);
                }

                ((Request) request).setHandled(true);
            }
        };

        Server server = new Server(0);
        server.setHandler(repoHandler);

        try {
            server.start();
            if (server.isFailed()) {
                fail("Couldn't bind the server socket to a free port!");
            }
            int port = ((NetworkConnector) server.getConnectors()[0]).getLocalPort();
            System.out.println("Bound server socket to the port " + port);
            // test 1: resolve snapshot, just built local copy should suppress daily remote update check
            verifier = newVerifier(new File(testDir, "test").getAbsolutePath());
            verifier.setAutoclean(false);
            Map<String, String> filterProps = verifier.newDefaultFilterMap();
            filterProps.put("@port@", Integer.toString(port));
            verifier.filterFile("settings-template.xml", "settings.xml", "UTF-8", filterProps);
            verifier.addCliArgument("--settings");
            verifier.addCliArgument("settings.xml");
            verifier.setLogFileName("log-daily.txt");
            verifier.deleteDirectory("target");
            verifier.addCliArgument("validate");
            verifier.execute();
            verifier.verifyErrorFreeLog();

            List<String> cp = verifier.loadLines("target/classpath.txt", "UTF-8");
            assertTrue(cp.toString(), cp.contains("dep-0.1-SNAPSHOT.jar"));

            assertFalse(uris.toString(), uris.contains("/dep/0.1-SNAPSHOT/maven-metadata.xml"));
            assertFalse(uris.toString(), uris.contains("/dep/0.1-SNAPSHOT/dep-0.1-20100329.235556-1.jar"));

            uris.clear();

            // test 2: force snapshot updates, remote metadata and artifacts should be fetched
            verifier.addCliArgument("-U");
            verifier.setLogFileName("log-force.txt");
            verifier.deleteDirectory("target");
            verifier.addCliArgument("validate");
            verifier.execute();
            verifier.verifyErrorFreeLog();

            cp = verifier.loadLines("target/classpath.txt", "UTF-8");
            assertTrue(cp.toString(), cp.contains("dep-0.1-SNAPSHOT.jar"));

            assertTrue(uris.toString(), uris.contains("/dep/0.1-SNAPSHOT/maven-metadata.xml"));
            assertTrue(uris.toString(), uris.contains("/dep/0.1-SNAPSHOT/dep-0.1-20100329.235556-1.jar"));
        } finally {
            server.stop();
        }
    }
}