/*
 * 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 java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Properties;

import org.apache.maven.artifact.repository.metadata.Metadata;
import org.apache.maven.artifact.repository.metadata.io.xpp3.MetadataXpp3Reader;
import org.apache.maven.shared.verifier.Verifier;
import org.apache.maven.shared.verifier.util.ResourceExtractor;
import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
import org.junit.jupiter.api.Test;

public class MavenITmng6754TimestampInMultimoduleProject extends AbstractMavenIntegrationTestCase {
    private static final String RESOURCE_PATH = "/mng-6754-version-timestamp-in-multimodule-build";
    private static final String VERSION = "1.0-SNAPSHOT";

    public MavenITmng6754TimestampInMultimoduleProject() {
        super("[3.8.2,)");
    }

    @Test
    public void testArtifactsHaveSameTimestamp() throws Exception {
        final File testDir = ResourceExtractor.simpleExtractResources(getClass(), RESOURCE_PATH);
        final Verifier verifier = newVerifier(testDir.getAbsolutePath());
        final Path localRepoDir = Paths.get(verifier.getLocalRepository());
        final Path remoteRepoDir = Paths.get(verifier.getBasedir(), "repo");

        verifier.deleteDirectory("repo");
        verifier.deleteArtifacts("org.apache.maven.its.mng6754");
        verifier.addCliArgument("-Drepodir=" + remoteRepoDir);
        verifier.addCliArgument("deploy");
        verifier.execute();
        verifier.verifyErrorFreeLog();

        final Properties props = verifier.loadProperties("target/timestamp.properties");
        // Reference timestamp
        final String mavenBuildTimestamp = props.getProperty("project.properties.timestamp");

        final Metadata parentMetadataLocal = getMetadata(getLocalMetadataPath(localRepoDir, "parent", null));
        final Metadata aMetadataLocal = getMetadata(getLocalMetadataPath(localRepoDir, "child-a", null));
        final Metadata bMetadataLocal = getMetadata(getLocalMetadataPath(localRepoDir, "child-b", null));

        final String parentLastUpdatedLocal =
                parentMetadataLocal.getVersioning().getLastUpdated();
        final String aLastUpdatedLocal = aMetadataLocal.getVersioning().getLastUpdated();
        final String bLastUpdatedLocal = bMetadataLocal.getVersioning().getLastUpdated();

        assertEquals("parent", "local", "lastUpdated", mavenBuildTimestamp, parentLastUpdatedLocal);
        assertEquals("child-a", "local", "lastUpdated", mavenBuildTimestamp, aLastUpdatedLocal);
        assertEquals("child-b", "local", "lastUpdated", mavenBuildTimestamp, bLastUpdatedLocal);

        final Metadata parentVersionedMetadataLocal =
                getMetadata(getLocalMetadataPath(localRepoDir, "parent", VERSION));
        final Metadata aVersionedMetadataLocal = getMetadata(getLocalMetadataPath(localRepoDir, "child-a", VERSION));
        final Metadata bVersionedMetadataLocal = getMetadata(getLocalMetadataPath(localRepoDir, "child-b", VERSION));

        final String parentVersionedLastUpdatedLocal =
                parentVersionedMetadataLocal.getVersioning().getLastUpdated();
        final String parentVersionedSnapshotVersionUpdatedLocal = parentVersionedMetadataLocal
                .getVersioning()
                .getSnapshotVersions()
                .get(0)
                .getUpdated();
        final String aLastVersionedUpdatedLocal =
                aVersionedMetadataLocal.getVersioning().getLastUpdated();
        final String aVersionedSnapshotVersionUpdated1Local = aVersionedMetadataLocal
                .getVersioning()
                .getSnapshotVersions()
                .get(0)
                .getUpdated();
        final String aVersionedSnapshotVersionUpdated2Local = aVersionedMetadataLocal
                .getVersioning()
                .getSnapshotVersions()
                .get(1)
                .getUpdated();
        final String bLastVersionedUpdatedLocal =
                bVersionedMetadataLocal.getVersioning().getLastUpdated();
        final String bVersionedSnapshotVersionUpdated1Local = bVersionedMetadataLocal
                .getVersioning()
                .getSnapshotVersions()
                .get(0)
                .getUpdated();
        final String bVersionedSnapshotVersionUpdated2Local = bVersionedMetadataLocal
                .getVersioning()
                .getSnapshotVersions()
                .get(1)
                .getUpdated();

        assertEquals("parent", "local", "lastUpdated", mavenBuildTimestamp, parentVersionedLastUpdatedLocal);
        assertEquals(
                "parent",
                "local",
                "snapshotVersion[0]/updated",
                mavenBuildTimestamp,
                parentVersionedSnapshotVersionUpdatedLocal);
        assertEquals("child-a", "local", "lastUpdated", mavenBuildTimestamp, aLastVersionedUpdatedLocal);
        assertEquals(
                "child-a",
                "local",
                "snapshotVersion[0]/updated",
                mavenBuildTimestamp,
                aVersionedSnapshotVersionUpdated1Local);
        assertEquals(
                "child-a",
                "local",
                "snapshotVersion[1]/updated",
                mavenBuildTimestamp,
                aVersionedSnapshotVersionUpdated2Local);
        assertEquals("child-b", "local", "lastUpdated", mavenBuildTimestamp, bLastVersionedUpdatedLocal);
        assertEquals(
                "child-b",
                "local",
                "snapshotVersion[0]/updated",
                mavenBuildTimestamp,
                bVersionedSnapshotVersionUpdated1Local);
        assertEquals(
                "child-b",
                "local",
                "snapshotVersion[1]/updated",
                mavenBuildTimestamp,
                bVersionedSnapshotVersionUpdated2Local);

        final Metadata parentMetadataRemote = getMetadata(getRemoteMetadataPath(remoteRepoDir, "parent", null));
        final Metadata aMetadataRemote = getMetadata(getRemoteMetadataPath(remoteRepoDir, "child-a", null));
        final Metadata bMetadataRemote = getMetadata(getRemoteMetadataPath(remoteRepoDir, "child-b", null));

        final String parentLastUpdatedRemote =
                parentMetadataRemote.getVersioning().getLastUpdated();
        final String aLastUpdatedRemote = aMetadataRemote.getVersioning().getLastUpdated();
        final String bLastUpdatedRemote = bMetadataRemote.getVersioning().getLastUpdated();

        assertEquals("parent", "remote", "lastUpdated", mavenBuildTimestamp, parentLastUpdatedRemote);
        assertEquals("child-a", "remote", "lastUpdated", mavenBuildTimestamp, aLastUpdatedRemote);
        assertEquals("child-b", "remote", "lastUpdated", mavenBuildTimestamp, bLastUpdatedRemote);

        final Metadata parentVersionedMetadataRemote =
                getMetadata(getRemoteMetadataPath(remoteRepoDir, "parent", VERSION));
        final Metadata aVersionedMetadataRemote = getMetadata(getRemoteMetadataPath(remoteRepoDir, "child-a", VERSION));
        final Metadata bVersionedMetadataRemote = getMetadata(getRemoteMetadataPath(remoteRepoDir, "child-b", VERSION));

        final String parentVersionedLastUpdatedRemote =
                parentVersionedMetadataRemote.getVersioning().getLastUpdated();
        final String parentVersionedSnapshotTimestamp = parentVersionedMetadataRemote
                .getVersioning()
                .getSnapshot()
                .getTimestamp()
                .replace(".", "");
        final String parentVersionedSnapshotVersionUpdatedRemote = parentVersionedMetadataRemote
                .getVersioning()
                .getSnapshotVersions()
                .get(0)
                .getUpdated();
        final String parentVersionedSnapshotVersionValueRemote = parentVersionedMetadataRemote
                .getVersioning()
                .getSnapshotVersions()
                .get(0)
                .getVersion();
        final String aLastVersionedUpdatedRemote =
                aVersionedMetadataRemote.getVersioning().getLastUpdated();
        final String aVersionedSnapshotTimestamp = aVersionedMetadataRemote
                .getVersioning()
                .getSnapshot()
                .getTimestamp()
                .replace(".", "");
        final String aVersionedSnapshotVersionUpdated1Remote = aVersionedMetadataRemote
                .getVersioning()
                .getSnapshotVersions()
                .get(0)
                .getUpdated();
        final String aVersionedSnapshotVersionValue1Remote = aVersionedMetadataRemote
                .getVersioning()
                .getSnapshotVersions()
                .get(0)
                .getVersion();
        final String aVersionedSnapshotVersionUpdated2Remote = aVersionedMetadataRemote
                .getVersioning()
                .getSnapshotVersions()
                .get(1)
                .getUpdated();
        final String aVersionedSnapshotVersionValue2Remote = aVersionedMetadataRemote
                .getVersioning()
                .getSnapshotVersions()
                .get(1)
                .getVersion();
        final String bLastVersionedUpdatedRemote =
                bVersionedMetadataRemote.getVersioning().getLastUpdated();
        final String bVersionedSnapshotTimestamp = bVersionedMetadataRemote
                .getVersioning()
                .getSnapshot()
                .getTimestamp()
                .replace(".", "");
        final String bVersionedSnapshotVersionUpdated1Remote = bVersionedMetadataRemote
                .getVersioning()
                .getSnapshotVersions()
                .get(0)
                .getUpdated();
        final String bVersionedSnapshotVersionValue1Remote = bVersionedMetadataRemote
                .getVersioning()
                .getSnapshotVersions()
                .get(0)
                .getVersion();
        final String bVersionedSnapshotVersionUpdated2Remote = bVersionedMetadataRemote
                .getVersioning()
                .getSnapshotVersions()
                .get(1)
                .getUpdated();
        final String bVersionedSnapshotVersionValue2Remote = bVersionedMetadataRemote
                .getVersioning()
                .getSnapshotVersions()
                .get(1)
                .getVersion();

        assertEquals("parent", "remote", "lastUpdated", mavenBuildTimestamp, parentVersionedLastUpdatedRemote);
        assertEquals("parent", "remote", "snapshot/timestamp", mavenBuildTimestamp, parentVersionedSnapshotTimestamp);
        assertEquals(
                "parent",
                "remote",
                "snapshotVersion[0]/updated",
                mavenBuildTimestamp,
                parentVersionedSnapshotVersionUpdatedRemote);
        assertEquals(
                "parent",
                "remote",
                "snapshotVersion[0]/value",
                mavenBuildTimestamp,
                parentVersionedSnapshotVersionValueRemote.substring(4, 19).replace(".", ""));
        assertEquals("child-a", "remote", "lastUpdated", mavenBuildTimestamp, aLastVersionedUpdatedRemote);
        assertEquals("child-a", "remote", "snapshot/timestamp", mavenBuildTimestamp, aVersionedSnapshotTimestamp);
        assertEquals(
                "child-a",
                "remote",
                "snapshotVersion[0]/updated",
                mavenBuildTimestamp,
                aVersionedSnapshotVersionUpdated1Remote);
        assertEquals(
                "child-a",
                "remote",
                "snapshotVersion[0]/value",
                mavenBuildTimestamp,
                aVersionedSnapshotVersionValue1Remote.substring(4, 19).replace(".", ""));
        assertEquals(
                "child-a",
                "remote",
                "snapshotVersion[1]/updated",
                mavenBuildTimestamp,
                aVersionedSnapshotVersionUpdated2Remote);
        assertEquals(
                "child-a",
                "remote",
                "snapshotVersion[1]/value",
                mavenBuildTimestamp,
                aVersionedSnapshotVersionValue2Remote.substring(4, 19).replace(".", ""));
        assertEquals("child-b", "remote", "lastUpdated", mavenBuildTimestamp, bLastVersionedUpdatedRemote);
        assertEquals("child-b", "remote", "snapshot/timestamp", mavenBuildTimestamp, bVersionedSnapshotTimestamp);
        assertEquals(
                "child-b",
                "remote",
                "snapshotVersion[0]/updated",
                mavenBuildTimestamp,
                bVersionedSnapshotVersionUpdated1Remote);
        assertEquals(
                "child-b",
                "remote",
                "snapshotVersion[0]/value",
                mavenBuildTimestamp,
                bVersionedSnapshotVersionValue1Remote.substring(4, 19).replace(".", ""));
        assertEquals(
                "child-b",
                "remote",
                "snapshotVersion[1]/updated",
                mavenBuildTimestamp,
                bVersionedSnapshotVersionUpdated2Remote);
        assertEquals(
                "child-b",
                "remote",
                "snapshotVersion[1]/value",
                mavenBuildTimestamp,
                bVersionedSnapshotVersionValue2Remote.substring(4, 19).replace(".", ""));
        assertPathExists(
                remoteRepoDir,
                "parent",
                "remote",
                VERSION,
                "parent-" + parentVersionedSnapshotVersionValueRemote + ".pom");
        assertPathExists(
                remoteRepoDir,
                "child-a",
                "remote",
                VERSION,
                "child-a-" + aVersionedSnapshotVersionValue1Remote + ".pom");
        assertPathExists(
                remoteRepoDir,
                "child-a",
                "remote",
                VERSION,
                "child-a-" + aVersionedSnapshotVersionValue2Remote + ".jar");
        assertPathExists(
                remoteRepoDir,
                "child-b",
                "remote",
                VERSION,
                "child-b-" + bVersionedSnapshotVersionValue1Remote + ".pom");
        assertPathExists(
                remoteRepoDir,
                "child-b",
                "remote",
                VERSION,
                "child-b-" + bVersionedSnapshotVersionValue2Remote + ".jar");
    }

    private Path getLocalMetadataPath(final Path repoDir, final String moduleName, String version) {
        return getRepoFile(repoDir, moduleName, version, "maven-metadata-local.xml");
    }

    private Path getRemoteMetadataPath(final Path repoDir, final String moduleName, String version) {
        return getRepoFile(repoDir, moduleName, version, "maven-metadata.xml");
    }

    private Path getRepoFile(final Path repoDir, final String moduleName, String version, String fileName) {
        final Path mng6754Path = Paths.get("org", "apache", "maven", "its", "mng6754");
        Path modulePath = repoDir.resolve(mng6754Path.resolve(moduleName));
        if (version != null) {
            modulePath = modulePath.resolve(version);
        }
        return modulePath.resolve(fileName);
    }

    private Metadata getMetadata(final Path metadataFile) throws IOException, XmlPullParserException {
        MetadataXpp3Reader r = new MetadataXpp3Reader();
        try (InputStream is = Files.newInputStream(metadataFile)) {
            return r.read(is);
        }
    }

    private void assertEquals(String moduleName, String location, String field, String expected, String actual) {
        String phase = null;
        switch (location) {
            case "local":
                phase = "Installed";
                break;
            case "remote":
                phase = "Deployed";
                break;
        }
        assertEquals(
                String.format(
                        "%s %s module should have equal %s %s with the Maven build timestamp",
                        phase, moduleName, location, field),
                expected,
                actual);
    }

    private void assertPathExists(Path repoDir, String moduleName, String location, String version, String fileName) {
        String phase = null;
        switch (location) {
            case "local":
                phase = "Installed";
                break;
            case "remote":
                phase = "Deployed";
                break;
        }
        Path file = getRepoFile(repoDir, moduleName, version, fileName);
        assertTrue(
                String.format("%s %s module %s file %s should exist", phase, moduleName, location, file),
                Files.exists(file));
    }
}