/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.as.test.manualmode.parse;

import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.PROFILE;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.SUBSYSTEM;

import java.io.File;
import java.io.FileNotFoundException;
import java.nio.file.Paths;

import org.jboss.as.test.shared.FileUtils;
import org.jboss.as.test.shared.ModelParserUtils;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.Property;
import org.junit.Assert;
import org.junit.Test;

/**
 * Tests the ability to parse the config files we ship or have shipped in the past, as well as the ability to marshal
 * them back to xml in a manner such that reparsing them produces a consistent in-memory configuration model.
 *
 * @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
 * @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
 * @author Brian Stansberry (c) 2011 Red Hat Inc.
 */
public class ParseAndMarshalModelsTestCase {

    private enum Version {
        AS_7_1_3(false, "7-1-3"),
        AS_7_2_0(false, "7-2-0"),

        EAP_6_0_0(true, "6-0-0"),
        EAP_6_1_0(true, "6-1-0"),
        EAP_6_2_0(true, "6-2-0"),
        EAP_6_3_0(true, "6-3-0"),
        EAP_6_4_0(true, "6-4-0"),
        EAP_7_0_0(true, "7-0-0"),
        EAP_7_1_0(true, "7-1-0"),
        EAP_7_2_0(true, "7-2-0");

        final boolean eap;
        final String versionQualifier;
        final int major;
        final int minor;
        final int micro;

        Version(boolean eap, String versionQualifier) {
            this.eap = eap;
            this.versionQualifier = versionQualifier;
            final String[] parts = this.versionQualifier.split("-");
            major = Integer.valueOf(parts[0]);
            minor = Integer.valueOf(parts[1]);
            micro = Integer.valueOf(parts[2]);
        }

        boolean is6x() {
            return major == 6;
        }

        boolean is7x() {
            return major == 7;
        }

        boolean isLessThan(int major, int minor) {
            return (this.major == major && this.minor < minor) || this.major < major;
        }
    }


    private static final Version[] EAP_VERSIONS = {
            Version.EAP_6_0_0, Version.EAP_6_1_0, Version.EAP_6_2_0,
            Version.EAP_6_3_0, Version.EAP_6_4_0, Version.EAP_7_0_0, Version.EAP_7_1_0, Version.EAP_7_2_0};

    private static final Version[] AS_VERSIONS = {Version.AS_7_1_3, Version.AS_7_2_0};

    private static final File JBOSS_HOME = Paths.get("target" ,"jbossas-parse-marshal").toFile();

    @Test
    public void testStandaloneXml() throws Exception {
        standaloneXmlTest(getOriginalStandaloneXml("standalone.xml"));
    }

    @Test
    public void testStandaloneHAXml() throws Exception {
        standaloneXmlTest(getOriginalStandaloneXml("standalone-ha.xml"));
    }

    @Test
    public void testStandaloneFullXml() throws Exception {
        standaloneXmlTest(getOriginalStandaloneXml("standalone-full.xml"));
    }

    @Test
    public void testStandaloneFullHAXml() throws Exception {
        standaloneXmlTest(getOriginalStandaloneXml("standalone-full-ha.xml"));
    }

    @Test
    public void testStandaloneMinimalisticXml() throws Exception {
        standaloneXmlTest(getDocsExampleConfigFile("standalone-minimalistic.xml"));
    }

    @Test
    public void testStandalonePicketLinkXml() throws Exception {
        standaloneXmlTest(getDocsExampleConfigFile("standalone-picketlink.xml"));
    }

    @Test
    public void testStandaloneXtsXml() throws Exception {
        standaloneXmlTest(getDocsExampleConfigFile("standalone-xts.xml"));
    }

    @Test
    public void testStandaloneJtsXml() throws Exception {
        standaloneXmlTest(getDocsExampleConfigFile("standalone-jts.xml"));
    }

    @Test
    public void testStandaloneGenericJMSXml() throws Exception {
        standaloneXmlTest(getDocsExampleConfigFile("standalone-genericjms.xml"));
    }

    @Test
    public void testStandaloneActiveMQColocatedXml() throws Exception {
        standaloneXmlTest(getDocsExampleConfigFile("standalone-activemq-colocated.xml"));
    }

    @Test
    public void testJBossASStandaloneXml() throws Exception {
        for (Version version : AS_VERSIONS) {
            ModelNode model = standaloneXmlTest(getLegacyConfigFile("standalone", version, null));
            validateJsfSubsystem(model, version);
        }
    }

    @Test
    public void testJBossASStandaloneFullHaXml() throws Exception {
        for (Version version : AS_VERSIONS) {
            ModelNode model = standaloneXmlTest(getLegacyConfigFile("standalone", version, "full-ha"));
            validateJsfSubsystem(model, version);
        }
    }

    @Test
    public void testJBossASStandaloneFullXml() throws Exception {
        for (Version version : AS_VERSIONS) {
            ModelNode model = standaloneXmlTest(getLegacyConfigFile("standalone", version, "full"));
            validateJsfSubsystem(model, version);
        }
    }

    @Test
    public void testJBossASStandaloneHornetQCollocatedXml() throws Exception {
        for (Version version : AS_VERSIONS) {
            standaloneXmlTest(getLegacyConfigFile("standalone", version, "hornetq-colocated"));
        }
    }

    @Test
    public void testJBossASStandaloneJtsXml() throws Exception {
        for (Version version : AS_VERSIONS) {
            standaloneXmlTest(getLegacyConfigFile("standalone", version, "jts"));
        }
    }

    @Test
    public void testJBossASStandaloneMinimalisticXml() throws Exception {
        for (Version version : AS_VERSIONS) {
            standaloneXmlTest(getLegacyConfigFile("standalone", version, "minimalistic"));
        }
    }

    @Test
    public void testJBossASStandaloneXtsXml() throws Exception {
        for (Version version : AS_VERSIONS) {
            standaloneXmlTest(getLegacyConfigFile("standalone", version, "xts"));
        }
    }

    @Test
    public void testEAPStandaloneFullHaXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            ModelNode model = standaloneXmlTest(getLegacyConfigFile("standalone", version, "full-ha"));
            validateWebSubsystem(model, version);
            validateJsfSubsystem(model, version);
            validateCmpSubsystem(model, version);
            validateMessagingSubsystem(model, version);
        }
    }

    @Test
    public void testEAPStandaloneFullXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            ModelNode model = standaloneXmlTest(getLegacyConfigFile("standalone", version, "full"));
            validateWebSubsystem(model, version);
            validateJsfSubsystem(model, version);
            validateCmpSubsystem(model, version);
            validateMessagingSubsystem(model, version);
        }
    }

    @Test
    public void testEAPStandaloneXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            ModelNode model = standaloneXmlTest(getLegacyConfigFile("standalone", version, null));
            validateWebSubsystem(model, version);
            validateJsfSubsystem(model, version);
        }
    }

    @Test
    public void testEAPStandaloneHornetQCollocatedXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.is6x()) {
                //Only exists in EAP 6.x
                ModelNode model = standaloneXmlTest(getLegacyConfigFile("standalone", version, "hornetq-colocated"));
                validateWebSubsystem(model, version);
                validateJsfSubsystem(model, version);
                validateMessagingSubsystem(model, version);
                validateThreadsSubsystem(model, version);
                validateJacordSubsystem(model, version);
            }
        }
    }

    @Test
    public void testEAPStandaloneJtsXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            ModelNode model = standaloneXmlTest(getLegacyConfigFile("standalone", version, "jts"));
            validateWebSubsystem(model, version);
            validateJsfSubsystem(model, version);
            validateThreadsSubsystem(model, version);
            validateJacordSubsystem(model, version);
        }
    }

    @Test
    public void testEAPStandaloneMinimalisticXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            standaloneXmlTest(getLegacyConfigFile("standalone", version, "minimalistic"));
        }
    }

    @Test
    public void testEAPStandalonePicketLinkXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.is6x()) {
                // Did not exist until 6.3, where the tech preview was abandoned and redone
            } else {
                standaloneXmlTest(getLegacyConfigFile("standalone", version, "picketlink"));
            }
        }
    }

    @Test
    public void testEAPStandaloneXtsXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            ModelNode model = standaloneXmlTest(getLegacyConfigFile("standalone", version, "xts"));
            validateCmpSubsystem(model, version);
            validateWebSubsystem(model, version);
            validateJsfSubsystem(model, version);
            validateThreadsSubsystem(model, version);
            validateJacordSubsystem(model, version);
            validateXtsSubsystem(model, version);
        }
    }

    @Test
    public void testEAPStandaloneAzureFullHaXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.is6x()) {
                // didn't exist yet
            } else {
                standaloneXmlTest(getLegacyConfigFile("standalone", version, "azure-full-ha"));
            }
        }
    }

    @Test
    public void testEAPStandaloneAzureHaXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.is6x()) {
                // didn't exist yet
            } else {
                standaloneXmlTest(getLegacyConfigFile("standalone", version, "azure-ha"));
            }
        }
    }

    @Test
    public void testEAPStandaloneEc2FullHaXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.is6x()) {
                // didn't exist yet
            } else {
                standaloneXmlTest(getLegacyConfigFile("standalone", version, "ec2-full-ha"));
            }
        }
    }

    @Test
    public void testEAPStandaloneEc2HaXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.is6x()) {
                // didn't exist yet
            } else {
                standaloneXmlTest(getLegacyConfigFile("standalone", version, "ec2-ha"));
            }
        }
    }

    @Test
    public void testEAPStandaloneGenericJmsXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.is6x()) {
                // didn't exist yet
            } else {
                standaloneXmlTest(getLegacyConfigFile("standalone", version, "genericjms"));
            }
        }
    }

    @Test
    public void testEAPStandaloneGossipFullHaXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.is6x()) {
                // didn't exist yet
            } else {
                standaloneXmlTest(getLegacyConfigFile("standalone", version, "gossip-full-ha"));
            }
        }
    }

    @Test
    public void testEAPStandaloneGossipHaXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.is6x()) {
                // didn't exist yet
            } else {
                standaloneXmlTest(getLegacyConfigFile("standalone", version, "gossip-ha"));
            }
        }
    }

    @Test
    public void testEAPStandaloneLoadBalancerXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.isLessThan(7, 1)) {
                // didn't exist yet
            } else {
                standaloneXmlTest(getLegacyConfigFile("standalone", version, "load-balancer"));
            }
        }
    }

    @Test
    public void testEAPStandaloneRtsXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            if (version.is6x()) {
                // didn't exist yet
            } else {
                standaloneXmlTest(getLegacyConfigFile("standalone", version, "rts"));
            }
        }
    }

    private ModelNode standaloneXmlTest(File original) throws Exception {
        return ModelParserUtils.standaloneXmlTest(original, JBOSS_HOME);
    }

    @Test
    public void testHostXml() throws Exception {
        hostXmlTest(getOriginalHostXml("host.xml"));
    }

    @Test
    public void testJBossASHostXml() throws Exception {
        for (Version version : AS_VERSIONS) {
            hostXmlTest(getLegacyConfigFile("host", version, null));
        }
    }

    @Test
    public void testEAPHostXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            hostXmlTest(getLegacyConfigFile("host", version, null));
        }
    }

    private void hostXmlTest(final File original) throws Exception {
        ModelParserUtils.hostXmlTest(original, JBOSS_HOME);
    }

    @Test
    public void testDomainXml() throws Exception {
        domainXmlTest(getOriginalDomainXml("domain.xml"));
    }

    @Test
    public void testJBossASDomainXml() throws Exception {
        for (Version version : AS_VERSIONS) {
            ModelNode model = domainXmlTest(getLegacyConfigFile("domain", version, null));
            validateProfiles(model, version);
        }
    }

    @Test
    public void testEAPDomainXml() throws Exception {
        for (Version version : EAP_VERSIONS) {
            ModelNode model = domainXmlTest(getLegacyConfigFile("domain", version, null));
            validateProfiles(model, version);
        }
    }

    private ModelNode domainXmlTest(final File original) throws Exception {
        return ModelParserUtils.domainXmlTest(original, JBOSS_HOME);
    }

    private static void validateProfiles(ModelNode model, Version version) {
        Assert.assertTrue(model.hasDefined(PROFILE));
        if (version.is6x()) {
            //Only in 6.x
            for (Property prop : model.get(PROFILE).asPropertyList()) {
                validateWebSubsystem(prop.getValue(), version);
                validateJsfSubsystem(prop.getValue(), version);
                validateThreadsSubsystem(prop.getValue(), version);
            }

        } else {
            //Don't validate, although we may decide to validate things in the future
        }
    }

    private static void validateWebSubsystem(ModelNode model, Version version) {
        if (version.is6x()) {
            //Only in 6.x
            validateSubsystem(model, "web", version);
            Assert.assertTrue(model.hasDefined(SUBSYSTEM, "web", "connector", "http"));

        }
    }

    private static void validateJsfSubsystem(ModelNode model, Version version) {
        if (version.is6x()) {
            //Only in 6.x
            validateSubsystem(model, "jsf", version); //we cannot check for it as web subsystem is not present to add jsf one
        }
    }

    private static void validateCmpSubsystem(ModelNode model, Version version) {
        if (version.is6x()) {
            //Only in 6.x
            validateSubsystem(model, "cmp", version); //we cannot check for it as web subsystem is not present to add jsf one
        }
    }

    private static void validateMessagingSubsystem(ModelNode model, Version version) {
        if (version.is6x()) {
            //Only in 6.x
            validateSubsystem(model, "messaging", version);
            Assert.assertTrue(model.hasDefined(SUBSYSTEM, "messaging", "hornetq-server", "default"));
        }
    }

    private static void validateThreadsSubsystem(ModelNode model, Version version) {
        if (version.is6x()) {
            //Only in 6.x
            validateSubsystem(model, "threads", version);
        }
    }

    private static void validateJacordSubsystem(ModelNode model, Version version) {
        if (version.is6x()) {
            //Only in 6.x
            validateSubsystem(model, "jacorb", version);
        }
    }

    private static void validateXtsSubsystem(ModelNode model, Version version) {
        validateSubsystem(model, "xts", version);
        Assert.assertTrue(model.hasDefined(SUBSYSTEM, "xts", "host"));
    }

    private static void validateSubsystem(ModelNode model, String subsystem, Version version) {
        Assert.assertTrue(model.hasDefined(SUBSYSTEM));
        Assert.assertTrue("Missing " + subsystem + " subsystem for " + version.versionQualifier, model.get(SUBSYSTEM).hasDefined(subsystem));
    }
    //  Get-config methods

    private File getOriginalStandaloneXml(String profile) throws FileNotFoundException {
        return FileUtils.getFileOrCheckParentsIfNotFound(
                System.getProperty("jboss.dist"),
                "standalone/configuration/" + profile
        );
    }

    private File getOriginalHostXml(final String profile) throws FileNotFoundException {
        //Get the standalone.xml from the build/src directory, since the one in the
        //built server could have changed during running of tests
        File f = getHostConfigDir();
        f = new File(f, profile);
        Assert.assertTrue("Not found: " + f.getPath(), f.exists());
        return f;
    }

    private File getOriginalDomainXml(final String profile) throws FileNotFoundException {
        //Get the standalone.xml from the build/src directory, since the one in the
        //built server could have changed during running of tests
        File f = getDomainConfigDir();
        f = new File(f, profile);
        Assert.assertTrue("Not found: " + f.getPath(), f.exists());
        return f;
    }

    private File getLegacyConfigFile(String type, Version version, String qualifier) throws FileNotFoundException {
        StringBuilder sb = new StringBuilder();
        if (version.eap) {
            sb.append("eap-");
        }
        sb.append(version.versionQualifier);
        if (qualifier != null) {
            sb.append("-");
            sb.append(qualifier);
        }
        sb.append(".xml");
        String fileName = sb.toString();
        return FileUtils.getFileOrCheckParentsIfNotFound(
                System.getProperty("jbossas.ts.submodule.dir"),
                "src/test/resources/legacy-configs/" + type + File.separator + fileName
        );
    }

    private File getDocsExampleConfigFile(String name) throws FileNotFoundException {
        return FileUtils.getFileOrCheckParentsIfNotFound(
                System.getProperty("jboss.dist"),
                "docs/examples/configs" + File.separator + name
        );
    }

    private File getHostConfigDir() throws FileNotFoundException {
        //Get the standalone.xml from the build/src directory, since the one in the
        //built server could have changed during running of tests
        return FileUtils.getFileOrCheckParentsIfNotFound(
                System.getProperty("jboss.dist"),
                "domain/configuration"
        );
    }

    private File getDomainConfigDir() throws FileNotFoundException {
        return FileUtils.getFileOrCheckParentsIfNotFound(
                System.getProperty("jboss.dist"),
                "domain/configuration"
        );
    }
}
