package org.apache.maven.plugins.install;

/*
 * 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.
 */

import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.io.File;
import java.util.Collections;
import java.util.List;

import org.apache.maven.api.Project;
import org.apache.maven.api.Session;
import org.apache.maven.api.plugin.MojoException;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.metadata.ArtifactMetadata;
import org.apache.maven.plugin.testing.AbstractMojoTestCase;
import org.apache.maven.plugins.install.stubs.AttachedArtifactStub0;
import org.apache.maven.plugins.install.stubs.InstallArtifactStub;
import org.apache.maven.project.DefaultProjectBuildingRequest;
import org.apache.maven.project.ProjectBuildingRequest;
import org.apache.maven.shared.utils.io.FileUtils;
import org.eclipse.aether.DefaultRepositorySystemSession;
import org.eclipse.aether.internal.impl.EnhancedLocalRepositoryManagerFactory;
import org.eclipse.aether.repository.LocalRepository;
import org.eclipse.aether.repository.NoLocalRepositoryManagerException;

/**
 * @author <a href="mailto:aramirez@apache.org">Allan Ramirez</a>
 */

public class InstallMojoTest
    extends AbstractMojoTestCase
{

    InstallArtifactStub artifact;

    private final String LOCAL_REPO = "target/local-repo/";

    public void setUp()
        throws Exception
    {
        super.setUp();

        FileUtils.deleteDirectory( new File( getBasedir() + "/" + LOCAL_REPO ) );
    }

    public void testInstallTestEnvironment()
        throws Exception
    {
        File testPom = new File( getBasedir(), "target/test-classes/unit/basic-install-test/plugin-config.xml" );

        AbstractInstallMojo mojo = (AbstractInstallMojo) lookupMojo( "install", testPom );

        assertNotNull( mojo );
    }

    public void testBasicInstall()
        throws Exception
    {
        File testPom = new File( getBasedir(), "target/test-classes/unit/basic-install-test/plugin-config.xml" );

        AbstractInstallMojo mojo = (AbstractInstallMojo) lookupMojo( "install", testPom );

        assertNotNull( mojo );

        File file = new File( getBasedir(), "target/test-classes/unit/basic-install-test/target/"
            + "maven-install-test-1.0-SNAPSHOT.jar" );

        Project project = (Project) getVariableValueFromObject( mojo, "project" );
        updateMavenProject( project );

        setVariableValueToObject( mojo, "reactorProjects", Collections.singletonList( project ) );
        setVariableValueToObject( mojo, "session", createMavenSession() );

        artifact = (InstallArtifactStub) project.getArtifact();

        artifact.setFile( file );

        mojo.execute();

        String groupId = dotToSlashReplacer( artifact.getGroupId() );

        File installedArtifact = new File( getBasedir(), LOCAL_REPO + groupId + "/" + artifact.getArtifactId() + "/" +
            artifact.getVersion() + "/" + artifact.getArtifactId() + "-" + artifact.getVersion() + "." + artifact.getArtifactHandler().getExtension() );

        assertTrue( installedArtifact.exists() );
        
        assertEquals( 5, FileUtils.getFiles( new File( LOCAL_REPO ), null, null ).size() );
    }

    public void testBasicInstallWithAttachedArtifacts()
        throws Exception
    {
        File testPom = new File( getBasedir(), "target/test-classes/unit/basic-install-test-with-attached-artifacts/"
            + "plugin-config.xml" );

        AbstractInstallMojo mojo = (AbstractInstallMojo) lookupMojo( "install", testPom );

        assertNotNull( mojo );

        Project project = (Project) getVariableValueFromObject( mojo, "project" );
        updateMavenProject( project );

        setVariableValueToObject( mojo, "reactorProjects", Collections.singletonList( project ) );
        setVariableValueToObject( mojo, "session", createMavenSession() );

        List<Artifact> attachedArtifacts = project.getAttachedArtifacts();

        mojo.execute();

        String packaging = project.getPackaging();

        String groupId;

        for ( Object attachedArtifact1 : attachedArtifacts )
        {
            AttachedArtifactStub0 attachedArtifact = (AttachedArtifactStub0) attachedArtifact1;

            groupId = dotToSlashReplacer( attachedArtifact.getGroupId() );

            File installedArtifact = new File( getBasedir(), LOCAL_REPO + groupId + "/" +
                attachedArtifact.getArtifactId() + "/" + attachedArtifact.getVersion() + "/" +
                attachedArtifact.getArtifactId() + "-" + attachedArtifact.getVersion() + "." + packaging );

            assertTrue( installedArtifact.getPath() + " does not exist", installedArtifact.exists() );
        }
        
        assertEquals( 13, FileUtils.getFiles( new File( LOCAL_REPO ), null, null ).size() );
    }

    public void testUpdateReleaseParamSetToTrue()
        throws Exception
    {
        File testPom = new File( getBasedir(), "target/test-classes/unit/configured-install-test/plugin-config.xml" );

        AbstractInstallMojo mojo = (AbstractInstallMojo) lookupMojo( "install", testPom );

        assertNotNull( mojo );

        File file = new File( getBasedir(), "target/test-classes/unit/configured-install-test/target/"
            + "maven-install-test-1.0-SNAPSHOT.jar" );

        Project project = (Project) getVariableValueFromObject( mojo, "project" );
        updateMavenProject( project );

        setVariableValueToObject( mojo, "reactorProjects", Collections.singletonList( project ) );
        setVariableValueToObject( mojo, "session", createMavenSession() );

        artifact = (InstallArtifactStub) project.getArtifact();

        artifact.setFile( file );

        mojo.execute();

//        assertTrue( artifact.isRelease() );
        
        assertEquals( 5, FileUtils.getFiles( new File( LOCAL_REPO ), null, null ).size() );
    }

    public void testInstallIfArtifactFileIsNull()
        throws Exception
    {
        File testPom = new File( getBasedir(), "target/test-classes/unit/basic-install-test/plugin-config.xml" );

        AbstractInstallMojo mojo = (AbstractInstallMojo) lookupMojo( "install", testPom );

        assertNotNull( mojo );

        Project project = (Project) getVariableValueFromObject( mojo, "project" );
        updateMavenProject( project );

        setVariableValueToObject( mojo, "reactorProjects", Collections.singletonList( project ) );
        setVariableValueToObject( mojo, "session", createMavenSession() );

        artifact = (InstallArtifactStub) project.getArtifact();

        artifact.setFile( null );

        assertNull( artifact.getFile() );

        try
        {
            mojo.execute();

            fail( "Did not throw mojo execution exception" );
        }
        catch ( MojoException e )
        {
            //expected
        }
        
        assertFalse( new File( LOCAL_REPO ).exists() );
    }

    public void testInstallIfPackagingIsPom()
        throws Exception
    {
        File testPom = new File( getBasedir(),
                                 "target/test-classes/unit/basic-install-test-packaging-pom/" + "plugin-config.xml" );

        AbstractInstallMojo mojo = (AbstractInstallMojo) lookupMojo( "install", testPom );

        assertNotNull( mojo );

        Project project = (Project) getVariableValueFromObject( mojo, "project" );
        updateMavenProject( project );

        setVariableValueToObject( mojo, "reactorProjects", Collections.singletonList( project ) );
        setVariableValueToObject( mojo, "session", createMavenSession() );

        String packaging = project.getPackaging();

        assertEquals( "pom", packaging );

        artifact = (InstallArtifactStub) project.getArtifact();

        mojo.execute();

        String groupId = dotToSlashReplacer( artifact.getGroupId() );

        File installedArtifact = new File( getBasedir(), LOCAL_REPO + groupId + "/" + artifact.getArtifactId() + "/" +
            artifact.getVersion() + "/" + artifact.getArtifactId() + "-" + artifact.getVersion() + "." + "pom" );

        assertTrue( installedArtifact.exists() );
        
        assertEquals( 4, FileUtils.getFiles( new File( LOCAL_REPO ), null, null ).size() );
    }

    public void testBasicInstallAndCreate()
        throws Exception
    {
        File testPom = new File( getBasedir(), "target/test-classes/unit/basic-install-checksum/plugin-config.xml" );

        AbstractInstallMojo mojo = (AbstractInstallMojo) lookupMojo( "install", testPom );

        assertNotNull( mojo );

        File file = new File( getBasedir(), "target/test-classes/unit/basic-install-checksum/" + "maven-test-jar.jar" );

        Project project = (Project) getVariableValueFromObject( mojo, "project" );
        Session mavenSession = createMavenSession();
        updateMavenProject( project );

        setVariableValueToObject( mojo, "reactorProjects", Collections.singletonList( project ) );
        setVariableValueToObject( mojo, "session", mavenSession );

        artifact = (InstallArtifactStub) project.getArtifact();

        artifact.setFile( file );

        mojo.execute();

        ArtifactMetadata metadata = null;
        for ( Object o : artifact.getMetadataList() )
        {
            metadata = (ArtifactMetadata) o;
            if ( metadata.getRemoteFilename().endsWith( "pom" ) )
            {
                break;
            }
        }

        RepositoryManager repoManager = (RepositoryManager) getVariableValueFromObject( mojo, "repositoryManager" );
        
        ProjectBuildingRequest pbr = mavenSession.getProjectBuildingRequest();

        File pom = new File( repoManager.getLocalRepositoryBasedir( pbr ),
                             repoManager.getPathForLocalMetadata( pbr, metadata ) );

        assertTrue( pom.exists() );

        String groupId = dotToSlashReplacer( artifact.getGroupId() );
        String packaging = project.getPackaging();
        String localPath = getBasedir() + "/" + LOCAL_REPO + groupId + "/" + artifact.getArtifactId() + "/" +
                        artifact.getVersion() + "/" + artifact.getArtifactId() + "-" + artifact.getVersion();
        

        File installedArtifact = new File( localPath + "." + packaging );

        assertTrue( installedArtifact.exists() );
        
        assertEquals( 5, FileUtils.getFiles( new File( LOCAL_REPO ), null, null ).size() );
    }

    public void testSkip()
        throws Exception
    {
        File testPom = new File( getBasedir(), "target/test-classes/unit/basic-install-test/plugin-config.xml" );

        InstallMojo mojo = (InstallMojo) lookupMojo( "install", testPom );

        assertNotNull( mojo );

        File file = new File( getBasedir(), "target/test-classes/unit/basic-install-test/target/"
            + "maven-install-test-1.0-SNAPSHOT.jar" );

        Project project = (Project) getVariableValueFromObject( mojo, "project" );
        updateMavenProject( project );

        setVariableValueToObject( mojo, "reactorProjects", Collections.singletonList( project ) );
        setVariableValueToObject( mojo, "session", createMavenSession() );

        artifact = (InstallArtifactStub) project.getArtifact();

        artifact.setFile( file );

        mojo.setSkip( true );

        mojo.execute();

        String groupId = dotToSlashReplacer( artifact.getGroupId() );

        String packaging = project.getPackaging();

        File installedArtifact = new File( getBasedir(), LOCAL_REPO + groupId + "/" + artifact.getArtifactId() + "/" +
            artifact.getVersion() + "/" + artifact.getArtifactId() + "-" + artifact.getVersion() + "." + packaging );

        assertFalse( installedArtifact.exists() );
        
        assertFalse( new File( LOCAL_REPO ).exists() );
    }


    private String dotToSlashReplacer( String parameter )
    {
        return parameter.replace( '.', '/' );
    }
    
    private Session createMavenSession() throws NoLocalRepositoryManagerException
    {
        Session session = mock( Session.class );
        DefaultRepositorySystemSession repositorySession  = new DefaultRepositorySystemSession();
        repositorySession.setLocalRepositoryManager(
                new EnhancedLocalRepositoryManagerFactory().newInstance(
                        repositorySession, new LocalRepository( LOCAL_REPO )
                )
        );
        ProjectBuildingRequest buildingRequest = new DefaultProjectBuildingRequest();
        buildingRequest.setRepositorySession( repositorySession );
        when( session.getProjectBuildingRequest() ).thenReturn( buildingRequest );
        return session;
    }
    
    private void updateMavenProject( Project project )
    {
       project.setGroupId( project.getArtifact().getGroupId() );
       project.setArtifactId( project.getArtifact().getArtifactId() );
       project.setVersion( project.getArtifact().getVersion() );
    }
}