package org.apache.maven.plugins.dependency.analyze;

/* 
 * 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 java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;

import org.apache.maven.plugins.dependency.AbstractDependencyMojoTestCase;
import org.apache.maven.plugins.dependency.analyze.AnalyzeDuplicateMojo;
import org.apache.maven.plugin.logging.Log;

/**
 * @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a>
 * @version $Id: TestAnalyzeDuplicateMojo.java 1791693 2017-04-17 15:55:45Z hboutemy $
 */
public class TestAnalyzeDuplicateMojo
    extends AbstractDependencyMojoTestCase
{
    public void testDuplicate()
        throws Exception
    {
        File testPom =
            new File( getBasedir(), "target/test-classes/unit/duplicate-dependencies/plugin-config.xml" );
        AnalyzeDuplicateMojo mojo = (AnalyzeDuplicateMojo) lookupMojo( "analyze-duplicate", testPom );
        assertNotNull( mojo );
        DuplicateLog log = new DuplicateLog();
        mojo.setLog( log );
        mojo.execute();

        assertTrue( log.getContent().contains( "List of duplicate dependencies defined in <dependencies/> in "
            + "your pom.xml" ) );
        assertTrue( log.getContent().contains( "junit:junit:jar" ) );
    }

    public void testDuplicate2()
        throws Exception
    {
        File testPom =
            new File( getBasedir(), "target/test-classes/unit/duplicate-dependencies/plugin-config2.xml" );
        AnalyzeDuplicateMojo mojo = (AnalyzeDuplicateMojo) lookupMojo( "analyze-duplicate", testPom );
        assertNotNull( mojo );
        DuplicateLog log = new DuplicateLog();
        mojo.setLog( log );
        mojo.execute();

        assertTrue( log.getContent().contains( "List of duplicate dependencies defined in <dependencyManagement/> in "
            + "your pom.xml" ) );
        assertTrue( log.getContent().contains( "junit:junit:jar" ) );
    }

    class DuplicateLog
        implements Log
    {
        StringBuilder sb = new StringBuilder();

        /** {@inheritDoc} */
        public void debug( CharSequence content )
        {
            print( "debug", content );
        }

        /** {@inheritDoc} */
        public void debug( CharSequence content, Throwable error )
        {
            print( "debug", content, error );
        }

        /** {@inheritDoc} */
        public void debug( Throwable error )
        {
            print( "debug", error );
        }

        /** {@inheritDoc} */
        public void info( CharSequence content )
        {
            print( "info", content );
        }

        /** {@inheritDoc} */
        public void info( CharSequence content, Throwable error )
        {
            print( "info", content, error );
        }

        /** {@inheritDoc} */
        public void info( Throwable error )
        {
            print( "info", error );
        }

        /** {@inheritDoc} */
        public void warn( CharSequence content )
        {
            print( "warn", content );
        }

        /** {@inheritDoc} */
        public void warn( CharSequence content, Throwable error )
        {
            print( "warn", content, error );
        }

        /** {@inheritDoc} */
        public void warn( Throwable error )
        {
            print( "warn", error );
        }

        /** {@inheritDoc} */
        public void error( CharSequence content )
        {
            System.err.println( "[error] " + content.toString() );
        }

        /** {@inheritDoc} */
        public void error( CharSequence content, Throwable error )
        {
            StringWriter sWriter = new StringWriter();
            PrintWriter pWriter = new PrintWriter( sWriter );

            error.printStackTrace( pWriter );

            System.err.println( "[error] " + content.toString() + "\n\n" + sWriter.toString() );
        }

        /**
         * @see org.apache.maven.plugin.logging.Log#error(java.lang.Throwable)
         */
        public void error( Throwable error )
        {
            StringWriter sWriter = new StringWriter();
            PrintWriter pWriter = new PrintWriter( sWriter );

            error.printStackTrace( pWriter );

            System.err.println( "[error] " + sWriter.toString() );
        }

        /**
         * @see org.apache.maven.plugin.logging.Log#isDebugEnabled()
         */
        public boolean isDebugEnabled()
        {
            // TODO: Not sure how best to set these for this implementation...
            return false;
        }

        /**
         * @see org.apache.maven.plugin.logging.Log#isInfoEnabled()
         */
        public boolean isInfoEnabled()
        {
            return true;
        }

        /**
         * @see org.apache.maven.plugin.logging.Log#isWarnEnabled()
         */
        public boolean isWarnEnabled()
        {
            return true;
        }

        /**
         * @see org.apache.maven.plugin.logging.Log#isErrorEnabled()
         */
        public boolean isErrorEnabled()
        {
            return true;
        }

        private void print( String prefix, CharSequence content )
        {
            sb.append( "[" ).append( prefix ).append( "] " ).append( content.toString() ).append( "\n" );
        }

        private void print( String prefix, Throwable error )
        {
            StringWriter sWriter = new StringWriter();
            PrintWriter pWriter = new PrintWriter( sWriter );

            error.printStackTrace( pWriter );

            sb.append( "[" ).append( prefix ).append( "] " ).append( sWriter.toString() ).append( "\n" );
        }

        private void print( String prefix, CharSequence content, Throwable error )
        {
            StringWriter sWriter = new StringWriter();
            PrintWriter pWriter = new PrintWriter( sWriter );

            error.printStackTrace( pWriter );

            sb.append( "[" ).append( prefix ).append( "] " ).append( content.toString() ).append( "\n\n" );
            sb.append( sWriter.toString() ).append( "\n" );
        }

        protected String getContent()
        {
            return sb.toString();
        }
    }
}
