package org.apache.maven.scm.tck.command.checkin;

/*
 * 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 org.apache.maven.scm.ScmFile;
import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.ScmFileStatus;
import org.apache.maven.scm.ScmTckTestCase;
import org.apache.maven.scm.command.add.AddScmResult;
import org.apache.maven.scm.command.checkin.CheckInScmResult;
import org.apache.maven.scm.command.checkout.CheckOutScmResult;
import org.codehaus.plexus.util.FileUtils;
import org.codehaus.plexus.util.IOUtil;

import java.io.File;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.List;
import java.util.Map;

/**
 * This test tests the check out command.
 *
 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
 */
public abstract class CheckInCommandTckTest
    extends ScmTckTestCase
{
    public void testCheckInCommandTest()
        throws Exception
    {
        // Make sure that the correct files was checked out
        File fooJava = new File( getWorkingCopy(), "src/main/java/Foo.java" );

        File barJava = new File( getWorkingCopy(), "src/main/java/Bar.java" );

        File readmeTxt = new File( getWorkingCopy(), "readme.txt" );

        assertFalse( "check Foo.java doesn't yet exist", fooJava.canRead() );

        assertFalse( "check Bar.java doesn't yet exist", barJava.canRead() );

        assertTrue( "check can read readme.txt", readmeTxt.canRead() );

        // Change the files
        createFooJava( fooJava );

        createBarJava( barJava );

        changeReadmeTxt( readmeTxt );

        AddScmResult addResult = getScmManager().add( getScmRepository(),
                                                      new ScmFileSet( getWorkingCopy(), "src/main/java/Foo.java",
                                                                      null ) );

        assertResultIsSuccess( addResult );

        CheckInScmResult result =
            getScmManager().checkIn( getScmRepository(), new ScmFileSet( getWorkingCopy() ), "Commit message" );

        assertResultIsSuccess( result );

        List<ScmFile> files = result.getCheckedInFiles();

        assertNotNull( files );

        assertEquals( 2, files.size() );

        Map<String, ScmFile> fileMap = mapFilesByPath( files );
        ScmFile file1 = fileMap.get( "src/main/java/Foo.java" );
        assertNotNull( file1 );
        assertEquals( ScmFileStatus.CHECKED_IN, file1.getStatus() );

        ScmFile file2 = fileMap.get( "readme.txt" );
        assertNotNull( file2 );
        assertEquals( ScmFileStatus.CHECKED_IN, file2.getStatus() );

        CheckOutScmResult checkoutResult =
            getScmManager().checkOut( getScmRepository(), new ScmFileSet( getAssertionCopy() ) );

        assertResultIsSuccess( checkoutResult );

        fooJava = new File( getAssertionCopy(), "src/main/java/Foo.java" );

        barJava = new File( getAssertionCopy(), "src/main/java/Bar.java" );

        readmeTxt = new File( getAssertionCopy(), "readme.txt" );

        assertTrue( "check can read Foo.java", fooJava.canRead() );

        assertFalse( "check Bar.java doesn't exist", barJava.canRead() );

        assertTrue( "check can read readme.txt", readmeTxt.canRead() );

        assertEquals( "check readme.txt contents", "changed file", FileUtils.fileRead( readmeTxt ) );
    }

    public void testCheckInCommandPartialFileset()
        throws Exception
    {
        // Make sure that the correct files was checked out
        File fooJava = new File( getWorkingCopy(), "src/main/java/Foo.java" );

        File barJava = new File( getWorkingCopy(), "src/main/java/Bar.java" );

        File readmeTxt = new File( getWorkingCopy(), "readme.txt" );

        assertFalse( "check Foo.java doesn't yet exist", fooJava.canRead() );

        assertFalse( "check Bar.java doesn't yet exist", barJava.canRead() );

        assertTrue( "check can read readme.txt", readmeTxt.canRead() );

        // Change the files
        createFooJava( fooJava );

        createBarJava( barJava );

        changeReadmeTxt( readmeTxt );

        AddScmResult addResult =
            getScmManager().getProviderByUrl( getScmUrl() ).add( getScmRepository(),
                                                                 new ScmFileSet( getWorkingCopy(),
                                                                                 "src/main/java/Foo.java", null ) );

        assertResultIsSuccess( addResult );

        CheckInScmResult result =
            getScmManager().checkIn( getScmRepository(), new ScmFileSet( getWorkingCopy(), "**/Foo.java", null ),
                                     "Commit message" );

        assertResultIsSuccess( result );

        List<ScmFile> files = result.getCheckedInFiles();

        assertNotNull( files );

        assertEquals( 1, files.size() );

        ScmFile file1 = files.get( 0 );

        assertEquals( ScmFileStatus.CHECKED_IN, file1.getStatus() );

        CheckOutScmResult checkoutResult =
            getScmManager().checkOut( getScmRepository(), new ScmFileSet( getAssertionCopy() ) );

        assertResultIsSuccess( checkoutResult );

        fooJava = new File( getAssertionCopy(), "src/main/java/Foo.java" );

        barJava = new File( getAssertionCopy(), "src/main/java/Bar.java" );

        readmeTxt = new File( getAssertionCopy(), "readme.txt" );

        assertTrue( "check can read Foo.java", fooJava.canRead() );

        assertFalse( "check Bar.java doesn't exist", barJava.canRead() );

        assertTrue( "check can read readme.txt", readmeTxt.canRead() );

        assertEquals( "check readme.txt contents", "/readme.txt", FileUtils.fileRead( readmeTxt ) );
    }

    private void createFooJava( File fooJava )
        throws Exception
    {
        FileWriter output = new FileWriter( fooJava );

        PrintWriter printer = new PrintWriter( output );
        try
        {
            printer.println( "public class Foo" );
            printer.println( "{" );

            printer.println( "    public void foo()" );
            printer.println( "    {" );
            printer.println( "        int i = 10;" );
            printer.println( "    }" );

            printer.println( "}" );
        }
        finally
        {
            IOUtil.close( output );
            IOUtil.close( printer );
        }
    }

    private void createBarJava( File barJava )
        throws Exception
    {
        FileWriter output = new FileWriter( barJava );

        PrintWriter printer = new PrintWriter( output );

        printer.println( "public class Bar" );
        printer.println( "{" );

        printer.println( "    public int bar()" );
        printer.println( "    {" );
        printer.println( "        return 20;" );
        printer.println( "    }" );

        printer.println( "}" );

        printer.close();

        output.close();
    }

    private void changeReadmeTxt( File readmeTxt )
        throws Exception
    {
        FileWriter output = null;

        try
        {
            output = new FileWriter( readmeTxt );

            output.write( "changed file" );
        }
        finally
        {
            IOUtil.close( output );
        }
    }
}