import org.codehaus.plexus.util.FileUtils;

import java.io.*;
import java.util.*;

String[] modules = { "mod-1", "mod-2", "mod-3" };
String[] paths =
{
    "target/site/pmd.html",
    "target/site/pmd.xml",
    "target/site/cpd.html",
    "target/site/cpd.xml",
    "target/pmd.xml",
    "target/cpd.xml",
};

// files must exist in every module
for ( String module : modules )
{
    // PMD and CPD reports
    for ( String path : paths )
    {
        File file = new File( basedir, module + '/' + path );
        System.out.println( "Checking for existence of " + file );
        if ( !file.isFile() )
        {
            throw new FileNotFoundException( "Missing: " + file.getAbsolutePath() );
        }
    }
}

// files must not exist in parent
for ( String path : paths )
{
    File file = new File( basedir, path );
    System.out.println( "Checking for absence of " + file );
    if ( file.exists() )
    {
        throw new IOException( "Banned: " + file.getAbsolutePath() );
    }
}


// check PMD rulesets target copy
File rule = new File( basedir, "mod-1/target/latin-1.xml" );
String nonascii = "-CHARS: \u00C4\u00D6\u00DC\u00E4\u00F6\u00FC\u00DF\u00BC\u00BD\u00BE\u00A4";
String content = FileUtils.fileRead( rule, "ISO-8859-1" );
if ( content.indexOf( nonascii ) < 0 )
{
    throw new IOException( "non-ascii content corrupted in Latin1." );
}
rule = new File( basedir, "mod-1/target/utf-8.xml" );
content = FileUtils.fileRead( rule, "UTF-8" );
if ( content.indexOf( nonascii ) < 0 )
{
    throw new IOException( "non-ascii content corrupted in UTF-8." );
}

// check xml files encoding
void checkEncoding( String module, String encoding )
{
    for ( String path : paths )
    {
        if ( !path.endsWith( ".xml" ) )
        {
            continue;
        }
        File file = new File( basedir, module + '/' + path );
        content = FileUtils.fileRead( file, encoding );
        if ( !content.startsWith( "<?xml version=\"1.0\" encoding=\"" + encoding + "\"?>" ) )
        {
            throw new IOException( "wrong XML encoding declaration for " + file );
        }
    }
}
checkEncoding( "mod-1", "ISO-8859-1" );
checkEncoding( "mod-2", "UTF-8" );
checkEncoding( "mod-3", "UTF-8" );

return true;