/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */

package complexlib;

import java.util.ArrayList;

public class ShowTargets
{
    public static void main( String[] args )
    {
        ArrayList<String> targets = new ArrayList<String>();
        ArrayList<String> descs = new ArrayList<String>();

        targets.add( "run" );
        descs.add( "runs all complex tests in this module" );

        int maxTargetLength = 3;

        for ( int i = 0; i < args.length; ++i )
        {
            String completePotentialClassName = args[i].replace( '/', '.' );

            // filter
            if ( completePotentialClassName.endsWith( ".TestCase" ) )
                continue;
            if ( completePotentialClassName.endsWith( ".TestSkeleton" ) )
                continue;

            // get the class
            Class<?> potentialTestClass = null;
            try { potentialTestClass = Class.forName( completePotentialClassName ); }
            catch( java.lang.ClassNotFoundException e )
            {
                continue;
            }

            // see if it is derived from complexlib.ComplexTestCase
            Class<?> superClass = potentialTestClass.getSuperclass();
            while ( superClass != null )
            {
                if ( superClass.getName().equals( "complexlib.ComplexTestCase" ) )
                {
                    String bareClassName = completePotentialClassName.substring( completePotentialClassName.lastIndexOf( '.' ) + 1 );
                    String target = "run_" + bareClassName;
                    targets.add( target );
                    descs.add( getShortTestDescription( potentialTestClass ) );

                    if ( maxTargetLength < target.length() )
                        maxTargetLength = target.length();
                    break;
                }
                superClass = superClass.getSuperclass();
            }
        }

        System.out.println( "possible targets:" );
        for ( int i=0; i<targets.size(); ++i )
        {
            // target
            String target = targets.get(i);
            // 'tab'
            System.out.print( "  " + target );
            for ( int s = maxTargetLength - target.length(); s>0; --s )
                System.out.print( " " );
            // description
            System.out.println( " (" + descs.get(i) + ")" );
        }
    }

    private static String getShortTestDescription( Class<?> _testClass )
    {
        java.lang.reflect.Method getShortDescriptionMethod = null;
        try { getShortDescriptionMethod = _testClass.getMethod( "getShortTestDescription", new Class[]{} ); }
        catch( Exception e ) { }

        if ( getShortDescriptionMethod != null )
        {
            try
            {
                return (String)getShortDescriptionMethod.invoke( null, new Object[]{} );
            }
            catch( Exception e ) { }
        }
        return "no description provided by the test";
    }
}
