/*
 * 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.
 */

package org.codehaus.mojo.archetypeng.generator;

import org.codehaus.mojo.archetypeng.ArchetypeConfiguration;

import org.codehaus.plexus.components.interactivity.Prompter;
import org.codehaus.plexus.components.interactivity.PrompterException;
import org.codehaus.plexus.logging.AbstractLogEnabled;

import java.util.Iterator;

/**
 * @plexus.component
 */
public class DefaultArchetypeGenerationQueryer
extends AbstractLogEnabled
implements ArchetypeGenerationQueryer
{
    /**
     * @plexus.requirement
     */
    private Prompter prompter;

    public boolean confirmConfiguration ( ArchetypeConfiguration archetypeConfiguration )
    throws PrompterException
    {
        String query = "Confirm properties configuration:\n";

        Iterator requiredPropertiesIter =
            archetypeConfiguration.getRequiredProperties ().iterator ();

        while ( requiredPropertiesIter.hasNext () )
        {
            String property = (String) requiredPropertiesIter.next ();
            query += property + ": " + archetypeConfiguration.getProperty ( property ) + "\n";
        }

        String answer = prompter.prompt ( query, "Y" );

        return "Y".equalsIgnoreCase ( answer );
    }

    public String getPropertyValue ( String requiredProperty, String defaultValue )
    throws PrompterException
    {
        String query = "Define value for " + requiredProperty + ": ";
        String answer;

        if ( ( defaultValue != null ) && !defaultValue.equals ( "null" ) )
        {
            answer = prompter.prompt ( query, defaultValue );
        }
        else
        {
            answer = prompter.prompt ( query );
        }
        return answer;
    }
}