/*
 * #%L
 * Protempa Framework
 * %%
 * Copyright (C) 2012 - 2013 Emory University
 * %%
 * Licensed 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.
 * #L%
 */
package org.protempa.cli;

import java.util.List;

import org.apache.commons.cli.CommandLine;
import org.protempa.KnowledgeSource;
import org.protempa.KnowledgeSourceReadException;
import org.protempa.PropositionDefinition;
import org.protempa.Protempa;

/**
 *
 * @author Andrew Post
 */
public class PrintIsA extends CLI {
    public PrintIsA() {
        super(new Argument[] {new Argument("propositionId", true)});
    }

    @Override
    public void execute(Protempa protempa, CommandLine commandLine)
            throws CLIException {
        String propositionId = commandLine.getArgs()[0];
        KnowledgeSource knowledgeSource = protempa.getKnowledgeSource();
        PropositionDefinition propDef;
        try {
            propDef = knowledgeSource.readPropositionDefinition(propositionId);
        } catch (KnowledgeSourceReadException ex) {
            throw new CLIException("Error reading proposition definition", ex);
        }
        if (propDef == null) {
            System.out.println("No proposition definition with id '" +
                    propositionId + "'");
        } else {
            try {
                List<PropositionDefinition> result =
                        knowledgeSource.readIsA(propDef);
                PropositionDefinitionPrinter printer =
                    new PropositionDefinitionPrinter();
                printer.visit(result);
            } catch (KnowledgeSourceReadException ex) {
                throw new CLIException("Error getting leaves", ex);
            }
        }
    }

    public static void main(String[] args) {
        PrintIsA pl = new PrintIsA();
        pl.processOptionsAndArgs(args);
        pl.initializeExecuteAndClose();
    }
}
