/*
 * 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.apache.jackrabbit.vault.cli;

import java.io.File;
import java.util.List;

import org.apache.commons.cli2.Argument;
import org.apache.commons.cli2.CommandLine;
import org.apache.commons.cli2.Option;
import org.apache.commons.cli2.builder.ArgumentBuilder;
import org.apache.commons.cli2.builder.CommandBuilder;
import org.apache.commons.cli2.builder.DefaultOptionBuilder;
import org.apache.commons.cli2.builder.GroupBuilder;
import org.apache.commons.cli2.option.Command;
import org.apache.jackrabbit.vault.vlt.VltContext;
import org.apache.jackrabbit.vault.vlt.actions.PropGet;

/**
 * Implements the 'export' command.
 *
 */
public class CmdPropGet extends AbstractVaultCommand {

    private Option optRecursive;
    private Argument argLocalPath;
    private Argument argPropName;

    @SuppressWarnings("unchecked")
    protected void doExecute(VaultFsApp app, CommandLine cl) throws Exception {
        List<String> localPaths = cl.getValues(argLocalPath);
        List<File> localFiles = app.getPlatformFiles(localPaths, false);
        File localDir = app.getPlatformFile("", true);

        VltContext vCtx = app.createVaultContext(localDir);
        vCtx.setQuiet(cl.hasOption(OPT_QUIET));
        PropGet a = new PropGet(localDir, localFiles, !cl.hasOption(optRecursive), (String) cl.getValue(argPropName));
        vCtx.execute(a);
    }

    /**
     * {@inheritDoc}
     */
    public String getShortDescription() {
        return "Print the value of a property on files or directories.";
    }

    protected Command createCommand() {
        return new CommandBuilder()
                .withName("propget")
                .withName("pg")
                .withDescription(getShortDescription())
                .withChildren(new GroupBuilder()
                        .withName("Options:")
                        .withOption(OPT_QUIET)
                        .withOption(
                                optRecursive = new DefaultOptionBuilder()
                                        .withShortName("R")
                                        .withLongName("recursive")
                                        .withDescription("descend recursively")
                                        .create())
                        .withOption(
                                argPropName = new ArgumentBuilder()
                                        .withName("propname")
                                        .withDescription("the property name")
                                        .withMinimum(1)
                                        .withMaximum(1)
                                        .create())
                        .withOption(
                                argLocalPath = new ArgumentBuilder()
                                        .withName("file")
                                        .withDescription("file or directory to get the property from")
                                        .withMinimum(1)
                                        .create())
                        .create())
                .create();
    }
}
