/*
 * 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.oak.console.commands

import org.apache.jackrabbit.guava.common.collect.Iterables
import groovy.transform.CompileStatic
import org.apache.jackrabbit.oak.console.ConsoleSession
import org.codehaus.groovy.tools.shell.CommandSupport
import org.codehaus.groovy.tools.shell.Groovysh

@CompileStatic
class LsCommand extends CommandSupport{
    public static final String COMMAND_NAME = 'list'

    public LsCommand(Groovysh shell) {
        super(shell, COMMAND_NAME, 'ls')
    }

    @Override
    Object execute(List<String> args) {
        int limit = args ? args[0] as int : 50
        def count = 0
        Iterables.limit(session.workingNode.childNodeNames, limit).each {
            count++
            io.out.println(it)
        }

        if(count == limit){
            io.out.println("More than $limit children found...")
        }
        return null
    }

    ConsoleSession getSession(){
        return (ConsoleSession)variables.session
    }
}
