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/*
 * 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.superbiz;


import org.tomitribe.crest.api.Command;
import org.tomitribe.crest.api.Option;
import org.tomitribe.crest.connector.api.CrestListener;

import javax.ejb.MessageDriven;

import java.util.Map;
import java.util.Properties;
import java.util.regex.Pattern;

@MessageDriven(name = "Fun")
public class FunBean implements CrestListener {

    private final Properties properties = new Properties();

    @Command("get")
    public String doGet(String key) {
        return properties.getProperty(key);
    }

    @Command("set")
    public String doSet(@Option({"key", "k"}) String key, @Option({"value", "v"}) String value) {

        final Object old = properties.setProperty(key, value);
        final StringBuilder sb = new StringBuilder();
        sb.append("set ").append(key).append(" to ").append(value);
        sb.append("\n");
        if (old != null) {
            sb.append("old value: ").append(old);
            sb.append("\n");
        }
        return sb.toString();
    }

    @Command("list")
    public String doList(@Option({"pattern", "p"}) Pattern pattern) {

        if (pattern == null) pattern = Pattern.compile(".*");
        final StringBuilder sb = new StringBuilder();
        for (Map.Entry entry : properties.entrySet()) {
            final String key = entry.getKey().toString();
            if (pattern.matcher(key).matches()) {
                sb.append(key).append(" = ").append(entry.getValue()).append("\n");
            }
        }
        return sb.toString();
    }
}