/*
 * 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.flink.runtime.entrypoint;

import org.apache.flink.runtime.entrypoint.parser.ParserResultFactory;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Options;

import javax.annotation.Nonnull;

import java.util.Properties;

import static org.apache.flink.runtime.entrypoint.parser.CommandLineOptions.CONFIG_DIR_OPTION;
import static org.apache.flink.runtime.entrypoint.parser.CommandLineOptions.DYNAMIC_PROPERTY_OPTION;
import static org.apache.flink.runtime.entrypoint.parser.CommandLineOptions.EXECUTION_MODE_OPTION;
import static org.apache.flink.runtime.entrypoint.parser.CommandLineOptions.HOST_OPTION;
import static org.apache.flink.runtime.entrypoint.parser.CommandLineOptions.REST_PORT_OPTION;

/** Parser factory for {@link EntrypointClusterConfiguration}. */
public class EntrypointClusterConfigurationParserFactory
        implements ParserResultFactory<EntrypointClusterConfiguration> {

    @Override
    public Options getOptions() {
        final Options options = new Options();
        options.addOption(CONFIG_DIR_OPTION);
        options.addOption(REST_PORT_OPTION);
        options.addOption(DYNAMIC_PROPERTY_OPTION);
        options.addOption(HOST_OPTION);
        options.addOption(EXECUTION_MODE_OPTION);

        return options;
    }

    @Override
    public EntrypointClusterConfiguration createResult(@Nonnull CommandLine commandLine) {
        final String configDir = commandLine.getOptionValue(CONFIG_DIR_OPTION.getOpt());
        final Properties dynamicProperties =
                commandLine.getOptionProperties(DYNAMIC_PROPERTY_OPTION.getOpt());
        final String restPortStr = commandLine.getOptionValue(REST_PORT_OPTION.getOpt(), "-1");
        final int restPort = Integer.parseInt(restPortStr);
        final String hostname = commandLine.getOptionValue(HOST_OPTION.getOpt());

        return new EntrypointClusterConfiguration(
                configDir, dynamicProperties, commandLine.getArgs(), hostname, restPort);
    }
}
