/*
 * 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.nifi.toolkit.cli.impl.command.nifi.params;

import org.apache.commons.cli.MissingOptionException;
import org.apache.nifi.toolkit.cli.api.CommandException;
import org.apache.nifi.toolkit.cli.api.Context;
import org.apache.nifi.toolkit.cli.impl.client.nifi.NiFiClient;
import org.apache.nifi.toolkit.cli.impl.client.nifi.NiFiClientException;
import org.apache.nifi.toolkit.cli.impl.client.nifi.ParamContextClient;
import org.apache.nifi.toolkit.cli.impl.command.CommandOption;
import org.apache.nifi.toolkit.cli.impl.command.nifi.AbstractNiFiCommand;
import org.apache.nifi.toolkit.cli.impl.result.StringResult;
import org.apache.nifi.web.api.entity.ParameterContextEntity;

import java.io.IOException;
import java.util.Properties;

public class DeleteParamContext extends AbstractNiFiCommand<StringResult> {

    public DeleteParamContext() {
        super("delete-param-context", StringResult.class);
    }

    @Override
    public String getDescription() {
        return "Deletes a parameter context.";
    }

    @Override
    protected void doInitialize(Context context) {
        super.doInitialize(context);
        addOption(CommandOption.PARAM_CONTEXT_ID.createOption());
    }

    @Override
    public StringResult doExecute(NiFiClient client, Properties properties)
            throws NiFiClientException, IOException, MissingOptionException, CommandException {
        final String paramContextId = getRequiredArg(properties, CommandOption.PARAM_CONTEXT_ID);

        final ParamContextClient paramContextClient = client.getParamContextClient();
        final ParameterContextEntity existingParamContext = paramContextClient.getParamContext(paramContextId, false);

        final String version = String.valueOf(existingParamContext.getRevision().getVersion());
        paramContextClient.deleteParamContext(paramContextId, version);
        return new StringResult(paramContextId, isInteractive());
    }

}
