/*
 * 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.kubernetes.operator.metrics;

import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.metrics.scope.ScopeFormat;

import static org.apache.flink.kubernetes.operator.metrics.KubernetesOperatorMetricOptions.SCOPE_NAMING_KUBERNETES_OPERATOR;

/** Format for metrics. */
public class KubernetesOperatorScopeFormat extends ScopeFormat {

    public static final String NAMESPACE = asVariable("namespace");
    public static final String NAME = asVariable("name");

    public KubernetesOperatorScopeFormat(String format) {
        super(format, null, new String[] {NAMESPACE, NAME, SCOPE_HOST});
    }

    public String[] formatScope(String namespace, String name, String hostname) {
        final String[] template = copyTemplate();
        final String[] values = {namespace, name, hostname};
        return bindVariables(template, values);
    }

    public static KubernetesOperatorScopeFormat fromConfig(Configuration config) {
        String format = config.getString(SCOPE_NAMING_KUBERNETES_OPERATOR);
        return new KubernetesOperatorScopeFormat(format);
    }
}
