/*
 * Copyright (c) 2022-2023 nosqlbench
 *
 * Licensed 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 io.nosqlbench.nb.api.labels;

import java.util.Map;

public interface NBLabeledElement {

    NBLabeledElement EMPTY = forKV();

    static NBLabeledElement forKV(final String... labelData) {
        return new BasicLabeledElement(labelData);
    }

    static NBLabeledElement forMap(final Map<String, String> labels) {
        return new BasicLabeledElement(labels);
    }

    NBLabels getLabels();
    class BasicLabeledElement implements NBLabeledElement {
        private final NBLabels labels;
        public BasicLabeledElement(final String... kvs) {
            labels=NBLabels.forKV((Object[]) kvs);
        }

        public BasicLabeledElement(final Map<String, String> labels) {
            this.labels = NBLabels.forMap(labels);
        }

        @Override
        public NBLabels getLabels() {
            return this.labels;
        }
    }

    default String description() {
        return this.getClass().getSimpleName() + ((this.getLabels()!=null) ? " " + this.getLabels().linearizeAsMetrics() : " {NOLABELS}");
    }
}
