text: /*
   * SPDX-License-Identifier: Apache-2.0
   *
   * The OpenSearch Contributors require contributions made to
   * this file be licensed under the Apache-2.0 license or a
   * compatible open source license.
   */
  
  /*
   * Licensed to Elasticsearch B.V. under one or more contributor
   * license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright
   * ownership. Elasticsearch B.V. 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.
   */
  
  /*
   * Modifications Copyright OpenSearch Contributors. See
   * GitHub history for details.
   */
  
  import Color from 'color';
  import { calculateLabel } from '../../../../common/calculate_label';
  import _ from 'lodash';
  import { getLastMetric } from './get_last_metric';
  import { getSplitColors } from './get_split_colors';
  import { formatKey } from './format_key';
  
  const getTimeSeries = (resp, series) =>
    _.get(resp, `aggregations.timeseries`) || _.get(resp, `aggregations.${series.id}.timeseries`);
  
  export function getSplits(resp, panel, series, meta) {
    if (!meta) {
      meta = _.get(resp, `aggregations.${series.id}.meta`);
    }
  
    const color = new Color(series.color);
    const metric = getLastMetric(series);
    const buckets = _.get(resp, `aggregations.${series.id}.buckets`);
    if (buckets) {
      if (Array.isArray(buckets)) {
        const size = buckets.length;
        const colors = getSplitColors(series.color, size, series.split_color_mode);
        return buckets.map((bucket) => {
          bucket.id = `${series.id}:${bucket.key}`;
          bucket.label = formatKey(bucket.key, series);
          bucket.labelFormatted = bucket.key_as_string || '';
          bucket.color = panel.type === 'top_n' ? color.string() : colors.shift();
          bucket.meta = meta;
          return bucket;
        });
      }
  
      if (series.split_mode === 'filters' && _.isPlainObject(buckets)) {
        return series.split_filters.map((filter) => {
          const bucket = _.get(resp, `aggregations.${series.id}.buckets.${filter.id}`);
          bucket.id = `${series.id}:${filter.id}`;
          bucket.key = filter.id;
          bucket.color = filter.color;
          bucket.label = filter.label || filter.filter.query || '*';
          bucket.meta = meta;
          return bucket;
        });
      }
    }
  
    const timeseries = getTimeSeries(resp, series);
  
    const mergeObj = {
      timeseries,
    };
    series.metrics
      .filter((m) => /_bucket/.test(m.type))
      .forEach((m) => {
        mergeObj[m.id] = _.get(resp, `aggregations.${series.id}.${m.id}`);
      });
    return [
      {
        id: series.id,
        label: series.label || calculateLabel(metric, series.metrics),
        color: color.string(),
        ...mergeObj,
        meta,
      },
    ];
  }
  