/*
* 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.
*/
export default function (ecModel) {
  ecModel.eachSeriesByType('map', function (seriesModel) {
    var colorList = seriesModel.get('color');
    var itemStyleModel = seriesModel.getModel('itemStyle');
    var areaColor = itemStyleModel.get('areaColor');
    var color = itemStyleModel.get('color') || colorList[seriesModel.seriesIndex % colorList.length];
    seriesModel.getData().setVisual({
      'areaColor': areaColor,
      'color': color
    });
  });
}