var _util = require("@okfe/zrender/lib/core/util");

var createHashMap = _util.createHashMap;

/*
* 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.
*/

/**
 * @file Visual encoding for themeRiver view
 * @author  Deqing Li(annong035@gmail.com)
 */
function _default(ecModel) {
  ecModel.eachSeriesByType('themeRiver', function (seriesModel) {
    var data = seriesModel.getData();
    var rawData = seriesModel.getRawData();
    var colorList = seriesModel.get('color');
    var idxMap = createHashMap();
    data.each(function (idx) {
      idxMap.set(data.getRawIndex(idx), idx);
    });
    rawData.each(function (rawIndex) {
      var name = rawData.getName(rawIndex);
      var color = colorList[(seriesModel.nameMap.get(name) - 1) % colorList.length];
      rawData.setItemVisual(rawIndex, 'color', color);
      var idx = idxMap.get(rawIndex);

      if (idx != null) {
        data.setItemVisual(idx, 'color', color);
      }
    });
  });
}

module.exports = _default;