var SeriesModel = require("../../model/Series");

var createGraphFromNodeEdge = require("../helper/createGraphFromNodeEdge");

var createGraphFromNodeMatrix = require("../helper/createGraphFromNodeMatrix");

var ChordSeries = SeriesModel.extend({
  type: 'series.chord',
  getInitialData: function (option) {
    var edges = option.edges || option.links;
    var nodes = option.data || option.nodes;
    var matrix = option.matrix;

    if (nodes && edges) {
      var graph = createGraphFromNodeEdge(nodes, edges, this, true);
      return graph.data;
    } else if (nodes && matrix) {
      var graph = createGraphFromNodeMatrix(nodes, matrix, this, true);
      return graph.data;
    }
  },

  /**
   * @return {module:echarts/data/Graph}
   */
  getGraph: function () {
    return this.getData().graph;
  },

  /**
   * @return {module:echarts/data/List}
   */
  getEdgeData: function () {
    return this.getGraph().edgeData;
  },
  defaultOption: {
    center: ['50%', '50%'],
    radius: ['65%', '75%'],
    //
    // layout: 'circular',
    sort: 'none',
    sortSub: 'none',
    padding: 0.02,
    startAngle: 90,
    clockwise: true,
    itemStyle: {},
    emphasis: {
      itemStyle: {},
      chordStyle: {}
    },
    chordStyle: {}
  }
});
var _default = ChordSeries;
module.exports = _default;