function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

/**
 * @fileOverview 多边形
 * @author dxq613@gmail.com
 */
var GeomBase = require('./base');

var Util = require('../util');

require('./shape/polygon');

var Polygon = /*#__PURE__*/function (_GeomBase) {
  _inheritsLoose(Polygon, _GeomBase);

  function Polygon() {
    return _GeomBase.apply(this, arguments) || this;
  }

  var _proto = Polygon.prototype;

  /**
   * 获取默认的配置属性
   * @protected
   * @return {Object} 默认属性
   */
  _proto.getDefaultCfg = function getDefaultCfg() {
    var cfg = _GeomBase.prototype.getDefaultCfg.call(this);

    cfg.type = 'polygon';
    cfg.shapeType = 'polygon';
    cfg.generatePoints = true;
    return cfg;
  };

  _proto.createShapePointsCfg = function createShapePointsCfg(obj) {
    var cfg = _GeomBase.prototype.createShapePointsCfg.call(this, obj);

    var self = this;
    var x = cfg.x;
    var y = cfg.y;
    var temp;

    if (!(Util.isArray(x) && Util.isArray(y))) {
      // x y 都是数组时，不做处理
      var xScale = self.getXScale();
      var yScale = self.getYScale();
      var xCount = xScale.values ? xScale.values.length : xScale.ticks.length;
      var yCount = yScale.values ? yScale.values.length : yScale.ticks.length;
      var xOffset = 0.5 * 1 / xCount;
      var yOffset = 0.5 * 1 / yCount;

      if (xScale.isCategory && yScale.isCategory) {
        // 如果x,y都是分类
        x = [x - xOffset, x - xOffset, x + xOffset, x + xOffset];
        y = [y - yOffset, y + yOffset, y + yOffset, y - yOffset];
      } else if (Util.isArray(x)) {
        // x 是数组
        temp = x;
        x = [temp[0], temp[0], temp[1], temp[1]];
        y = [y - yOffset / 2, y + yOffset / 2, y + yOffset / 2, y - yOffset / 2];
      } else if (Util.isArray(y)) {
        // y 是数组
        temp = y;
        y = [temp[0], temp[1], temp[1], temp[0]];
        x = [x - xOffset / 2, x - xOffset / 2, x + xOffset / 2, x + xOffset / 2];
      }

      cfg.x = x;
      cfg.y = y;
    }

    return cfg;
  };

  return Polygon;
}(GeomBase);

GeomBase.Polygon = Polygon;
module.exports = Polygon;