export var CircleMarker = Path.extend({
  options: {
    fill: true,
    radius: 10,
  },
  initialize: function (latlng, options) {
    Util.setOptions(this, options);
    this._latlng = toLatLng(latlng);
    this._radius = this.options.radius;
  },
  setLatLng: function (latlng) {
    var oldLatLng = this._latlng;
    this._latlng = toLatLng(latlng);
    this.redraw();
    return this.fire("move", { oldLatLng: oldLatLng, latlng: this._latlng });
  },
  getLatLng: function () {
    return this._latlng;
  },
  setRadius: function (radius) {
    this.options.radius = this._radius = radius;
    return this.redraw();
  },
  getRadius: function () {
    return this._radius;
  },
  setStyle: function (options) {
    var radius = (options && options.radius) || this._radius;
    Path.prototype.setStyle.call(this, options);
    this.setRadius(radius);
    return this;
  },
  _project: function () {
    this._point = this._map.latLngToLayerPoint(this._latlng);
    this._updateBounds();
  },
  _updateBounds: function () {
    var r = this._radius,
      r2 = this._radiusY || r,
      w = this._clickTolerance(),
      p = [r + w, r2 + w];
    this._pxBounds = new Bounds(this._point.subtract(p), this._point.add(p));
  },
  _update: function () {
    if (this._map) {
      this._updatePath();
    }
  },
  _updatePath: function () {
    this._renderer._updateCircle(this);
  },
  _empty: function () {
    return this._radius && !this._renderer._bounds.intersects(this._pxBounds);
  },
  _containsPoint: function (p) {
    return p.distanceTo(this._point) <= this._radius + this._clickTolerance();
  },
});

export function circleMarker(latlng, options) {
  return new CircleMarker(latlng, options);
}