var zrUtil = require("zrender/lib/core/util");

var coordinateSystemCreators = {};

function CoordinateSystemManager() {
  this._coordinateSystems = [];
}

CoordinateSystemManager.prototype = {
  constructor: CoordinateSystemManager,
  create: function (ecModel, api) {
    var coordinateSystems = [];
    zrUtil.each(coordinateSystemCreators, function (creater, type) {
      var list = creater.create(ecModel, api);
      coordinateSystems = coordinateSystems.concat(list || []);
    });
    this._coordinateSystems = coordinateSystems;
  },
  update: function (ecModel, api) {
    zrUtil.each(this._coordinateSystems, function (coordSys) {
      coordSys.update && coordSys.update(ecModel, api);
    });
  },
  getCoordinateSystems: function () {
    return this._coordinateSystems.slice();
  }
};

CoordinateSystemManager.register = function (type, coordinateSystemCreator) {
  coordinateSystemCreators[type] = coordinateSystemCreator;
};

CoordinateSystemManager.get = function (type) {
  return coordinateSystemCreators[type];
};

var _default = CoordinateSystemManager;
module.exports = _default;