// Registry used by the player runtime to discover independently loaded region modules.

(function () {
  var root = window;
  var registry = root.pulsePlayerRegionTypes && typeof root.pulsePlayerRegionTypes === 'object' ? root.pulsePlayerRegionTypes : {};

  function normalizeType(type) {
    return String(type || '').trim().toLowerCase();
  }

  function register(type, definition) {
    registry[normalizeType(type)] = definition || {};
    return registry[normalizeType(type)];
  }

  function get(type) {
    return registry[normalizeType(type)] || null;
  }

  function list() {
    return Object.keys(registry).map(function (type) {
      return {
        type: type,
        definition: registry[type] || {}
      };
    });
  }

  root.pulsePlayerRegionTypes = {
    register: register,
    get: get,
    list: list
  };
}());