(function (ns, $) {
  'use strict';

  function element() {
    return $('#poi-audio')[0];
  }

  function unload() {
    const audio = element();
    audio.pause();
    audio.removeAttribute('src');
    audio.load();
    $(audio).prop('hidden', true);
  }

  ns.AudioPlayer = {
    load(url) {
      unload();
      if (!url) return;

      const audio = element();
      audio.src = url;
      $(audio).prop('hidden', false);
      audio.load();
    },

    play() {
      const audio = element();
      if (audio.getAttribute('src')) return audio.play();
      return Promise.resolve();
    },

    pause() {
      element().pause();
    },

    unload
  };
}(window.Wegwichtel, window.jQuery));