(function ($) {
  /**
   * @param {object} _options
   */
  $.fn.share = function (_options) {
    var options = {
      type: '',
      types: {
        facebook: {
          url: 'https://www.facebook.com/sharer/sharer.php?u=',
          textOption: false
        },
        twitter_x: {
          url: 'https://twitter.com/share?url=',
          textOption: 'text='
        },
      },
      excerptClass: 'excerpt'
    };

    $.extend(options, _options);

    this.click(function (e) {
      e.preventDefault();
      var type = options.types[options.type];
      if (type !== undefined) {
        var extra = '';
        if (type.textOption) {
          var text = $('.' + options.excerptClass).text();
          if (text.length + location.href.length > 278) {
            text = text.substring(0, 278 - (location.href.length + 3))  + '...';
          }
          extra = '&' + type.textOption + encodeURI(text);
        }
        window.open(type.url + encodeURI(location.href) + extra, "pop", "width=600, height=400, scrollbars=no");
      } else {
        console.error(options.type + ' is unknown');
      }
    });
  };

}(jQuery));

$(function () {
  $('[data-share]').each(function () {
    $(this).share({type: $(this).data('share')});
  });
});