(function (global, factory) {
  if (typeof exports === 'object' && typeof module !== 'undefined') {
    module.exports = factory();
  } else if (typeof define === 'function' && define.amd) {
    define([], factory);
  } else {
    if (typeof exports === 'object') {
      exports.WebflowTools = factory();
    } else {
      global.WebflowTools = factory();
    }
  }
}(self, function () {
  'use strict';

  var exports = {};

  exports.URLS = {};
  exports.SUMMARY_ATTR = 'summary';
  exports.TITLE_ATTR = 'title';
  exports.SHARE_URL_ATTR = 'r-share-url';
  exports.SHARE_FACEBOOK_ATTR = 'r-share-facebook';
  exports.SHARE_TWITTER_ATTR = 'r-share-twitter';
  exports.SHARE_LINKEDIN_ATTR = 'r-share-linkedin';
  exports.SHARE_WHATSAPP_ATTR = 'r-share-whatsapp';

  exports.SHARE_URL_ATTR = 'r-share-url';

  exports.URLS = {
    tw: 'https://twitter.com/share?',
    wa: 'whatsapp://send?',
    fb: 'https://www.facebook.com/sharer/sharer.php?',
    in: 'https://www.linkedin.com/shareArticle?mini=true&'
  };

  var _exports = exports;

  function requireModule(moduleId) {
    var cachedModule = _exports[moduleId];
    if (cachedModule !== undefined) {
      return cachedModule.exports;
    }

    var module = _exports[moduleId] = { exports: {} };
    requireModule(moduleId, module, requireModule);

    return module.exports;
  }

  var _requireModule = requireModule;

  function _require(moduleId) {
    return _requireModule(moduleId).exports;
  }

  (function () {
    var exports = _exports;

    function getAttributes(element) {
      return {
        title: element.getAttribute(exports.TITLE_ATTR) || '',
        summary: element.getAttribute(exports.SUMMARY_ATTR) || ''
      };
    }

    function generateUrl(platform, data) {
      var params;
      if (platform === 'fb') {
        params = { u: window.location.href, title: data.title || document.title };
      } else if (platform === 'wa') {
        params = { text: window.location.href, title: data.title || document.title };
      } else {        
        params = { url: window.location.href, title: data.title || document.title, summary: data.summary || '' };
      }

      var queryParams = new URLSearchParams(params).toString();
      return exports.URLS[platform] + queryParams;
    }

    document.querySelectorAll('[' + exports.SHARE_TWITTER_ATTR + ']').forEach(function (element) {
      var attributes = getAttributes(element);
      element.setAttribute('href', generateUrl('tw', attributes));
    });

    document.querySelectorAll('[' + exports.SHARE_WHATSAPP_ATTR + ']').forEach(function (element) {
      var attributes = getAttributes(element);
      element.setAttribute('href', generateUrl('wa', attributes));
    });

    document.querySelectorAll('[' + exports.SHARE_FACEBOOK_ATTR + ']').forEach(function (element) {
      var attributes = getAttributes(element);
      element.setAttribute('href', generateUrl('fb', attributes));
    });

    document.querySelectorAll('[' + exports.SHARE_LINKEDIN_ATTR + ']').forEach(function (element) {
      var attributes = getAttributes(element);
      element.setAttribute('href', generateUrl('in', attributes));
    });

    document.querySelectorAll('[' + exports.SHARE_URL_ATTR + ']').forEach(function (element) {
      var currentUrl = window.location.href;
      element.addEventListener('click', function () {
        var tempInput = document.createElement('input');
        document.body.appendChild(tempInput);
        tempInput.value = currentUrl;
        tempInput.select();
        tempInput.setSelectionRange(0, 99999);
        navigator.clipboard.writeText(tempInput.value);
        document.body.removeChild(tempInput);
      });
    });
  })();

  return exports;
}));