/*! Simple Analytics - Privacy friendly analytics (docs.simpleanalytics.com/script; 2020-06-29; bb25) */
// https://github.com/simpleanalytics/scripts/blob/21632405db31416d07006226cfb52cd348f73691/src/default.js

(function (window, baseUrl) {
  if (!window) return;

  try {
    // Generate the needed variables, this seems like a lot of repetition, but it
    // makes our script availble for multple destination which prevents us to
    // need multiple scripts. The minified version stays small.
    var version = 4;
    var functionName = "sa_event";
    var pageviewsText = "pageview";
    var https = "https:";
    var protocol = https + "//";
    var slash = "/";
    var fullApiUrl = protocol + baseUrl;
    var doc = window.document;
    var nav = window.navigator;
    var screen = window.screen;
    var loc = window.location;
    var locationHostname = loc.hostname;
    var userAgent = nav.userAgent;
    var documentElement = doc.documentElement || {};
    var addEventListenerFunc = window.addEventListener;
    var encodeURIComponentFunc = encodeURIComponent;
    var decodeURIComponentFunc = decodeURIComponent;
    // var stringify = JSON.stringify;
    var thousand = 1000;
    var undefinedVar = undefined;
    var language = "language";
    var Height = "Height";
    var Width = "Width";
    var scroll = "scroll";
    var scrollHeight = scroll + Height;
    var offsetHeight = "offset" + Height;
    var clientHeight = "client" + Height;
    var clientWidth = "client" + Width;

    var payload = {
      version: version,
    };

    var options = {
      hostname: locationHostname,
      functionName: functionName,
    };

    var bot = /(bot|spider|crawl)/i.test(userAgent);
    if (bot) payload.bot = true;

    payload.hostname = options.hostname;

    // A simple log function so the user knows why a request is not being sent, uncomment for debugging
    // var warn = function (message) {
    //   if (console && console.warn) console.warn("Simple Analytics:", message);
    // };

    var now = Date.now;

    var uuid = function () {
      var cryptoObject = window.crypto || window.msCrypto;
      var emptyUUID = [1e7] + -1e3 + -4e3 + -8e3 + -1e11;
      var uuidRegex = /[018]/g;

      try {
        return emptyUUID.replace(uuidRegex, function (c) {
          return (c ^ (cryptoObject.getRandomValues(new Uint8Array(1))[0] & (15 >> (c / 4)))).toString(16); // eslint-disable-line compat/compat
        });
      } catch (error) {
        return emptyUUID.replace(uuidRegex, function (c) {
          var r = (Math.random() * 16) | 0,
            v = c < 2 ? r : (r & 0x3) | 0x8;
          return v.toString(16);
        });
      }
    };

    var assign = function () {
      var to = {};
      for (var index = 0; index < arguments.length; index++) {
        var nextSource = arguments[index];
        if (nextSource) {
          for (var nextKey in nextSource) {
            if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
              to[nextKey] = nextSource[nextKey];
            }
          }
        }
      }
      return to;
    };

    var getParams = function (regex) {
      // From the search we grab the utm_source and ref and save only that
      var matches = loc.search.match(new RegExp("[?&](" + regex + ")=([^?&]+)", "gi"));
      var match = matches
        ? matches.map(function (m) {
            return m.split("=")[1];
          })
        : [];
      if (match && match[0]) return match[0];
    };

    // Send data via image
    function sendData(data, callback) {
      data = assign(payload, data);
      var image = new Image();
      if (callback) {
        image.onerror = callback;
        image.onload = callback;
      }
      image.src =
        fullApiUrl +
        "?" +
        Object.keys(data)
          .filter(function (key) {
            return data[key] != undefinedVar;
          })
          .map(function (key) {
            return encodeURIComponentFunc(key) + "=" + encodeURIComponentFunc(data[key]);
          })
          .join("&");
    }

    /** if duration **/
    var duration = "duration";
    var start = now();
    /** endif **/

    /** if scroll **/
    var scrolled = 0;
    /** endif **/

    // This code could error on not having resolvedOptions in the Android Webview, that's why we use try...catch
    var timezone;
    try {
      timezone = Intl.DateTimeFormat().resolvedOptions().timeZone; // eslint-disable-line compat/compat
    } catch (e) {
      /* Do nothing */
    }

    // When a customer overwrites the hostname, we need to know what the original
    // hostname was to hide that domain from referrer traffic
    if (options.hostname !== locationHostname) payload.hostname_original = locationHostname;

    var page = {};
    var lastPageId = uuid();
    var lastSendPath;

    // We don't want to end up with sensitive data so we clean the referrer URL
    var referrer =
      (doc.referrer || "")
        .replace(locationHostname, locationHostname)
        .replace(/^https?:\/\/((m|l|w{2,3}([0-9]+)?)\.)?([^?#]+)(.*)$/, "$4")
        .replace(/^([^/]+)$/, "$1") || undefinedVar;

    // The prefix utm_ is optional
    var utmRegexPrefix = "(utm_)?";
    var source = {
      source: getParams(utmRegexPrefix + "source|ref"),
      medium: getParams(utmRegexPrefix + "medium"),
      campaign: getParams(utmRegexPrefix + "campaign"),
      term: getParams(utmRegexPrefix + "term"),
      content: getParams(utmRegexPrefix + "content"),
      referrer: referrer,
    };

    // We don't put msHidden in if duration block, because it's used outside of that functionality
    var msHidden = 0;

    /** if duration **/
    var hiddenStart;
    window.addEventListener(
      "visibilitychange",
      function () {
        if (doc.hidden) hiddenStart = now();
        else msHidden += now() - hiddenStart;
      },
      false
    );
    /** endif **/

    // var sendBeaconText = "sendBeacon";

    var sendOnLeave = function (id, push) {
      var append = { type: "append", original_id: push ? id : lastPageId };

      /** if duration **/
      append[duration] = Math.round((now() - start + msHidden) / thousand);
      msHidden = 0;
      start = now();
      /** endif **/

      /** if scroll **/
      append.scrolled = Math.max(0, scrolled, position());
      /** endif **/

      // if (push || !(sendBeaconText in nav)) {
      sendData(append);
      // } else {
      //   nav[sendBeaconText](fullApiUrl + "/append", stringify(assign(payload, append)));
      // }
    };

    // https://developers.google.com/web/updates/2018/07/page-lifecycle-api#the-unload-event
    var terminationEvent = "onpagehide" in self ? "pagehide" : "unload";
    addEventListenerFunc(terminationEvent, sendOnLeave, false);
    // addEventListenerFunc("unload", sendOnLeave, false);

    /** if scroll **/
    var body = doc.body || {};
    var position = function () {
      try {
        var documentClientHeight = documentElement[clientHeight] || 0;
        var height = Math.max(
          body[scrollHeight] || 0,
          body[offsetHeight] || 0,
          documentElement[clientHeight] || 0,
          documentElement[scrollHeight] || 0,
          documentElement[offsetHeight] || 0
        );
        return Math.min(
          100,
          Math.round((100 * ((documentElement.scrollTop || 0) + documentClientHeight)) / height / 5) * 5
        );
      } catch (error) {
        return 0;
      }
    };

    addEventListenerFunc("load", function () {
      scrolled = position();
      addEventListenerFunc(
        scroll,
        function () {
          if (scrolled < position()) scrolled = position();
        },
        false
      );
    });
    /** endif **/

    var getPath = function (overwrite) {
      var path = overwrite || decodeURIComponentFunc(loc.pathname);

      return path;
    };

    // Send page view and append data to it
    var sendPageView = function (isPushState, deleteSourceInfo, sameSite) {
      if (isPushState) sendOnLeave("" + lastPageId, true);
      lastPageId = uuid();
      page.id = lastPageId;

      var currentPage = locationHostname + getPath();

      sendData(
        assign(
          page,
          deleteSourceInfo
            ? {
                referrer: sameSite ? referrer : null,
              }
            : source,
          {
            https: loc.protocol == https,
            timezone: timezone,
            type: pageviewsText,
          }
        )
      );

      referrer = currentPage;
    };

    var pageview = function (isPushState, pathOverwrite) {
      // Obfuscate personal data in URL by dropping the search and hash
      var path = getPath(pathOverwrite);

      // Don't send the last path again (this could happen when pushState is used to change the path hash or search)
      if (lastSendPath == path) return;

      lastSendPath = path;

      var data = {
        path: path,
        viewport_width: Math.max(documentElement[clientWidth] || 0, window.innerWidth || 0) || null,
        viewport_height: Math.max(documentElement[clientHeight] || 0, window.innerHeight || 0) || null,
      };

      if (nav[language]) data[language] = nav[language];

      if (screen) {
        data.screen_width = screen.width;
        data.screen_height = screen.height;
      }

      // If a user does refresh we need to delete the referrer because otherwise it count double
      var perf = window.performance; // eslint-disable-line compat/compat
      var navigation = "navigation";

      // Check if back, forward or reload buttons are being used in modern browsers
      var userNavigated =
        perf &&
        perf.getEntriesByType &&
        perf.getEntriesByType(navigation)[0] &&
        perf.getEntriesByType(navigation)[0].type
          ? ["reload", "back_forward"].indexOf(perf.getEntriesByType(navigation)[0].type) > -1
          : // Check if back, forward or reload buttons are being use in older browsers
            // 1: TYPE_RELOAD, 2: TYPE_BACK_FORWARD
            perf && perf[navigation] && [1, 2].indexOf(perf[navigation].type) > -1;

      // Check if referrer is the same as current hostname
      var sameSite = referrer ? referrer.split(slash)[0] == locationHostname : false;

      /** if uniques **/
      // We set unique variable based on pushstate or back navigation, if no match we check the referrer
      data.unique = isPushState || userNavigated ? false : !sameSite;
      /** endif **/

      page = data;

      sendPageView(isPushState, isPushState || userNavigated, sameSite);
    };

    pageview();

    /** if events **/
    var sessionId = uuid();
    var validTypes = ["string", "number"];

    var sendEvent = function (event, callbackRaw) {
      var isFunction = event instanceof Function;
      var callback = callbackRaw instanceof Function ? callbackRaw : function () {};

      if (validTypes.indexOf(typeof event) < 0 && !isFunction) {
        // warn("event is not a string: " + event);
        return callback();
      }

      try {
        if (isFunction) {
          event = event();
          if (validTypes.indexOf(typeof event) < 0) {
            // warn("event function output is not a string: " + event);
            return callback();
          }
        }
      } catch (error) {
        // warn("in your event function: " + error.message);
        return callback();
      }

      event = ("" + event).replace(/[^a-z0-9]+/gi, "_").replace(/(^_|_$)/g, "");

      if (event)
        sendData(
          assign(source, bot ? { bot: true } : {}, {
            type: "event",
            event: event,
            page_id: page.id,
            session_id: sessionId,
          }),
          callback
        );
    };

    var defaultEventFunc = function (event, callback) {
      sendEvent(event, callback);
    };

    // Set default function if user didn't define a function
    if (!window[options.functionName]) window[options.functionName] = defaultEventFunc;

    var eventFunc = window[options.functionName];

    // Read queue of the user defined function
    var queue = eventFunc && eventFunc.q ? eventFunc.q : [];

    // Overwrite user defined function
    window[options.functionName] = defaultEventFunc;

    // Post events from the queue of the user defined function
    for (var event in queue) sendEvent(queue[event]);
    /** endif **/
  } catch (e) {
    console.warn(e);
  }
})(window, "{{ (urls.Parse .Site.BaseURL).Host }}/api/send_view");