//
// 'View on Flickriver' Greasemonkey script v1.4
//
// Written by Alex Sirota (http://iosart.com/)
//
// Copyright Alex Sirota (c) 2007-2010 All Rights Reserved
//
//
(function () {
  function g(t, e) {
    if (typeof e === 'undefined') {
      e = document;
    }
    const u = document.evaluate("//*[@class='" + t + "']", e, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
    return u.snapshotLength > 0 ? u.snapshotItem(0) : null;
  }

  function m(e) {
    if (
      e.match(/photos\/([^/]+)\/?$/) ||
      e.match(/photos\/([^/]+)\/page[0-9]+\/?$/) ||
      e.match(/people\/([^/]+)\/?$/) ||
      e.match(/photos\/([^/]+)\/popular-interesting\/?$/) ||
      e.match(/photos\/([^/]+)\/sets\/?$/) ||
      e.match(/photos\/([^/]+)\/tags\/?$/) ||
      e.match(/photos\/([^/]+)\/sets\/([^/]+)\/?$/) ||
      e.match(/photos\/([^/]+)\/tags\/([^/]+)\/?$/) ||
      e.match(/photos\/([^/]+)\/favorites\/?$/) ||
      e.match(/photos\/([^/]+)\/friends\/?$/)
    ) {
      return true;
    }
    return false;
  }

  function k(e) {
    if (e.match(/photos\/?$/) || e.match(/photos\/tags\/([^/]+)\/?$/) || e.match(/photos\/tags\/interesting\/?$/)) {
      return true;
    }
    return false;
  }

  function n(e) {
    if (e.match(/photos\/([^/]+)\/([0-9]+)\/?$/) || e.match(/photos\/([^/]+)\/([0-9]+)\/in\/[^/]+\/?$/)) {
      return true;
    }
    return false;
  }

  function c(e) {
    if (e.match(/groups\/([^/]+)\/?$/) || e.match(/groups\/([^/]+)\/pool\/page[0-9]+\/?$/) || e.match(/groups\/([^/]+)\/pool\/?$/)) {
      return true;
    }
    return false;
  }

  function s(e) {
    if (e.match(/explore\/?$/)) {
      return true;
    }
    return false;
  }

  function b(e) {
    const u = g('Extras');
    e = e.cloneNode(true);
    if (u) {
      const t = document.createElement('style');
      t.innerHTML =
        '.flickriver-extras-link, .flickriver-extras-link:visited, .flickriver-extras-link:link { font-size: 11px; font-weight: bold; color: #A1A1A1;}\n.flickriver-extras-link:hover { background: none; color: #0259C4 }';
      e.className = 'flickriver-extras-link';
      const v = document.createElement('div');
      if (document.getElementById('SlideShowButton') && document.getElementById('ShareButton')) {
        v.style.textAlign = 'center';
      } else {
        v.style.textAlign = 'right';
        if (document.getElementById('ShareButton')) {
          v.style.paddingRight = '2px';
        } else {
          v.style.paddingRight = '11px';
        }
      }
      u.appendChild(t);
      v.appendChild(e);
      u.appendChild(v);
      return true;
    }
    return false;
  }

  function p() {
    const e = g('photoDescription');
    if (!e) {
      return true;
    }
    if (e.innerHTML.match(/flickriver\.com/)) {
      return false;
    }
    return true;
  }

  function j(t) {
    const e = document.getElementById('DiscussPhoto');
    if (!e) {
      return false;
    }
    const u = document.createElement('p');
    u.appendChild(t);
    e.parentNode.insertBefore(u, e);
    return true;
  }

  function l(t) {
    const e = document.getElementById('Hint');
    if (!e) {
      return false;
    }
    const u = document.createElement('p');
    t.style.fontWeight = 'bold';
    u.appendChild(t);
    e.appendChild(u);
    return true;
  }

  function i(v) {
    const e = document.getElementById('SubNav');
    if (!e) {
      return false;
    }
    const u = g('Links', e);
    if (!u) {
      return false;
    }
    const t = u.getElementsByTagName('img');
    if (t && t.length) {
      u.appendChild(t[0].cloneNode(true));
    }
    u.appendChild(v);
    return true;
  }

  function a(t) {
    const e = g('ExploreChoose');
    if (!e) {
      return false;
    }
    const u = e.getElementsByTagName('ul');
    if (!u || !u.length) {
      return false;
    }
    u = u[0];
    const v = document.createElement('li');
    t.className = 'Plain';
    v.appendChild(t);
    u.insertBefore(v, u.firstChild);
    return true;
  }

  function f(w) {
    const x = w ? 'person_menu_you_div' : 'person_menu_other_div';
    const v = document.getElementById(x);
    const e = document.createElement('div');
    e.className = 'menu_item_line_above';
    const y = document.createElement('a');
    y.className = 'block';
    y.id = w ? 'personmenu_your_flickriver_link' : 'personmenu_flickriver_link';
    y.href = '#';
    y.innerHTML = 'View on Flickriver';
    e.appendChild(y);
    v.appendChild(e);
    if (w) {
      const z = document.getElementById('personmenu_your_photos_link');
      const u = z.href;
      if (u.match(/^http:\/\//)) {
        u = u.replace(/flickr.com/, 'flickriver.com');
      } else {
        u = 'https://www.flickriver.com' + u;
      }
      y.href = u;
      return;
    }
    const t = document.getElementById('personmenu_photos_link');
    function A() {
      const B = t.href;
      B = B.replace(/flickr.com/, 'flickriver.com');
      B += 'popular-interesting/';
      y.href = B;
    }
    t.addEventListener(
      'DOMAttrModified',
      function () {
        A();
      },
      false,
    );
  }

  function q(e) {
    const u = g('Paginator');
    if (!u) {
      return;
    }
    const t = document.createElement('a');
    t.setAttribute('href', e);
    t.innerHTML = 'view on flickriver';
    t.setAttribute('style', 'margin-left: 20px');
    u.appendChild(t);
  }

  try {
    f(true);
  } catch (r) {}
  try {
    f(false);
  } catch (r) {}

  const d = location.href;
  const o = d.replace(/\?.*$/, '');
  o = o.replace(/flickr.com/, 'flickriver.com');

  const h = document.createElement('a');
  h.setAttribute('href', o);
  h.innerHTML = 'View on Flickriver';

  if (m(d)) {
    q(h.cloneNode(true));
    b(h);
    return;
  }

  if (n(d)) {
    if (p()) {
      j(h);
    }
    return;
  }

  if (k(d)) {
    q(h.cloneNode(true));
    l(h);
    return;
  }

  if (c(d)) {
    q(h.cloneNode(true));
    if (!b(h)) {
      i(h);
    }
    return;
  }

  if (s(d)) {
    a(h);
    return;
  }
})();