sbool ai_html_wordThoughts_showMem;
static int ai_html_wordThoughts_searchMax = 100;
static int ai_html_wordThoughts_nodesMax = 1000;

static S ai_html_wordThoughts(S selectedWord) {
  ret ai_html_wordThoughts(ll(selectedWord));
}

static S ai_html_wordThoughts(L<S> selectedWords) {
  S t = ai_html_triangle();
  S selectedWord = first(selectedWords);
  S title = h3(htmlencode(selectedWord));
  
  new Matches m;
  if (swic_trim(selectedWord, "[search]", m)) {
    int max = ai_html_wordThoughts_searchMax; 
    L<S> l = indexedTerms_scoredSearch(m.rest(), max+1);
    ret title
      + p(l(l) > ai_html_wordThoughts_searchMax ? max + "+ search results" : n(l, "search result"))
      + ul(map html_encyclopediaTopic(takeFirst(max, l)));
  }
  
  new L<WebNode> nodes;

  Set<S> ignoredWebs = ai_ignoredWebs();
  for (S word : selectedWords) {
    nodes.addAll(web_nodesNotFromCertainWebs(ignoredWebs, indexedNodes(word)));
    if (l(nodes) >= ai_html_wordThoughts_nodesMax) break;
  }
  int realN = l(nodes);
  truncateList(nodes, ai_html_wordThoughts_nodesMax);
    
  L<WebRelation> rel1 = web_collectBackwardRelations(nodes);
  L<WebRelation> rel2 = web_collectForwardRelations(nodes);

  final MultiMap<S> mm = orderedMultiMap(); // HTML -> web id
  
  for (WebRelation r : rel2)
    mm.put(ai_textHTML(r) + t + ai_renderNodeHTML(r.b), r.web.globalID);
  for (WebRelation r : rel1)
    mm.put(ai_renderNodeHTML(r.a) + t + ai_textHTML(r) + t + ai_textHTML(r.b), r.web.globalID);
  for (WebNode n : nodes)
    if (n instanceof WebRelation)
      mm.put(ai_renderNodeHTML(n/WebRelation.a) + t + ai_textHTML(n) + t + ai_textHTML(n/WebRelation.b), n.web.globalID);
      
  L<S> l1 = ll();
  Web web = ai_getWeb(selectedWord);
  if (web != null) {
    S link = ai_html_webLink(web.globalID);
    bool inv = ai_isInvalidWeb(web);
    l1.add(inv ? "is an " + ahref(link, "invalid web") : "is a " + ahref(link, "web"));
  }
  
  long nVirtual = ai_numberOfVirtualWebs();
  long mem = ai_html_wordThoughts_showMem ? memoryUsedAfterLastGC() : 0;
  ret title
    + (realN > ai_html_wordThoughts_nodesMax ? p("List truncated (" +  n(realN, "total node") + ")") : "")
    + ul(concatLists(l1, map html_linkURLs_targetBlank(
      allToString(
        map(multiMapKeysByPopularity(mm), func(S s) {
          s + " [" + joinWithComma(map ai_html_linkedWeb(mm.get(s))) + "]"
        })
    ))))
    + p(n(nodes, "node") + " out of " + ahref(smartBotURL(), nWebs(keys(allWebsByID())))
      + (nVirtual == 0 ? "" : " + " + formatWithThousandsSeparator(nVirtual) + " virtual")
      + (mem == 0 ? "" : ". " + toMB(mem) + " MB used"));
}