<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_eihjce1j9pqh6ob0u438pp1evr, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
!7

static double aiConceptsCacheInterval = 60;

concept Search {
  S q, ip;
}

p {
  db();
}

html {
  print("Wiki URI: " + uri);
  S vis = registerVisitor();
  uri = dropSuffix("/", uri);
  uri = dropPrefix("/", uri);
  
  if (eq(uri, "sleep")) {
    sleepSeconds(5);
    ret "Slept 5, just for you.";
  }
  
  S q = trim(params.get("q"));
  if (nempty(q))
    cset(uniq(Search, +q, ip := getClientIP()), lastSeen := now());
    
  if (eq(uri, "import")) {
    triggerStandardAIImport();
    ret "OK";
  }
  
  if (eq(uri, "searches")) {
    ret htitle_h2("Latest Searches") 
      + htable(map(func(Search s) { litorderedmap(Query := dynamize(s.q),
      IP := dynamize(s.ip)) }, takeLast(10, sortedByFieldDesc("lastSeen", list(Search)))), false);
  }
  
  aiConceptsMap_clearCache(aiConceptsCacheInterval);
  final Map<S, AIConcept> map = aiConceptsMap_cached();
    
  if (possibleGlobalID(uri)) {
    // Serve concept
    
    final AIConcept c = map.get(toLower(uri));
    if (c == null)
      ret "Concept not found: " + toLower(uri);
    
    S html = htitle(c.name + " [" + 
      (nempty(c.comment) ? c.comment + " / " : "") + c.globalID + "]")
      + h2(htmlencode(aiConceptToString(c)));
    
    /*html += ul(
      "Image MD5: " + htmlencode(c.imageMD5)
    );*/
    
    if (nempty(c.imageMD5) && imageServerHas(c.imageMD5))
      html += p(himg(imageServerLink(c.imageMD5)));
      
    //L<S> statements = [S s : trueStatements_cached() | containsIgnoreCase(s, c.globalID)];
    L<Statement> statements = [Statement s : loadTruth_cached() | containsIgnoreCase(s.text, c.globalID)];
    if (nempty(statements))
      html += h3("Statements about this") + ul(map(f statementToHTML, statements));

    html += p(ahref("http://ai1.lol/wiki", "[All Concepts]"));
    
    ret html;
  }
  
  S results = "";
    
  if (nempty(q)) {
    L<AIConcept> l = imSearch(q);
    if (empty(l))
      results = h3("No search results for " + quote(q));
    else
      results = h3("Search results for " + quote(q))
        + ul(map(f aiConceptToHTML, l));
  }
  
  L<AIConcept> l = sortedByFieldDesc(values(map), "imported");
  
  S search =
      p("Search term, question or statement:", style := "margin-top: 40px")
    + hform(htextinput("q", q, autofocus := 1, style := "text-align: center") + " " + hsubmit("Go"));
    
  S line = "";
  /*if (empty(results))*/ line = "See " + ahref("https://www.youtube.com/watch?v=gTlgZkc95IU", "Video") + ". " + ahref("http://ai1.lol/new", htmlencode("More videos & articles")) + "."
    + (webAuthed() ? " " + ahref("/wiki/import", "Import.") : "");
    
  S concepts = ul(map(f aiConceptToHTML, l));

  L<Statement> statements = reversed(loadTruth_cached()); 
  S relations = ul(map(f statementToHTML, statements));

  ret htitle("Intelligence Machine")
    + hcenter2(
        p(ahref("http://ai1.lol/", hTBImage(#1007526, "title", "Intelligence Machine")))
      + p(small("Yes, this is early, but it will work really soon :-) " + ahref("http://tinybrain.de/1007510", "Source."))
      + search)
    + (empty(line) ? "" : p(line))
    + results
    + htableRaw_valignTop(ll(ll(
      h3("Concepts (" + l(l) + ")") + concepts, 
      h3("Relations (" + l(statements) + ")") + relations)), "border", "0")
    + hcenter2(p(hsmall(dropIncluding(vis, "<br>"))));
}

static S aiConceptToHTML(AIConcept c) {
  ret dynamize(c.globalID) + " - " + htmlencode(aiConceptToString2(c));
}

static S statementToHTML(Statement s) {
  ret dynamize(or2(s.possibleEnglishTranslation, "?") + " - " + s.text);
}