!7

p { useLocalMechListCopies(); }

html {
  uri = dropPrefix("/", uri);
  L<IfThen> rules = ai_activeRules();
  S ruleID = urldecode(uri);
  
  if (empty(uri))
    ret h2_title(n2(rules, "rule"))
    + ul(map_pcall(reversed(rules), func(IfThen rule) {
      ahref(rawSelfLink(urlencode(rule.globalID)), htmlencode(rule.globalID))
    }));
    
  L<IfThen> found = filterByField(rules, globalID := ruleID);
  if (empty(found)) ret "Rule " + htmlencode(ruleID) + " not found";
  
  new StringBuilder buf;
  
  if (l(found) > 1)
    buf.append(p("Bad: Multiple rules for ID " + htmlencode(ruleID) + "."));
    
  for (IfThen rule : found) {
    buf.append(h2_title("Rule " + htmlencode(rule.globalID)));
    buf.append(hsourcecode(/*str(rule)*/ rule.originalText));
    if (ai_ruleDifferentFromOriginalText(rule)) {
      buf.append(h3("Loaded as"));
      buf.append(hsourcecode(str(rule)));
    }
  }
  
  ret buf;
}