// uses ctxContext()
// returns true when rule "matched"
static bool ctxProcessRule(S ruleName) {
  if (ruleName == null) false;
  ctxContext().rulesFired.add(ruleName);
  ++ctxContext().safetyCounter;
  WoodyRule rule = woodyBot().getRule(ruleName);
  if (rule == null) { print("Rule not found: " + ruleName); false; }
  printObjectWithFields(rule, "fullName", "condition", "body", "properties");
  
  print("Processing rule " + rule.fullName);
  
  S a = rule.properties.get("ANALYZER");
  if (a != null)
    ctxContext().activeAnalyzer = a;
    
  // evaluate condition again to set MATCH1
  rule.parsedCondition.get();
  
  // fake
  if (eqic(ruleName, "Agent#EVENT.NEWUSER")) {
    S theGoto = ctxFindFirstGoto(rule.body);
    print("NEWUSER -> Goto: " + theGoto);
    ctxContext().nextRule = theGoto;
    true;
  }
  
  if (neq(rule.properties.get("ACTIONSELECTOR"), "SWITCH"))
    // multi-action rules (RANDOMLOOP/TILLEND)
    if (ctxDoNextActionInRule(rule)) {
      if (!ctxPostRule())
        // continue with this rule
        ctxContext().setActiveRule(rule.fullName);
        
      true;
    }

  // SWITCH
  L<CtxCase> cases = ctxCases(rule.body);
  if (nempty(cases)) {
    for (CtxCase c : cases) {
      Bool b = c.condition == null /* default */
        || ctxEvalCondition(c.condition);
      print("case " + c.condition + " -> " + b + (b ? " (input: " + quote(ctxContext().input) + ")" : ""));
      if (isTrue(b)) {
        ctxContext().nextRule = mapGet(c.properties, "GOTO");
        a = mapGet(c.properties, "ANALYZER");
        if (a != null) {
          print("Setting analyzer to " + a + " by case in rule " + rule.fullName);
          ctxContext().activeAnalyzer = a;
        }
        ctxProcessAction(c.action);
        ctxPostRule();
        true;
      }
    }
    false;
  }
  
  print("Unknown rule type: " + ruleName);
  false;
}