!752

m {
  static new MultiMap<S, S> map;
  static S name = "Multi Assoc Bot";
  static boolean chatEnabled = true;

  p {
    readLocally("map");
    makeAndroid3(name + " at " + getComputerID() + ".");
    if (chatEnabled)
      toChat();
  }
  
  static void toChat() {
    while (true) {
      pcall {
        for (ChatLine l : suckHumans(name))
          sayInWebChat(name, answer(l.text));
      }
      sleep(1000);
    }
  }
  
  static L<S> lookup(S s) {
    ret map.get(simplify(s));
  }
  
  // should simplify a sentence neatly
  static S simplify(S s) {
    // TODO: probably leave case of quoted strings intact
    S result = join(" ", codeTokensOnly(tokensToLowerCase(nlTok(s))));
    print(s);
    print("=> " + result);
    ret result;
  }
  
  static synchronized S answer(S input) {
    L<S> tok = nlTok(input);
    int idx = tok.indexOf("=");
    if (idx >= 0) {
      S l = join(tok.subList(0, idx)).trim();
      S r = join(tok.subList(idx+1, l(tok))).trim();
      l = simplify(l);
      L<S> values = map.get(l);
      int i = indexOfSentence(values, r);
      
      // standard case (new value)
      if (i < 0) {
        map.put(l, r);
        saveLocally("map");
        ret "ok, added";
      }
      
      // already latest value
      if (i == values.size()-1)
        ret "yup, i know :)";
        
      // reordering case
      values.add(r);
      values.remove(i);
      saveLocally("map");
      ret "ok, moving value to end";
    }
    
    L<S> values = lookup(input);
    if (values.isEmpty()) ret null;
    ret input + "=" + join(", ", values);
  }
  
  static int indexOfSentence(L<S> l, S sentence) {
    sentence = simplify(sentence);
    for (int i = 0; i < l(l); i++)
      if (eq(simplify(l.get(i)), sentence))
        ret i;
    ret -1;
  }
}