!752

static new Map<S, S> map;
static S chatName = "Assoc Bot";

p {
  readLocally("map");
  makeAndroid3("Simplest Assoc Bot at " + getComputerID() + ".");
  if (chatName != null)
    toChat();
}

static void toChat() {
  while (true) {
    pcall {
      for (ChatLine l : suckHumans(chatName))
        sayInWebChat(chatName, answer(l.text));
    }
    sleep(1000);
  }
}

static S lookup(S s) {
  ret map.get(simplify(s));
}

// should simplify a sentence neatly
static S simplify(S s) {
  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);
    S prev = map.get(l);
    if (prev != null && eq(simplify(prev), simplify(r)))
      ret "yup, i know";
    map.put(l, r);
    saveLocally("map");
    ret prev == null ? "ok, new" : "ok, changed from: " + quote(prev);
  }
  
  ret lookup(input);
}