!7

sS chatBotID = #1026221;

static long longPollMaxWait = 60*1000; // must match value in chatBotID
static long clientLatency = 10*1000; // how long we allow a client to take for reconnecting

srecord BotConversationID(S dbID, long convoID) {}

concept Customer {
  S cookie;
  long lastPing;
  BotConversationID botConversationID;
  
  bool active() {
    ret elapsedMS_timestamp(lastPing) <= longPollMaxWait+clientLatency;
  }
}

concept Message {
  Customer customer;
  S text;
  bool unread;
}

concept IncomingMessage > Message {}
concept OutgoingMessage > Message {}

module MultiComm {
  start {
    dbIndexing(Customer, 'cookie);
    dm_vmBus_onMessage_q chatBot_userPolling(voidfunc(O mc, virtual Conversation conv) {
      Customer c = customerFromConv(mc, conv);
      if (c == null) ret;
    });
    
    dm_vmBus_onMessage_q chatBot_messageAdded(voidfunc(O mc, virtual Conversation conv, virtual Msg msg) {
      Customer c = customerFromConv(mc, conv);
      if (c == null) ret;
      S text = getString text(msg);
      bool fromUser = getBool fromUser(msg);
      if (fromUser)
        cnew(IncomingMessage, customer := c, +text, unread := true);
      else
        cnew(OutgoingMessage, customer := c, +text);
    });
  }
  
  visualize {
    /*showConceptsTable_postProcess.set(func(L<Customer> l) -> L<Customer> {
      filter(l, c -> c.active())
    });*/
    JTable tblCustomers = makeConceptsTable(Customer, /*defaultConceptRendererForTable(Customer)*/);

    ret jhsplit(
      jCenteredSection("Customers", tblCustomers),
      jCenteredSection("Messages", makeConceptsTable(Message)));
  }

  Customer customerFromConv(O mc, virtual Conversation conv) {
    S cookie = getString cookie(conv);
    if (empty(cookie)) null;
    Customer c = uniq(Customer, +cookie);
    cset(c, lastPing := now(), botConversationID := 
      BotConversationID(programID(mc), getLong id(conv));
    ret c;
  }
}