Rule5.java

@Override
public void processUpdates(List<Update> updates) {
    for (Update update : updates) {
        if (update != null) {
            Message message = update.getMessage();
            // don't process old messages
            long current = System.currentTimeMillis() / 1000;
            if (message.getDate() + 60 >= current) {
                long chatId = message.getChatId();
                if (chatId == config.tournamentChat()) {
                    if ("/tournament".equals(message.getText())) {
                        for (Members member : members) {
                            if (member.isBlocked()) {
                                Log.warning("Member {} is blocked", member);
                                tournamentMembers.remove(member);
                                if (tournamentMembers.size() > MIN_MEMBERS_COUNT) {
                                    tournamentEnabled = false;
                                    // 9th nesting level!!!!!
                                }
                            } else {
                                Member opponent = tournamentMembers.pop();
                                tournamentEnabled = true;
                                Message.create()
                                    .withText("Tournament started. Your opponent is {}", opponent)
                                    .toChat(member.getId())
                                    .send();
                                Message.create()
                                    .withText("Tournament started. Your opponent is {}", member)
                                    .toChat(opponent.getId())
                                    .send();
                                Message.create()
                                    .withText("Tournament started. {} vs {}", member, opponent)
                                    .toChat(chatId)
                                    .send();
                            }
                        }
                    }
                } else {
                    String text = message.getText();
                    if (text != null) {
                        // 20 more lines before this
                        String[] params = text.split(" ");
                        members.clear()
                        members.add(params[1]);
                        members.add(params[2]);
                        tournamentEnabled = true;
                        markup = new Markup();
                        rows = List.of(members);
                        markup.setRows(rows);
                        markup.setAction("tournament");
                        status = Message.create()
                            .withText("Let's go!")
                            .withMarkup(markup)
                            .toChat(chatId)
                            .send();
                        validateStatus(status);
                    } else {
                        Log.error("Empty command");
                    }
                }
            }
        }
    }
}
// I especially love this wall of closing curly braces