!7

lib 1400120 lib 1400115 // JTelegramBot
lib 1400116 lib 1400117 lib 1400118 lib 1400119 // dependencies

import io.fouad.jtb.core.*;
import io.fouad.jtb.core.beans.*;

p-exp {
  S apiToken = trim(loadTextFileMandatory(javaxSecretDir("telegram-bot-token.txt")));

  UpdateHandler updateHandler = new SimpleUpdateHandler {
    public void onMessageReceived(TelegramBotApi api, int id, Message message) {
      pcall {
        print("Got message!");
        print("Text:");
        printIndent("> ", message.getText());
        User u = message.getFrom();
        printStruct("From", ll(u.getId(), u.getFirstName(), u.getLastName(), u.getUsername()));
        print();
        
        api.sendMessage(
          ChatIdentifier.byId(u.getId()), // ChatIdentifier targetChatIdentifier,
          "Hello " + u.getFirstName() + "!",
          null, // ParseMode parseMode,
  	      null, // Boolean disableLinkPreviews,
  	      null, // Boolean silentMessage,
  	      null, // Integer replyToMessageId,
  	      null); // ReplyMarkup replyMarkup
      }
    }
  };
  
  JTelegramBot bot = new JTelegramBot("HelloComputer_bot", apiToken, updateHandler);
  bot.startAsync();
}