import * as Blockly from "blockly/core";

/**
 * Telegram Bot by re:edu
 */
Blockly.Arduino.sensebox_telegram = function (Block) {
  let token = Block.getFieldValue("telegram_token");
  Blockly.Arduino.libraries_["library_senseBoxIO"] = "#include <senseBoxIO.h>";
  Blockly["Arduino"].libraries_[
    "library_telegram"
  ] = `#include <UniversalTelegramBot.h>`;
  Blockly["Arduino"].functionNames_["WiFiSSLClient"] = "WiFiSSLClient client;";
  Blockly["Arduino"].functionNames_[
    "telegram_objects"
  ] = `#define BOTtoken "${token}"  // your Bot Token (Get from Botfather)
      
    UniversalTelegramBot bot(BOTtoken, client);`;

  let code = "";
  return code;
};

Blockly.Arduino.sensebox_telegram_do = function (block) {
  var messageProcessing = Blockly.Arduino.statementToCode(
    block,
    "telegram_do",
    Blockly.Arduino.ORDER_ATOMIC
  );

  Blockly.Arduino.definitions_[
    "telegram_variables"
  ] = `int Bot_mtbs = 1000; //mean time between scan messages
  long Bot_lasttime;   //last time messages' scan has been done`;

  Blockly.Arduino.loopCodeOnce_[
    "sensebox_telegram_loop"
  ] = `if (millis() > Bot_lasttime + Bot_mtbs)  {
      int numNewMessages = bot.getUpdates(bot.last_message_received + 1);
      while(numNewMessages) {
        for(int i=0; i<numNewMessages; i++) {
          String chat_id = String(bot.messages[i].chat_id);
          String text = bot.messages[i].text;
  
          ${messageProcessing}
        }
        numNewMessages = bot.getUpdates(bot.last_message_received + 1);
      }
      Bot_lasttime = millis();
    }`;
  var code = "";
  return code;
};

Blockly.Arduino.sensebox_telegram_do_on_message = function (block) {
  var message = this.getFieldValue("telegram_message");
  var stuffToDo = Blockly.Arduino.statementToCode(
    block,
    "telegram_do_on_message",
    Blockly.Arduino.ORDER_ATOMIC
  );
  var code = `
        if (text == "${message}") {
          ${stuffToDo}
        }`;
  return code;
};

Blockly.Arduino.sensebox_telegram_send = function (block) {
  var textToSend =
    Blockly.Arduino.valueToCode(
      this,
      "telegram_text_to_send",
      Blockly.Arduino.ORDER_ATOMIC
    ) || '"Keine Eingabe"';
  var code = `bot.sendMessage(chat_id, String(${textToSend}), "");\n`;
  return code;
};