WuNamesGenerator_bot.js

const TELEGRAM_TOKEN = '*****************tg_api_token*****************';
const WEBAPP_URL = 'https://script.google.com/macros/s/*****************url_self-reference*****************/exec';

function setWebhook() {
  const url = 'https://api.telegram.org/bot' + TELEGRAM_TOKEN + '/setWebhook?url=' + WEBAPP_URL;
  const response = UrlFetchApp.fetch(url);
  Logger.log(response.getContentText());
}

function doPost(e) {
  const update = JSON.parse(e.postData.contents);
  const chatId = update.message.chat.id;
  const text = update.message.text;

  if (text === "/start") {
    sendMessage(chatId, 'Now enter your full name');
  } else if (!text) {
    sendMessage(chatId, 'Responding only to text');
  }
  else {
    const obj = getWuTangName(text);
    let message;
    if(obj.error) {
      message = "Error:\r\n`" + obj.error_text + '`'
    } else {
      message = '`' + obj.oldname + "` from this day forward you will also be known as\r\n`" + obj.newname + '`';
    }
    sendMessage(chatId, message);
  }
}

function sendMessage(chatId, text) {
  const url = 'https://api.telegram.org/bot' + TELEGRAM_TOKEN + '/sendMessage';
  const payload = {
    'chat_id': chatId,
    'text': text,
    'parse_mode': 'Markdown'
  };
  const options = {
    'method': 'post',
    'contentType': 'application/json',
    'payload': JSON.stringify(payload)
  };
  UrlFetchApp.fetch(url, options);
}

function getWuTangName(name) {
  try {
    if (!name) {
      return { error: true, error_text: "parameters not set" };
    }

    const payload = {
      realname: name,
      Submit: 'Enter+the+Wu-Tang'
    };

    const options = {
      method: 'post',
      payload: payload,
      muteHttpExceptions: true
    };

    const response = UrlFetchApp.fetch('http://www.mess.be/inickgenwuname.php', options);
    const html = response.getContentText();

    // Extract the relevant parts from HTML
    const startMarker = '<font class=normalText>';
    const endMarker = '</font>';
    const startPos = html.indexOf(startMarker) + startMarker.length;
    const endPos = html.indexOf(endMarker, startPos);
    let content = html.substring(startPos, endPos).trim();

    // Extract old name
    const oldNameEnd = content.indexOf('</b>');
    const oldName = content.substring(0, oldNameEnd).trim();

    // Extract new name
    const newNameStart = content.indexOf('<font size=2>') + '<font size=2>'.length;
    const newNameEnd = content.indexOf('</b>', newNameStart);
    let newName = content.substring(newNameStart, newNameEnd).trim();
    
    // Clean up new name
    newName = newName.replace(/\s+/g, ' '); // Replace multiple spaces with single space
    newName = newName.replace(/([\w-]+).* ([\w-]+)/, '$1 $2'); // Simplify name format

    return {
      error: false,
      oldname: oldName,
      newname: newName
    };
  } catch (e) {
    return {
      error: true,
      error_text: e.message
    };
  }
}