function accSendEmail(senderName, senderEmail, subject, message, receiverId, executionCallbackMethod, errorCallbackMethod){
    if(isInputValid(senderName, senderEmail, subject, message, receiverId)){


      // API URL for sending the email
      // const apiUrl = 'https://acceleratron.in/email/sendemail';
      const apiUrl = 'https://acceleratron.in/email/sendemail';

      message=convertToParagraphs(message);
      
      const requestBody = {
        'senderName': senderName,
        'senderEmail': senderEmail,
        'subject': subject,
        'message': message,
        'receiverId': receiverId
      };

      // Make the API call using fetch
      fetch(apiUrl, {
        method: 'POST', 
        headers: {
          'Content-Type': 'application/json'
          // Add any other headers if needed (e.g., authorization token)
        },
        body: JSON.stringify(requestBody) // Convert the JSON object to a string
      })
        .then(response => {
          if (!response.ok) {
            throw new Error(`HTTP error! Status: ${response.status}`);
          }
          return response.json();
        })
        .then(data => {
          // Handle the API response data
          console.log('API response:', data);
          if (typeof executionCallbackMethod === "function") { 
            executionCallbackMethod(data);
          }else{
            console.log('Execution callback is not available!');
          }
        })
        .catch(error => {
          // Handle errors during the API call
          console.error('Error:', error);
          if (typeof errorCallbackMethod === "function") { 
            errorCallbackMethod(error);
          }else{
            console.log('Error callback is not available!');
          }
        });

      }	else{
        if (typeof errorCallbackMethod === "function") { 
          errorCallbackMethod(new Error(`Data Validation Error!`));
        }else{
          console.log('Error callback is not available!');
        }
      }  
}

function isInputValid(senderName, senderEmail, subject, message, receiverId){
  if(!requiredFieldValidation("senderName",senderName) || !requiredFieldValidation("senderEmail",senderEmail) || !requiredFieldValidation("subject", subject) || !requiredFieldValidation("message",message)){
    console.error("All mandatory fields are not available!");
    return false;
  }else if(!requiredFieldValidation("receiverId",receiverId)){
    console.error("Registered user id for email service is not provided!");
    return false;
  }else if(!validateEmail(senderEmail)){
    console.error("Email is not valid!");
    return false;
  }else {
    return true;
  }
}

function requiredFieldValidation(fieldName, fieldVal) {

  if (
    fieldVal!= null && fieldVal!= "undefined" && fieldVal.trim().length > 0
  ) {
    return true;
  } else {
    console.error("fieldName: "+fieldName+" fieldVal: "+fieldVal);
    return false;
  }
}

function validateEmail(email) {
  var expr =
    /^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/
  return expr.test(email)
}

function convertToParagraphs(text) {
  // Handle special characters by encoding the text
  var encodedText = encodeURIComponent(text);
  
  // Replace tabs with a specified number of spaces (e.g., 4 spaces)
  var spacesPerTab = 4;
  var spaces = ' '.repeat(spacesPerTab);
  var indentedText = encodedText.replace(/\t/g, spaces);

  // Replace newline characters with HTML paragraphs
  var paragraphs = indentedText.replace(/(?:\r\n|\r|\n)/g, '</p><p>');

  // Wrap the content with paragraph tags
  return '<p>' + paragraphs + '</p>';
}