import smtplib
from email.message import EmailMessage
import os

#### For this version the nodes used directly not by graph


smtp_server = "smtp.gmail.com" # SMTP is protcol for sending mail, use this server
smtp_port = 587
# for large scale / send many message you should use other server

def EMAIL_sender_Node(user_email,email_txt,subject,path_pdf):
    APP_email = os.environ["APP_email"]
    APP_password = os.environ["APP_password"]
  
    msg = EmailMessage()
    msg["Subject"] = subject
    msg["From"] = APP_email
    msg["To"] = user_email

    msg.set_content(email_txt)

    with open(path_pdf, "rb") as f:
        file_data = f.read()
        msg.add_attachment(file_data,
                          maintype="application",
                          subtype="pdf",
                          filename=path_pdf)
        

    with smtplib.SMTP(smtp_server, smtp_port) as server:
        server.ehlo() # know server / get info
        server.starttls() # start the tls  (securing protocol)
        server.ehlo() 
        server.login(APP_email, APP_password)
        server.send_message(msg)
    print("Email sent!")