import smtplib
import logging
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.header import Header
from flask import current_app

mail_config = current_app.config['mail']
logger = logging.getLogger('waitress')


def sendmail(to: str, subject: str, message: str):
    if not (mail_config['username'] and mail_config['password']):
        logger.error("smtp email account is not configured")
    mail = MIMEText(message, "plain")
    mail['Subject'] = Header(subject)
    mail['From'] = Header(mail_config['from'])
    mail['To'] = Header(to)
    try:
        smtp = smtplib.SMTP_SSL(mail_config['host'], int(mail_config['port']))
        smtp.login(mail_config['username'], mail_config['password'])
        smtp.sendmail(mail_config['username'], to, mail.as_string())
    except Exception as e:
        logger.error("sendmail error: %s", repr(e))
    smtp.quit()