from email.mime.text import MIMEText
import logging
import smtplib
from .wechat import WeChat


class Sender:
    def __init__(self, smtp_options=None, wechat_options=None) -> None:
        self.smtp = None
        self.wechat = None
        if smtp_options:
            try:
                self.__init_smtp(**smtp_options)
            except Exception as e:
                logging.exception('smtp login failed', exc_info=e)
        if wechat_options:
            try:
                self.wechat = WeChat(**wechat_options)
            except Exception as e:
                logging.exception('wechat login failed', exc_info=e)
        
    def __init_smtp(self, server, port, user, password, sender):
        self.smtp = smtplib.SMTP_SSL(server, port)
        self.smtp.login(user, password)
        self.smtp_from = sender
        logging.info('smtp login successful')
    
    def send_mail(self, to, text, subject=None):
        if not self.smtp: return
        msg = MIMEText(text, 'plain', 'utf-8')
        if subject:
            msg['Subject'] = subject
            msg['From'] = self.smtp_from
            msg['To'] = to
        try:
            self.smtp.sendmail(self.smtp.user, to, msg.as_bytes())
            logging.info('send mail successful')
        except Exception as e:
            logging.exception('send mail failed', exc_info=e)

    def send_wechat(self, touser, msg):
        if not self.wechat: return
        try:
            self.wechat.send(touser, msg)
            logging.info('send wechat successful')
        except Exception as e:
            logging.exception('send wechat failed', exc_info=e)
    
    def send(self, msg, subject=None, mail=None, wechat=None, phone=None):
        if mail:
            self.send_mail(mail, msg, subject)
        if wechat:
            self.send_wechat(wechat, msg)