#!/usr/bin/env python3
# -*- coding:utf-8 -*- 
'''
 @Author:      yusank
 @Email:       yusankurban@gmail.com
 @DateTime:    2016-11-03 18:04:35
 @Description: app/eamil.py 
'''
from threading import Thread
from flask import render_template, current_app
from flask_mail import Message
from . import mail


def send_async_email(app, msg):
    with app.app_context():
        mail.send(msg)


def send_email(to, subject, template, **kwargs):
    app = current_app._get_current_object()
    msg = Message(app.config['FLASKY_MAIL_SUBJECT_PREFIX'] + ' ' + subject, sender=app.config['FLASKY_MAIL_SENDER'],
                  recipients=[to])
    msg.body = render_template(template + '.txt', **kwargs)
    msg.html = render_template(template + '.html', **kwargs)
    thr = Thread(target=send_async_email, args=[app, msg])
    thr.start()
    return thr
