from email.mime.text import MIMEText
from email.header import Header
import aiosmtplib
from . import cfg


def load_cfg():
    global SMTP_SRV
    global PORT
    global ADDR
    global PASSWD
    SMTP_SRV = cfg.config["email"]["smtp_srv"]
    PORT = cfg.config["email"]["port"]
    ADDR = cfg.config["email"]["addr"]
    PASSWD = cfg.config["email"]["passwd"]


load_cfg()


async def sendemail(to_addr, links):
    print(links)
    html = "验证链接：[<a href=\""+links+"\">"+links+"</a>]"

    if (SMTP_SRV == ''):
        return 0

    msg = MIMEText(html, 'html', 'utf-8')
    msg['From'] = ADDR
    msg['To'] = to_addr
    msg['Subject'] = Header('StudyAreaCN 帐号', 'utf-8').encode()

    async with aiosmtplib.SMTP(hostname=SMTP_SRV, port=PORT, use_tls=True) as smtp:
        await smtp.login(ADDR, PASSWD)
        await smtp.send_message(msg)

    return 0