import os
import smtplib
import ssl

from email.message import EmailMessage

from config import Config
from log import log


def ask_yes_no(title: str, question: str) -> bool:
    """Ask question; return True for yes, False for no"""

    button_reply = QMessageBox.question(None, title, question)

    return button_reply == QMessageBox.Yes


def send_mail(to_addr, from_addr, subj, body):
    # From https://docs.python.org/3/library/email.examples.html

    # Create a text/plain message
    msg = EmailMessage()
    msg.set_content(body)

    msg['Subject'] = subj
    msg['From'] = from_addr
    msg['To'] = to_addr

    # Send the message via SMTP server.
    context = ssl.create_default_context()
    try:
        s = smtplib.SMTP(host=Config.MAIL_SERVER, port=Config.MAIL_PORT)
        if Config.MAIL_USE_TLS:
            s.starttls(context=context)
        if Config.MAIL_USERNAME and Config.MAIL_PASSWORD:
            s.login(Config.MAIL_USERNAME, Config.MAIL_PASSWORD)
        s.send_message(msg)
    except Exception as e:
        print(e)
    finally:
        s.quit()


def show_OK(title: str, msg: str) -> None:
    """Display a message to user"""

    QMessageBox.information(None, title, msg, buttons=QMessageBox.Ok)


def show_warning(title: str, msg: str) -> None:
    """Display a warning to user"""

    QMessageBox.warning(None, title, msg, buttons=QMessageBox.Cancel)