#!/usr/bin/env python3
"""
Serve cloud init files
"""

import configparser
import os
import json
import smtplib
import socket
import sys
from email.header import Header
from email.mime.text import MIMEText

import cherrypy


class CloudInitApp:
    """
    Serve cloud init files
    """

    def _send_mail(self):
        try:
            # pylint: disable=deprecated-lambda
            cl = cherrypy.request.headers['Content-Length']
            rawbody = cherrypy.request.body.read(int(cl))
            req_body = json.loads(rawbody)
            subject = req_body['subject']
            body = req_body['body']
            client = smtplib.SMTP('smtp.gmail.com')
            msg = MIMEText(body, 'plain', 'utf-8')
            msg['Subject'] = Header(subject, 'utf-8')
            msg['From'] = FROM_MAIL
            msg['To'] = TO_MAIL

            client.ehlo()
            client.starttls()
            client.ehlo()
            client.login(msg["From"], FROM_MAIL_PASSWORD)
            client.sendmail(msg['From'], msg['To'], msg.as_string())
            client.quit()
            return "mail sent successfully"
        except Exception as e:
            return "some error: {}".format(e)

    @cherrypy.expose
    def send_mail(self):
        """
        v1 api endpoint user-data
        """
        return self._send_mail()


ROOT = CloudInitApp()

if __name__ == "__main__":
    try:
        SERVER_HOST = os.environ["server_host"]
        SERVER_PORT = int(os.environ["server_port"])
        TO_MAIL = os.environ["to_mail"]
        FROM_MAIL = os.environ["from_mail"]
        FROM_MAIL_PASSWORD = os.environ["from_mail_password"]
    except:
        raise "Please check missing environment variables: to_mail, from_mail, from_mail_password"

    cherrypy.server.socket_host = SERVER_HOST
    cherrypy.server.socket_port = SERVER_PORT
    ENGINE = cherrypy.engine

    CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
    CONFIG = {
        '/include': {
            'tools.staticdir.on': True,
            'tools.staticdir.dir': os.path.join(CURRENT_DIR,
                                                'data',
                                                'include'),
            'tools.staticdir.content_types': {
                'yml': 'text/yaml'
                }
            }
        }
    cherrypy.tree.mount(ROOT, config=CONFIG)

    if hasattr(ENGINE, "signal_handler"):
        ENGINE.signal_handler.subscribe()
    if hasattr(ENGINE, "console_control_handler"):
        ENGINE.console_control_handler.subscribe()
    try:
        ENGINE.start()
    except Exception:  # pylint: disable=broad-except
        sys.exit(1)
    else:
        ENGINE.block()