import datetime as datetime
from emailtool.emailer import Emailer
from flask import Flask, render_template, request, redirect, url_for
import configparser
from gevent.pywsgi import WSGIServer
import socket
import logging

config = configparser.ConfigParser()
config.read('settings.ini')
application_settings = config['application']
smtp_settings = config['smtp']
http_settings = config['http']

log = logging.getLogger('werkzeug')
log.setLevel(logging.INFO)

if application_settings['debug'].lower() == 'true':
    debug = True
else:
    debug = False


def send_email(to, subject, body):
    # Get settings from smtp_settings
    host = smtp_settings['host']
    port = smtp_settings['port']
    username = smtp_settings['username']
    password = smtp_settings['password']

    # Create an instance of the Emailer class
    emailer = Emailer(host, port, username, password)
    # Call the send_email method
    emailer.send_email(to, subject, body)


app = Flask(__name__)


# Create a route for the home page
@app.route('/')
def index():
    # send_email('aday@twinfallspubliclibrary.org', 'TEST', 'This is a test email')

    return render_template('index.html')


# on exit of the program make sure the http server is stopped
#@app.teardown_appcontext
def shutdown_session(exception=None):
    print('Stopping HTTP Service...')
    http_server.stop()


# Get the systems hostname
def get_hostname():
    return socket.gethostname()


# Get systems IP address
def get_ip_address():
    return socket.gethostbyname(socket.gethostname())


if __name__ == "__main__":
    print("------------------------- Start up -----------------------------")
    print("Starting HTTP Service on port %s..." % http_settings['port'])

    if debug is True:
        print("Debug mode is enabled.")
        http_server = WSGIServer(('0.0.0.0', int(http_settings['port'])), app)
    else:
        http_server = WSGIServer(('0.0.0.0', int(http_settings['port'])), app, log=log, error_log=log)
    print("HTTP Service Started.")
    print("--------------------- Application Details ---------------------")
    print("Application started at %s" % datetime.datetime.now())
    print("System IP Address: %s" % get_ip_address())
    print("System Hostname: %s" % get_hostname())
    print("Access the Dashboard using a web browser using any of the following:")
    print("http://%s:%s or http://%s:%s" % (get_hostname(), http_settings['port'], get_ip_address(), http_settings['port']))
    print("---------------------------------------------------------------")
    print("To stop the application close this window.")
    print("---------------------------------------------------------------")
    http_server.serve_forever()