import locale
import logging

from flask import Flask, request
from flask_cors import CORS, cross_origin
from flask_executor import Executor
from flask_wtf import FlaskForm, RecaptchaField
import telegram_send
from wtforms import StringField, EmailField
from wtforms.validators import DataRequired, Email

import config as cfg

# Set locale to UTF-8 as server's one is ANSI - this breaks cyrilic loggng
locale.setlocale(locale.LC_ALL, 'en_US.UTF-8')

logging.basicConfig(filename=f"{cfg.DEPLOY_PATH}/log.log",
                    filemode='a',
                    format='%(asctime)s,%(msecs)d %(name)s %(levelname)s %(message)s',
                    datefmt='%H:%M:%S',
                    level=logging.INFO)

logger = logging.getLogger()

app = Flask(__name__)

app.secret_key = cfg.FLASK_APIKEY
app.config["APPLICATION_ROOT"] = "/api"
app.config["WTF_CSRF_ENABLED"] = False

app.config["RECAPTCHA_PUBLIC_KEY"] = cfg.RECAPTCHA_PUBLIC_KEY
app.config["RECAPTCHA_PRIVATE_KEY"] = cfg.RECAPTCHA_PRIVATE_KEY

app.config['EXECUTOR_TYPE'] = 'process'
app.config['EXECUTOR_PROPAGATE_EXCEPTIONS'] = True

executor = Executor(app)


def send_telegram(message, silent=False):
    telegram_send.send(messages=[message], conf=f'{cfg.DEPLOY_PATH}/telegram.conf', silent=silent)


class ContactForm(FlaskForm):
    name = StringField('Username', validators=[DataRequired()])
    email = EmailField('Email', validators=[DataRequired(), Email()])
    message = StringField('Message')
    recaptcha = RecaptchaField()


@app.route('/contact/', methods=['POST'])
def contact():
    form = ContactForm(request.form)

    if form.validate_on_submit():
        text = cfg.CONTACT_REQUEST_TEMPLATE.format(
            name=form.name.data,
            email=form.email.data,
            message=form.message.data
        )
        logger.info(f'{form.name.data} - {form.email.data}: [{form.message.data}]')
        executor.submit(send_telegram, text)
        return '', 200

    return '', 400


@app.route('/')
def hello_world():
    return 'Hello, World!'


if __name__ == '__main__':
    app.run()