import base64

import json

import os.path

import secrets

import subprocess

from flask import Flask, g, redirect, request, url_for

from flask.cli import AppGroup

from flask_babel import Babel

from flask_qrcode import QRcode

qrcode = QRcode()

babel = Babel()

babel_cli = AppGroup("babel")

def create_app():

    app = Flask(__name__)

    try:

        app.config.from_file(config_file, load=json.load)

    except FileNotFoundError:

        pass

    qrcode.init_app(app)

    babel.init_app(app)

    _default_secret_key = base64.b64encode(secrets.token_bytes()).decode("utf-8")

    app.config["SECRET_KEY"] = os.environ.get("SECRET_KEY", _default_secret_key)

    app.config["LANGUAGES"] = ["en", "de", "fr", "lb"]

    app.config.setdefault("SUPPORTING_FEE", 40)

    app.config.setdefault("REGULAR_FEE", 120)

    app.config.setdefault("DIGICASH_ENABLED", True)

    app.config.setdefault("CRYPTOCURRENCIES", dict())

    @babel.localeselector

    def get_locale():

        if not g.get("lang_code", None):

            g.lang_code = request.accept_languages.best_match(app.config["LANGUAGES"])

        return g.lang_code

    from .views import root_page

    app.register_blueprint(root_page)

    @app.route("/")

    def home():

        g.lang_code = request.accept_languages.best_match(app.config["LANGUAGES"])

        return redirect(url_for("root.index"))

    app.cli.add_command(babel_cli)

    return app

@babel_cli.command("extract")

def babel_extract():

    subprocess.run(

        [

            "pybabel",

            "extract",

            "-F",

            "babel.cfg",

            "-k",

from flask_babel import lazy_gettext

from flask_wtf import FlaskForm

from wtforms import (

    BooleanField,

    DateField,

    RadioField,

    StringField,

    SubmitField,

    ValidationError,

)

from wtforms.validators import Email, InputRequired, Length, Optional

class NotEqualTo:

    """

    Compares the values of two fields.

    :param fieldname:

        The name of the other field to compare to.

    :param message:

        Error message to raise in case of a validation error. Can be

        interpolated with `%(other_label)s` and `%(other_name)s` to provide a

        more helpful error.

    """

    def __init__(self, fieldname, message=None):

        self.fieldname = fieldname

        self.message = message

    def __call__(self, form, field):

        try:

            other = form[self.fieldname]

        except KeyError as exc:

            raise ValidationError(

                field.gettext("Invalid field name '%s'.") % self.fieldname

            ) from exc

        if field.data != other.data:

            return

        d = {

            "other_label": hasattr(other, "label")

            and other.label.text

            or self.fieldname,

            "other_name": self.fieldname,

        }

        message = self.message

        if message is None:

            message = field.gettext("Field must not be equal to %(other_name)s.")

        raise ValidationError(message % d)

class MembershipForm(FlaskForm):

    username = StringField(

        lazy_gettext("Username"),

        validators=[

            InputRequired(lazy_gettext("This field is required!")),

            Length(max=255),

        ],

    )

    email = StringField(

        lazy_gettext("E-Mail"),

        validators=[InputRequired(lazy_gettext("This field is required!")), Email()],

    )

    fullname = StringField(

        lazy_gettext("Full Name"),

        validators=[

            InputRequired(lazy_gettext("This field is required!")),

            Length(max=65536),

        ],

    )

    membership = RadioField(

        lazy_gettext("Membership Plan"),

        validators=[InputRequired(lazy_gettext("Please select one of the options!"))],

        choices=[

            (

                "regular",

                lazy_gettext(

                    "Regular membership - Membership with voting rights on the general assembly."

                ),

            ),

            (

                "supporting",

                lazy_gettext(

                    "Supporting membership - Membership without voting rights on the general assembly."

                ),

            ),

        ],

    )

    student = BooleanField(

        lazy_gettext(

            "I am a student and would like to have the reduced membership fees."

        ),

        validators=[

            Optional(),

            NotEqualTo(

                "starving",

                lazy_gettext(

                    "Student and Starving Hacker are mutually exclusive! Please select only one of them."

                ),

            ),

        ],

    )

    starving = BooleanField(

        lazy_gettext(

            "I am a starving hacker and cannot afford the membership! (Please get in touch with us at info@c3l.lu before filling out this membership form)"

        )

    )

    payment = RadioField(

        lazy_gettext("Payment Options"),

        validators=[InputRequired(lazy_gettext("Please select one of the options!"))],

    )

    birthday = DateField(lazy_gettext("Birthday"), validators=[Optional()])

    street = StringField(

        lazy_gettext("Nr., Street"),

        validators=[Optional(), Length(max=4000)],

    )

    zip = StringField(

        lazy_gettext("Postal Code"),

        validators=[Optional(), Length(max=30)],

    )

    city = StringField(

        lazy_gettext("City/Town"),

        validators=[Optional(), Length(max=500)],

    )

    state = StringField(

        lazy_gettext("State/County/Province"),

        validators=[Optional(), Length(max=500)],

    )

    country = StringField(

        lazy_gettext("Country"),

        validators=[Optional(), Length(max=500)],

    )

    terms = BooleanField(

        lazy_gettext(

            'By submitting this membership application, you agree to have read and understood the <a href="http://statutes.c3l.lu">statutes of the Chaos Computer Club Lëtzebuerg A.S.B.L.</a>.'

        ),

        validators=[InputRequired()],

    )

    minor_member = BooleanField(

        lazy_gettext(

            "I am under 18 years of age and have the approval of my legal representative."

        )

    )

    submit = SubmitField(lazy_gettext("Become a member"))