import re

import subprocess

from datetime import date

from flask import Blueprint, current_app, g, render_template, request

from flask_babel import gettext

from flask_weasyprint import HTML, render_pdf

from .forms import MembershipForm

root_page = Blueprint("root", __name__, url_prefix="/<lang_code>")

xml_template = "<member><numm>{name}</numm><gebuertsdag>{birthday:%d.%m.%Y}</gebuertsdag><address>{address}</address><nick>{username}</nick><email>{email}</email><status>{status}</status><stemmrecht>{voting}</stemmrecht></member>"

@root_page.url_defaults

def add_lang_code(endpoint, values):

    values.setdefault("lang_code", g.lang_code)

@root_page.url_value_preprocessor

def pull_lang_code(endpoint, values):

@root_page.route("/", methods=("GET", "POST"))

def index():

    form = MembershipForm()

    choices = [

        ("cash", gettext("by cash")),

        ("wire transfer", gettext("by wire transfer")),

    ]

    for k, v in (

        ("DIGICASH_ENABLED", ("digicash", gettext("by DigiCash"))),

        ("BITCOIN_ENABLED", ("bitcoin", gettext("by bitcoin"))),

        ("ETHEREUM_ENABLED", ("ethereum", gettext("by ethereum"))),

        ("MONERO_ENABLED", ("monero", gettext("by monero"))),

        ("ZCASH_ENABLED", ("zcash", gettext("by zcash"))),

    ):

        if current_app.config[k]:

            choices.append(v)

    form.payment.choices = choices

    if form.validate_on_submit():

        xml_data = {}

        if (

            form.minor_member.data

            or form.student.data

            or form.membership.data == "supporting"

        ):

            price = current_app.config["SUPPORTING_FEE"]

            xml_data["voting"] = 0

        elif form.membership.data == "regular":

            price = current_app.config["REGULAR_FEE"]

            xml_data["voting"] = 1

        if form.starving.data:

            price = 1

        if form.starving.data:

            xml_data["status"] = "Starving"

        elif form.minor_member.data or form.student.data:

            xml_data["status"] = "Student"

        elif form.membership.data == "supporting":

            xml_data["status"] = "Supporter"

        else:

            xml_data["status"] = "Regular"

        xml_data["name"] = form.fullname.data

        xml_data["birthday"] = form.birthday.data

        xml_data["username"] = form.username.data

        xml_data["email"] = form.email.data

        xml_data["address"] = " ".join(

            (

                form.street.data,

                form.zip.data,

                form.city.data,

                form.state.data,

                form.country.data,

            )

        )

        xml_data["address"] = re.sub("\s+", " ", xml_data["address"])

        if form.payment.data == "bitcoin":

            price = subprocess.check_output(

                [current_app.config["BITCOIN_CONVERSION_SCRIPT"], str(price)]

            ).decode("utf-8")

        elif form.payment.data == "ethereum":

            price = subprocess.check_output(

                [current_app.config["ETHEREUM_CONVERSION_SCRIPT"], str(price)]

            ).decode("utf-8")

        elif form.payment.data == "monero":

            price = subprocess.check_output(

                [current_app.config["MONERO_CONVERSION_SCRIPT"], str(price)]

            ).decode("utf-8")

        elif form.payment.data == "zcash":

            price = subprocess.check_output(

                [current_app.config["ZCASH_CONVERSION_SCRIPT"], str(price)]

            ).decode("utf-8")

        elif form.payment.data == "digicash":

            price = price * 100

        now = date.today()

        year = now.year

        xml_data["date"] = now

        xml = xml_template.format(**xml_data)

        html = render_template(

            "member.html", form=form, price=price, year=year, xml=xml

        )

        return render_pdf(HTML(string=html))

    return render_template("index.html", form=form)