import re

import subprocess

from datetime import date

import requests

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

from .utils import calculate_age

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):

    lang_code = values.pop("lang_code")

    if lang_code != "favicon.ico":

        g.lang_code = lang_code

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

def index():

    form = MembershipForm()

    choices = [

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

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

    ]

    if current_app.config["DIGICASH_ENABLED"]:

        choices.append(("digicash", gettext("by DigiCash/Payconiq")))

    if current_app.config["SATISPAY_ENABLED"]:

        choices.append(("satispay", gettext("by Satispay")))

    choices.extend(

        (cryptocurrency_label, " ".join((gettext("by"), cryptocurrency_label.title())))

        for cryptocurrency_label, options in current_app.config[

            "CRYPTOCURRENCIES"

        ].items()

        if options["ENABLED"]

    )

    form.payment.choices = choices

    if form.validate_on_submit():

        if form.birthday.data:

            if calculate_age(form.birthday.data) < 18:

                form.minor_member.data = True

                form.student.data = True

            else:

                form.minor_member.data = False

        if (

            form.minor_member.data

            or form.student.data

            or form.membership.data == "supporting"

        ):

            price = current_app.config["SUPPORTING_FEE"]

        elif form.starving.data:

            price = 1

        else:

            price = current_app.config["REGULAR_FEE"]

        if form.starving.data:

            status = "Starving"

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

            status = "Student"

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

            status = "Supporter"

        else:

            status = "Regular"

        if form.payment.data in current_app.config["CRYPTOCURRENCIES"]:

            try:

                current_conversion_r = requests.get(

                    current_app.config["CONVERSION_URL"], timeout=30

                )

                current_conversion_r.raise_for_status()

            except:

                return render_template("index.html", form=form, crypto_error=True), 503

            else:

                current_conversion = current_conversion_r.json()

                commodity = current_app.config["CRYPTOCURRENCIES"][form.payment.data][

                    "COMMODITY"

                ]

                price = current_conversion[commodity][status.upper()]

        elif form.payment.data in ("digicash", "satispay"):

            price = price * 100

        today = date.today()

        xml_data = {

            "status": status,

            "name": form.fullname.data,

            "birthday": form.birthday.data

            if form.birthday.data is not None

            else date(9999, 12, 12),

            "username": form.username.data,

            "email": form.email.data,

            "address": re.sub(

                "\s+",

                " ",

                " ".join(

                    (

                        form.street.data,

                        form.zip.data,

                        form.city.data,

                        form.state.data,

                        form.country.data,

                    )

                ),

            ),

            "voting": 1 if form.membership.data == "regular" else 0,

            "date": today,

        }

        html = render_template(

            "member.html",

            form=form,

            price=price,

            year=today.year,

            voting=True if form.membership.data == "regular" else False,

            xml=xml_template.format(**xml_data),

        )

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