from django.shortcuts import redirect, render

from registrasion.controllers.invoice import InvoiceController

from registrasion.models import commerce

from pinax.stripe import actions

from stripe.error import StripeError

from symposion.conference.models import Conference

CURRENCY = settings.INVOICE_CURRENCY

CONFERENCE_ID = settings.CONFERENCE_ID

def pubkey_script(request):

    ''' Returns a JS snippet that sets the Stripe public key for Stripe.js. '''

    script_template = "Stripe.setPublishableKey('%s');"

    script = script_template % settings.PINAX_STRIPE_PUBLIC_KEY

    return HttpResponse(script, content_type="text/javascript")

def card(request, invoice_id):

    form = forms.CreditCardForm(request.POST or None)

    inv = InvoiceController.for_id_or_404(str(invoice_id))

    if not inv.can_view(user=request.user):

        raise Http404()

    to_invoice = redirect("invoice", inv.invoice.id)

    if request.POST and form.is_valid():

        try:

            inv.validate_allowed_to_pay()  # Verify that we're allowed to do this.

            process_card(request, form, inv)

            return to_invoice

        except StripeError as e:

            form.add_error(None, ValidationError(e))

        except ValidationError as ve:

            form.add_error(None, ve)

    data = {

        "invoice": inv.invoice,

        "form": form,

    }

    return render(

        request, "registrasion/stripe/credit_card_payment.html", data

    )

@transaction.atomic

def process_card(request, form, inv):

    ''' Processes the given credit card form