import stripe
import uuid
import json

from django.shortcuts import render
from django.http import JsonResponse
from django.conf import settings
from django.shortcuts import redirect
from django.views.generic.base import TemplateView

from django.http import JsonResponse

import gopay
from gopay.enums import Recurrence, PaymentInstrument, BankSwiftCode, Currency, Language
from .models import Invoice


def payment_paypal(request):
	return render(request, 'payments/paypal.html', context={})


def payment_stripe(request):
	return render(request, 'payments/stripe.html', context={})


def payment_coinbase(request):
	return render(request, 'payments/coinbase.html', context={})


def payment_paylike(request):
	return render(request, 'payments/paylike.html', context={})


def payment_succeed(request):
	return render(request, 'payments/payment_succeed.html', context={})


class PaymentGetwaysView(TemplateView):
    template_name = 'payments/payment_gateways.html'

    def get_context_data(self, **kwargs):
        context = super(PaymentGetwaysView, self).get_context_data(**kwargs)
        context['key'] = settings.STRIPE_PUBLISHABLE_KEY
        context['amount'] = 500
        context['description'] = "Stripe Payment"
        context['invoice_session'] = self.request.session['invoice_session']
        print(context['invoice_session'])
        return context


def stripe_charge(request):
    stripe.api_key = settings.STRIPE_SECRET_KEY

    if request.method == 'POST':
        charge = stripe.Charge.create(
            amount=500,
            currency='eur',
            description='A Django charge',
            source=request.POST['stripeToken']
        )
        invoice_code = request.session['invoice_session']
        invoice = Invoice.objects.get(invoice_code=invoice_code)
        invoice.payment_complete = True
        invoice.save()
        return redirect('completed')
        # return JsonResponse({"invoice_code": invoice.invoice_code}, status=201)
        # return render(request, 'payments/charge.html')


def gopay_charge(request):
    if request.method == 'POST':
        user = request.user

        payments = gopay.payments({
            'goid': '[PAYMENT_ID]',
            'clientId': '[GOPAY_CLIENT_ID]',
            'clientSecret': '[GOPAY_CLIENT_SECRET]',
            'isProductionMode': False,
            'scope': gopay.TokenScope.ALL,
            'language': gopay.Language.ENGLISH,
            'timeout': 30
        })

        # recurrent payment must have field ''
        recurrentPayment = {
            'recurrence': {
                'recurrence_cycle': Recurrence.DAILY,
                'recurrence_period': "7",
                'recurrence_date_to': '2015-12-31'
            }
        }

        # pre-authorized payment must have field 'preauthorization'
        preauthorizedPayment = {
            'preauthorization': True
        }

        response = payments.create_payment({
            'payer': {
                'default_payment_instrument': PaymentInstrument.BANK_ACCOUNT,
                'allowed_payment_instruments': [PaymentInstrument.BANK_ACCOUNT],
                'default_swift': BankSwiftCode.FIO_BANKA,
                'allowed_swifts': [BankSwiftCode.FIO_BANKA, BankSwiftCode.MBANK],
                'contact': {
                    'first_name': user.first_name,
                    'last_name': user.last_name,
                    'email': user.email,
                    'phone_number': user.phone,
                    'city': 'example city',
                    'street': 'Plana 67',
                    'postal_code': '373 01',
                    'country_code': 'CZE',
                },
            },
            'amount': 150,
            'currency': Currency.CZECH_CROWNS,
            'order_number': '001',
            'order_description': 'pojisteni01',
            'items': [
                {'name': 'item01', 'amount': 50},
                {'name': 'item02', 'amount': 100},
            ],
            'additional_params': [
                {'name': 'invoicenumber', 'value': '2015001003'}
            ],
            'callback': {
                'return_url': 'http://www.your-url.tld/return',
                'notification_url': 'http://www.your-url.tld/notify'
            },
            'lang': Language.CZECH,  # if lang is not specified, then default lang is used
        })

        if response.has_succeed():
            print("\nPayment Succeed\n")
            print("hooray, API returned " + str(response))
        else:
            print("\nPayment Fail\n")
            print("oops, API returned " + str(response.status_code) + ": " + str(response))
        return JsonResponse({"message": str(response)})
            
    return JsonResponse({"message": "GET requested"})


def paymentComplete(request):
    print(request.is_ajax())
    if request.is_ajax() or request.method == 'POST':
        invoice_id = request.session['invoice_session']
        invoice = Invoice.objects.get(id=invoice_id)
        invoice.payment_complete = True
        invoice.save()
        # return redirect('invoice', invoice.invoice_code)
    body = json.loads(request.body)
    print('BODY:', body)
    return JsonResponse('Payment completed!', safe=False)


def create_invoice(request):
    print(request.is_ajax())
    if request.method == 'POST':
        invoice = Invoice.objects.create(
            user = request.user,
            amount = request.POST.get('amount'),
            total=26,
            invoice_code=str(uuid.uuid4()),
        )
        request.session['invoice_session'] = invoice.invoice_code
        return redirect('payment_gateways')
    # if request.is_ajax():
    #     invoice = Invoice.objects.create(
    #         user = request.user,
    #         amount = 15,
    #         total=26,
    #     )
    #     return JsonResponse({'invoice': invoice}, status=201) # created

    return render(request, 'invoices.html', context={
        'invoices': Invoice.objects.filter(user=request.user)
    })


def invoice_detail(request, slug):
    return render(request, 'invoice_detail.html', context={
        'invoice': Invoice.objects.get(invoice_code=slug)
    })