from payment.models import InvoicePayment, Invoice

from .api import PaypalAPI

from paypalcheckoutsdk.orders import OrdersCreateRequest
from paypalhttp import HttpError

from django.db import models
from django.urls import reverse_lazy

from dbsettings.functions import getValue

import logging

logger = logging.getLogger(__name__)

class PaypalOrder(models.Model):
    invoice = models.ForeignKey(Invoice, models.CASCADE)
    order_id = models.CharField(max_length=64)

class PaypalInvoicePayment(InvoicePayment):
    @property
    def gateway(self):
        return "Paypal"

    @staticmethod
    def initiate(invoice):
        request = OrdersCreateRequest()
        request.prefer('return=representation')

        request.request_body (
            {
                "intent": "CAPTURE",
                "purchase_units": [
                    {
                        "amount": {
                            "currency_code": invoice.currency,
                            "value": float(invoice.price_gross)
                        }
                    }
                ],
                "application_context": {
                    "return_url": getValue("application.base_url") + reverse_lazy("this_sucks"),
                    "cancel_url": getValue("application.base_url"),
                    "brand_name": getValue("application.name", "JourneyJoker"),
                    "landing_page": "BILLING",
                    "user_action": "CONTINUE"
                },
            }
        )

        try:
            client = PaypalAPI().client
            response = client.execute(request)
            PaypalOrder.objects.create(subscription=subscription, order_id=response.result.id)

            for link in response.result.links:
                if link.rel == "approve":
                    return link.href

        except IOError as ioe:
            logger.error(ioe)
            if isinstance(ioe, HttpError):
                logger.error(ioe.status_code)