import logging

import os
import requests
from dateutil.relativedelta import relativedelta
from yandex_money.models import Payment

from finance.models import InvoiceRebilling
from lms import celery_app
from django.conf import settings
from django.utils import timezone

logger_yandex = logging.getLogger('yandex_money')


@celery_app.task
def periodic_billing():
    try:
        logger_yandex.info("start periodic billing task")
        invoices = InvoiceRebilling.objects.filter(method='Y').exclude(status='F')

        for invoice in invoices.filter(
                expected_date__gt=timezone.now(), expected_date__lt=timezone.now() + relativedelta(days=1)):

            user = invoice.bill.user
            yandex_pay = Payment.objects.create(
                order_amount=invoice.price,
                customer_number=user.id,
                user=user,
                cps_email=user.email,
                shop_id=settings.YANDEX_MONEY_REBILLING_SHOP_ID,
                scid=settings.YANDEX_MONEY_REBILLING_SCID
            )
            invoice.yandex_pay = yandex_pay
            invoice.save()

            repeat_card_payment(invoice)
    except Exception as exc:
        logger_yandex.error('periodic billing Exception', exc_info=True, extra={
            'exc': exc
        })


def repeat_card_payment(invoice):
    resp = requests.post(settings.YANDEX_MONEY_MWS_URL + 'repeatCardPayment',
                         data={
                             'clientOrderId': invoice.id,  # уникальное возрастающее целое число
                             'invoiceId': invoice.key,
                             'amount': invoice.price,
                             'orderNumber': invoice.yandex_pay.order_number
                         },
                         cert=(
                             os.path.join(settings.SSL_ROOT, 'skillbox.cer'),
                             os.path.join(settings.SSL_ROOT, 'skillbox.key')
                         ),
                         verify=os.path.join(settings.SSL_ROOT, 'yamoney_chain.cer'))
    logger_yandex.info('periodic billing finish', exc_info=True, extra={
        'response': resp.text
    })