# This file is part of Tryton.  The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
import http.client
import json
import logging

import stripe

from trytond.protocols.wrappers import (
    Response, abort, with_pool, with_transaction)
from trytond.wsgi import app

logger = logging.getLogger(__name__)


@app.route(
    '/<database_name>/account_payment_stripe/checkout/<model>/<id>',
    methods=['GET', 'POST'])
@with_pool
@with_transaction(context={'_skip_warnings': True})
def checkout(request, pool, model, id):
    Payment = pool.get('account.payment')
    Customer = pool.get('account.payment.stripe.customer')
    if model == Payment.__name__:
        Model = Payment
    elif model == Customer.__name__:
        Model = Customer
    else:
        abort(403)
    try:
        record, = Model.search([
                ('stripe_checkout_id', '=', id),
                ])
    except ValueError:
        abort(403)
    if request.method == 'GET':
        Report = pool.get('account.payment.stripe.checkout', type='report')
        # TODO language
        data = {
            'model': Model.__name__,
            }
        if model == Payment.__name__ and record.stripe_customer_payment_method:
            data['payment_method'] = record.stripe_customer_payment_method
        ext, content, _, _ = Report.execute([record.id], data)
        assert ext == 'html'
        return Response(content, 200, content_type='text/html')
    elif request.method == 'POST':
        record.stripe_intent_update()
        return Response(
            '<body onload="window.close()">', 200, content_type='text/html')


@app.route(
    '/<database_name>/account_payment_stripe/webhook/<account>',
    methods={'POST'})
@with_pool
@with_transaction(context={'_skip_warnings': True})
def webhooks_endpoint(request, pool, account):
    Account = pool.get('account.payment.stripe.account')
    account, = Account.search([
            ('webhook_identifier', '=', account),
            ])

    request_body = request.get_data(as_text=True)
    if account.webhook_signing_secret:
        sig_header = request.headers['STRIPE_SIGNATURE']
        try:
            event = stripe.Webhook.construct_event(
                request_body, sig_header, account.webhook_signing_secret)
        except ValueError:  # Invalid payload
            abort(http.client.BAD_REQUEST)
        except stripe.error.SignatureVerificationError:
            abort(http.client.BAD_REQUEST)
    else:
        logger.warn("Stripe signature ignored")
        try:
            event = stripe.Event.construct_from(
                json.loads(request_body), account.secret_key)
        except ValueError:
            abort(HTTPStatus.BAD_REQUEST)

    result = account.webhook(event)
    if result is None:
        logger.info("No callback for event type '%s'", event['type'])
    elif not result:
        return Response(status=http.client.NOT_FOUND)
    return Response(status=http.client.NO_CONTENT)
