# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from odoo.exceptions import AccessError, MissingError, ValidationError
from odoo.fields import Command
from odoo.http import request, route

from odoo.addons.payment.controllers import portal as payment_portal


class PaymentPortal(payment_portal.PaymentPortal):

    @route('/invoice/transaction/<int:invoice_id>', type='json', auth='public')
    def invoice_transaction(self, invoice_id, access_token, **kwargs):
        """ Create a draft transaction and return its processing values.

        :param int invoice_id: The invoice to pay, as an `account.move` id
        :param str access_token: The access token used to authenticate the request
        :param dict kwargs: Locally unused data passed to `_create_transaction`
        :return: The mandatory values for the processing of the transaction
        :rtype: dict
        :raise: ValidationError if the invoice id or the access token is invalid
        """
        # Check the invoice id and the access token
        try:
            invoice_sudo = self._document_check_access('account.move', invoice_id, access_token)
        except MissingError as error:
            raise error
        except AccessError:
            raise ValidationError("The access token is invalid.")

        kwargs['reference_prefix'] = None  # Allow the reference to be computed based on the invoice
        logged_in = not request.env.user._is_public()
        partner = request.env.user.partner_id if logged_in else invoice_sudo.partner_id
        kwargs['partner_id'] = partner.id
        kwargs.pop('custom_create_values', None)  # Don't allow passing arbitrary create values
        tx_sudo = self._create_transaction(
            custom_create_values={'invoice_ids': [Command.set([invoice_id])]}, **kwargs,
        )

        return tx_sudo._get_processing_values()