# Part of Odoo. See LICENSE file for full copyright and licensing details.

import logging
import pprint
import uuid

from lxml import etree, objectify
from werkzeug import urls

from odoo import _, api, models
from odoo.exceptions import UserError, ValidationError

from . import const
from odoo.addons.payment import utils as payment_utils
from odoo.addons.payment_ogone.controllers.main import OgoneController

_logger = logging.getLogger(__name__)


class PaymentTransaction(models.Model):
    _inherit = 'payment.transaction'

    @api.model
    def _compute_reference(self, provider_code, prefix=None, separator='-', **kwargs):
        """ Override of payment to ensure that Ogone requirements for references are satisfied.

        Ogone requirements for references are as follows:
        - References must be unique at provider level for a given merchant account.
          This is satisfied by singularizing the prefix with the current datetime. If two
          transactions are created simultaneously, `_compute_reference` ensures the uniqueness of
          references by suffixing a sequence number.

        :param str provider_code: The code of the provider handling the transaction
        :param str prefix: The custom prefix used to compute the full reference
        :param str separator: The custom separator used to separate the prefix from the suffix
        :return: The unique reference for the transaction
        :rtype: str
        """
        if provider_code != 'ogone':
            return super()._compute_reference(provider_code, prefix=prefix, **kwargs)

        if not prefix:
            # If no prefix is provided, it could mean that a module has passed a kwarg intended for
            # the `_compute_reference_prefix` method, as it is only called if the prefix is empty.
            # We call it manually here because singularizing the prefix would generate a default
            # value if it was empty, hence preventing the method from ever being called and the
            # transaction from received a reference named after the related document.
            prefix = self.sudo()._compute_reference_prefix(provider_code, separator, **kwargs) or None
        prefix = payment_utils.singularize_reference_prefix(prefix=prefix, max_length=40)
        return super()._compute_reference(provider_code, prefix=prefix, **kwargs)

    def _get_specific_rendering_values(self, processing_values):
        """ Override of payment to return Ogone-specific rendering values.

        Note: self.ensure_one() from `_get_processing_values`

        :param dict processing_values: The generic and specific processing values of the transaction
        :return: The dict of provider-specific processing values
        :rtype: dict
        """
        res = super()._get_specific_rendering_values(processing_values)
        if self.provider_code != 'ogone':
            return res

        return_url = urls.url_join(self.provider_id.get_base_url(), OgoneController._return_url)
        rendering_values = {
            'PSPID': self.provider_id.ogone_pspid,
            'ORDERID': self.reference,
            'AMOUNT': payment_utils.to_minor_currency_units(self.amount, None, 2),
            'CURRENCY': self.currency_id.name,
            'LANGUAGE': self.partner_lang or 'en_US',
            'EMAIL': self.partner_email or '',
            'OWNERADDRESS': self.partner_address or '',
            'OWNERZIP': self.partner_zip or '',
            'OWNERTOWN': self.partner_city or '',
            'OWNERCTY': self.partner_country_id.code or '',
            'OWNERTELNO': self.partner_phone or '',
            'OPERATION': 'SAL',  # direct sale
            'USERID': self.provider_id.ogone_userid,
            'ACCEPTURL': return_url,
            'DECLINEURL': return_url,
            'EXCEPTIONURL': return_url,
            'CANCELURL': return_url,
        }
        if self.tokenize:
            rendering_values.update({
                'ALIAS': f'ODOO-ALIAS-{uuid.uuid4().hex}',
                'ALIASUSAGE': _("Storing your payment details is necessary for future use."),
            })
        rendering_values.update({
            'SHASIGN': self.provider_id._ogone_generate_signature(
                rendering_values, incoming=False
            ).upper(),
            'api_url': self.provider_id._ogone_get_api_url('hosted_payment_page'),
        })
        return rendering_values

    def _send_payment_request(self):
        """ Override of payment to send a payment request to Ogone.

        Note: self.ensure_one()

        :return: None
        :raise: UserError if the transaction is not linked to a token
        """
        super()._send_payment_request()
        if self.provider_code != 'ogone':
            return

        if not self.token_id:
            raise UserError("Ogone: " + _("The transaction is not linked to a token."))

        # Make the payment request
        data = {
            # DirectLink parameters
            'PSPID': self.provider_id.ogone_pspid,
            'ORDERID': self.reference,
            'USERID': self.provider_id.ogone_userid,
            'PSWD': self.provider_id.ogone_password,
            'AMOUNT': payment_utils.to_minor_currency_units(self.amount, None, 2),
            'CURRENCY': self.currency_id.name,
            'CN': self.partner_name or '',  # Cardholder Name
            'EMAIL': self.partner_email or '',
            'OWNERADDRESS': self.partner_address or '',
            'OWNERZIP': self.partner_zip or '',
            'OWNERTOWN': self.partner_city or '',
            'OWNERCTY': self.partner_country_id.code or '',
            'OWNERTELNO': self.partner_phone or '',
            'OPERATION': 'SAL',  # direct sale
            # Alias Manager parameters
            'ALIAS': self.token_id.provider_ref,
            'ALIASPERSISTEDAFTERUSE': 'Y',
            'ECI': 9,  # Recurring (from eCommerce)
        }
        data['SHASIGN'] = self.provider_id._ogone_generate_signature(data, incoming=False)

        _logger.info(
            "payment request response for transaction with reference %s:\n%s",
            self.reference, pprint.pformat({k: v for k, v in data.items() if k != 'PSWD'})
        )  # Log the payment request data without the password
        response_content = self.provider_id._ogone_make_request(data)
        try:
            tree = objectify.fromstring(response_content)
        except etree.XMLSyntaxError:
            raise ValidationError("Ogone: " + "Received badly structured response from the API.")

        # Handle the feedback data
        _logger.info(
            "payment request response (as an etree) for transaction with reference %s:\n%s",
            self.reference, etree.tostring(tree, pretty_print=True, encoding='utf-8')
        )
        feedback_data = {'ORDERID': tree.get('orderID'), 'tree': tree}
        _logger.info(
            "handling feedback data from Ogone for transaction with reference %s with data:\n%s",
            self.reference, pprint.pformat(feedback_data)
        )
        self._handle_notification_data('ogone', feedback_data)

    def _get_tx_from_notification_data(self, provider_code, notification_data):
        """ Override of payment to find the transaction based on Ogone data.

        :param str provider_code: The code of the provider that handled the transaction
        :param dict notification_data: The notification data sent by the provider
        :return: The transaction if found
        :rtype: recordset of `payment.transaction`
        :raise: ValidationError if the data match no transaction
        """
        tx = super()._get_tx_from_notification_data(provider_code, notification_data)
        if provider_code != 'ogone' or len(tx) == 1:
            return tx

        reference = notification_data.get('ORDERID')
        tx = self.search([('reference', '=', reference), ('provider_code', '=', 'ogone')])
        if not tx:
            raise ValidationError(
                "Ogone: " + _("No transaction found matching reference %s.", reference)
            )
        return tx

    def _process_notification_data(self, notification_data):
        """ Override of payment to process the transaction based on Ogone data.

        Note: self.ensure_one()

        :param dict notification_data: The notification data sent by the provider
        :return: None
        """
        super()._process_notification_data(notification_data)
        if self.provider_code != 'ogone':
            return

        if 'tree' in notification_data:
            notification_data = notification_data['tree']

        self.provider_reference = notification_data.get('PAYID')
        payment_status = int(notification_data.get('STATUS', '0'))
        if payment_status in const.PAYMENT_STATUS_MAPPING['pending']:
            self._set_pending()
        elif payment_status in const.PAYMENT_STATUS_MAPPING['done']:
            has_token_data = 'ALIAS' in notification_data
            if self.tokenize and has_token_data:
                self._ogone_tokenize_from_notification_data(notification_data)
            self._set_done()
        elif payment_status in const.PAYMENT_STATUS_MAPPING['cancel']:
            self._set_canceled()
        elif payment_status in const.PAYMENT_STATUS_MAPPING['declined']:
            if notification_data.get("NCERRORPLUS"):
                reason = notification_data.get("NCERRORPLUS")
            elif notification_data.get("NCERROR"):
                reason = "Error code: %s" % notification_data.get("NCERROR")
            else:
                reason = "Unknown reason"
            _logger.info("the payment has been declined: %s.", reason)
            self._set_error(
                "Ogone: " + _("The payment has been declined: %s", reason)
            )
        else:  # Classify unknown payment statuses as `error` tx state
            _logger.info(
                "received data with invalid payment status (%s) for transaction with reference %s",
                payment_status, self.reference
            )
            self._set_error(
                "Ogone: " + _("Received data with invalid payment status: %s", payment_status)
            )

    def _ogone_tokenize_from_notification_data(self, notification_data):
        """ Create a token from notification data.

        :param dict notification_data: The notification data sent by the provider
        :return: None
        """
        token = self.env['payment.token'].create({
            'provider_id': self.provider_id.id,
            'payment_details': notification_data.get('CARDNO')[-4:],  # Ogone pads details with X's.
            'partner_id': self.partner_id.id,
            'provider_ref': notification_data['ALIAS'],
            'verified': True,  # The payment is authorized, so the payment method is valid
        })
        self.write({
            'token_id': token.id,
            'tokenize': False,
        })
        _logger.info(
            "created token with id %(token_id)s for partner with id %(partner_id)s from "
            "transaction with reference %(ref)s",
            {
                'token_id': token.id,
                'partner_id': self.partner_id.id,
                'ref': self.reference,
            },
        )
