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

import logging

from werkzeug import urls

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

from odoo.addons.payment import utils as payment_utils
from odoo.addons.payment_paypal.const import PAYMENT_STATUS_MAPPING
from odoo.addons.payment_paypal.controllers.main import PaypalController

_logger = logging.getLogger(__name__)


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

    # See https://developer.paypal.com/docs/api-basics/notifications/ipn/IPNandPDTVariables/
    paypal_type = fields.Char(
        string="PayPal Transaction Type", help="This has no use in Odoo except for debugging.")

    def _get_specific_rendering_values(self, processing_values):
        """ Override of payment to return Paypal-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 acquirer-specific processing values
        :rtype: dict
        """
        res = super()._get_specific_rendering_values(processing_values)
        if self.provider != 'paypal':
            return res

        base_url = self.acquirer_id.get_base_url()
        partner_first_name, partner_last_name = payment_utils.split_partner_name(self.partner_name)
        notify_url = self.acquirer_id.paypal_use_ipn \
                     and urls.url_join(base_url, PaypalController._notify_url)
        return {
            'address1': self.partner_address,
            'amount': self.amount,
            'business': self.acquirer_id.paypal_email_account,
            'city': self.partner_city,
            'country': self.partner_country_id.code,
            'currency_code': self.currency_id.name,
            'email': self.partner_email,
            'first_name': partner_first_name,
            'handling': self.fees,
            'item_name': f"{self.company_id.name}: {self.reference}",
            'item_number': self.reference,
            'last_name': partner_last_name,
            'lc': self.partner_lang,
            'notify_url': notify_url,
            'return_url': urls.url_join(base_url, PaypalController._return_url),
            'state': self.partner_state_id.name,
            'zip_code': self.partner_zip,
            'api_url': self.acquirer_id._paypal_get_api_url(),
        }

    @api.model
    def _get_tx_from_feedback_data(self, provider, data):
        """ Override of payment to find the transaction based on Paypal data.

        :param str provider: The provider of the acquirer that handled the transaction
        :param dict data: The feedback 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_feedback_data(provider, data)
        if provider != 'paypal':
            return tx

        reference = data.get('item_number')
        tx = self.search([('reference', '=', reference), ('provider', '=', 'paypal')])
        if not tx:
            raise ValidationError(
                "PayPal: " + _("No transaction found matching reference %s.", reference)
            )
        return tx

    def _process_feedback_data(self, data):
        """ Override of payment to process the transaction based on Paypal data.

        Note: self.ensure_one()

        :param dict data: The feedback data sent by the provider
        :return: None
        :raise: ValidationError if inconsistent data were received
        """
        super()._process_feedback_data(data)
        if self.provider != 'paypal':
            return

        txn_id = data.get('txn_id')
        txn_type = data.get('txn_type')
        if not all((txn_id, txn_type)):
            raise ValidationError(
                "PayPal: " + _(
                    "Missing value for txn_id (%(txn_id)s) or txn_type (%(txn_type)s).",
                    txn_id=txn_id, txn_type=txn_type
                )
            )
        self.acquirer_reference = txn_id
        self.paypal_type = txn_type

        payment_status = data.get('payment_status')

        if payment_status in PAYMENT_STATUS_MAPPING['pending']:
            self._set_pending(state_message=data.get('pending_reason'))
        elif payment_status in PAYMENT_STATUS_MAPPING['done']:
            self._set_done()
        elif payment_status in PAYMENT_STATUS_MAPPING['cancel']:
            self._set_canceled()
        else:
            _logger.info("received data with invalid payment status: %s", payment_status)
            self._set_error(
                "PayPal: " + _("Received data with invalid payment status: %s", payment_status)
            )