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

from werkzeug import urls
from lxml import objectify

import odoo

from odoo.tools import mute_logger
from odoo.addons.payment.models.payment_acquirer import ValidationError
from odoo.addons.payment.tests.common import PaymentAcquirerCommon
from odoo.addons.payment_alipay.controllers.main import AlipayController

@odoo.tests.tagged('post_install', '-at_install', 'external', '-standard')
class AlipayTest(PaymentAcquirerCommon):

    @classmethod
    def setUpClass(cls, chart_template_ref=None):
        super().setUpClass(chart_template_ref=chart_template_ref)

        cls.currency_yuan = cls.env['res.currency'].search([('name', '=', 'CNY'),
                                                              '|',
                                                              ('active', '=', True),
                                                              ('active', '=', False)], limit=1)
        cls.alipay = cls.env.ref('payment.payment_acquirer_alipay')
        cls.alipay.write({
            'alipay_merchant_partner_id': 'dummy',
            'alipay_md5_signature_key': 'dummy',
            'alipay_seller_email': 'dummy',
            'state': 'test',
        })

    def test_10_alipay_form_render(self):
        base_url = self.env['ir.config_parameter'].get_param('web.base.url')
        self.assertEqual(self.alipay.state, 'test', 'test without test environment')

        # ----------------------------------------
        # Test: button direct rendering
        # ----------------------------------------

        # render the button
        res = self.alipay.render(
            'test_ref0', 0.01, self.currency_euro.id,
            values=self.buyer_values)

        form_values = {
            '_input_charset': 'utf-8',
            'notify_url': urls.url_join(base_url, AlipayController._notify_url),
            'out_trade_no': 'SO12345-1',
            'partner': self.alipay.alipay_merchant_partner_id,
            'return_url': urls.url_join(base_url, AlipayController._return_url),
            'subject': 'test_ref0',
            'total_fee': '0.01',
        }

        if self.alipay.alipay_payment_method == 'standard_checkout':
            form_values.update({
                'service': 'create_forex_trade',
                'currency': 'EUR',
                'product_code': 'NEW_OVERSEAS_SELLER',
            })
        else:
            form_values.update({
                'payment_type': '1',
                'seller_email': self.alipay.alipay_seller_email,
                'service': 'create_direct_pay_by_user'
            })
        sign = self.alipay._build_sign(form_values)

        form_values.update({'sign': sign, 'sign_type': 'MD5'})
        # check form result
        tree = objectify.fromstring(res)

        data_set = tree.xpath("//input[@name='data_set']")
        self.assertEqual(len(data_set), 1, 'Alipay: Found %d "data_set" input instead of 1' % len(data_set))
        self.assertEqual(data_set[0].get('data-action-url'), 'https://openapi.alipaydev.com/gateway.do', 'alipay: wrong form POST url')
        for form_input in tree.input:
            if form_input.get('name') in ['submit', 'data_set', 'sign', 'out_trade_no']:
                continue
            self.assertEqual(form_input.get('value'), form_values[form_input.get('name')], 'alipay: wrong value for input %s: received %s instead of %s' % (form_input.get('name'), form_input.get('value'), form_values[form_input.get('name')]))

    def test_11_alipay_form_with_fees(self):
        self.assertEqual(self.alipay.state, 'test', 'test without test environment')

        # update acquirer: compute fees
        self.alipay.write({
            'fees_active': True,
            'fees_dom_fixed': 1.0,
            'fees_dom_var': 0.35,
            'fees_int_fixed': 1.5,
            'fees_int_var': 0.50,
        })

        # render the button
        res = self.alipay.render(
            'test_ref0', 12.50, self.currency_euro.id,
            values=self.buyer_values)

        tree = objectify.fromstring(res)

        data_set = tree.xpath("//input[@name='data_set']")
        self.assertEqual(len(data_set), 1, 'alipay: Found %d "data_set" input instead of 1' % len(data_set))
        self.assertEqual(data_set[0].get('data-action-url'), 'https://openapi.alipaydev.com/gateway.do', 'alipay: wrong form POST url')
        for form_input in tree.input:
            if form_input.get('name') in ['total_fee']:
                self.assertEqual(form_input.get('value'), '14.07', 'alipay: wrong computed fees')  # total amount = amount + fees

    @mute_logger('odoo.addons.payment_alipay.models.payment', 'ValidationError')
    def test_20_alipay_form_management(self):
        self.alipay.alipay_payment_method = 'standard_checkout'
        self._test_20_alipay_form_management()
        self.alipay.alipay_payment_method = 'express_checkout'
        self._test_20_alipay_form_management()

    def _test_20_alipay_form_management(self):
        self.assertEqual(self.alipay.state, 'test', 'test without test environment')

        # typical data posted by alipay after client has successfully paid
        alipay_post_data = {
            'trade_no': '2017112321001003690200384552',
            'reference': 'test_ref_' + self.alipay.alipay_payment_method,
            'total_fee': 1.95,
            'trade_status': 'TRADE_CLOSED',
        }

        if self.alipay.alipay_payment_method == 'express_checkout':
            alipay_post_data.update({
                'seller_email': self.alipay.alipay_seller_email,
            })
        else:
            alipay_post_data.update({
                'currency': 'EUR',
            })

        alipay_post_data['sign'] = self.alipay._build_sign(alipay_post_data)
        # should raise error about unknown tx
        with self.assertRaises(ValidationError):
            self.env['payment.transaction'].form_feedback(alipay_post_data, 'alipay')

        if self.alipay.alipay_payment_method == 'express_checkout':
            currency = self.currency_yuan
        else:
            currency = self.currency_euro

        # create tx
        tx = self.env['payment.transaction'].create({
            'amount': 1.95,
            'acquirer_id': self.alipay.id,
            'currency_id': currency.id,
            'reference': 'test_ref_' + self.alipay.alipay_payment_method,
            'partner_name': 'Norbert Buyer',
            'partner_country_id': self.country_france.id
        })

        # validate tx
        tx.form_feedback(alipay_post_data, 'alipay')
        # check tx
        self.assertEqual(tx.state, 'cancel', 'alipay: wrong state after receiving a valid pending notification')
        self.assertEqual(tx.acquirer_reference, '2017112321001003690200384552', 'alipay: wrong txn_id after receiving a valid pending notification')

        # update tx
        tx.write({'state': 'draft', 'acquirer_reference': False})

        # update notification from alipay should not go through since it has already been set as 'done'
        if self.alipay.alipay_payment_method == 'standard_checkout':
            alipay_post_data['trade_status'] = 'TRADE_FINISHED'
        else:
            alipay_post_data['trade_status'] = 'TRADE_SUCCESS'
        alipay_post_data['sign'] = self.alipay._build_sign(alipay_post_data)
        # validate tx
        tx.form_feedback(alipay_post_data, 'alipay')
        # check tx
        self.assertEqual(tx.acquirer_reference, '2017112321001003690200384552', 'alipay: notification should not go throught since it has already been validated')

        # this time it should go through since the transaction is not validated yet
        tx.write({'state': 'draft', 'acquirer_reference': False})
        tx.form_feedback(alipay_post_data, 'alipay')
        self.assertEqual(tx.state, 'done', 'alipay: wrong state after receiving a valid pending notification')
        self.assertEqual(tx.acquirer_reference, '2017112321001003690200384552', 'alipay: wrong txn_id after receiving a valid pending notification')

    @mute_logger('odoo.addons.payment_alipay.models.payment', 'ValidationError')
    def test_30_alipay_bad_configuration(self):
        self.alipay.alipay_payment_method = 'express_checkout'

        # should raise error since `express_checkout` must only be used with CNY currency
        with self.assertRaises(ValidationError):
            # create tx
            tx = self.env['payment.transaction'].create({
                'acquirer_id': self.alipay.id,
                'amount': 4,
                'currency_id': self.currency_euro.id,
                'reference': 'test_ref_2',
                'partner_country_id': self.country_france.id
            })

        tx = self.env['payment.transaction'].create({
            'acquirer_id': self.alipay.id,
            'amount': 4,
            'currency_id': self.currency_yuan.id,
            'reference': 'test_ref_2',
            'partner_country_id': self.country_france.id
        })