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

from odoo.fields import Command
from odoo.tests import tagged

from odoo.addons.sale_loyalty.tests.common import TestSaleCouponCommon


@tagged('post_install', '-at_install')
class TestSaleAutoInvoice(TestSaleCouponCommon):

    def test_automatic_invoice_on_zero_amount_order(self):
        self.env['ir.config_parameter'].sudo().set_bool('sale.automatic_invoice', True)
        # Create a loyalty program with 100% discount
        self.env['loyalty.program'].sudo().create({
            'name': '100discount',
            'program_type': 'promo_code',
            'rule_ids': [
                Command.create({
                    'code': "100dis",
                    'minimum_amount': 0,
                })
            ],
            'reward_ids': [
                Command.create({
                    'discount': 100,
                }),
            ],
        })
        # Add order line to order
        self.env["sale.order.line"].create({
            'order_id': self.empty_order.id,
            'product_id': self.product_A.id,
            'product_uom_qty': 1,
            'price_unit': 200,
        })
        # Apply discount
        self._apply_promo_code(self.empty_order, '100dis')
        self.empty_order._validate_order()
        self.assertTrue(
            self.empty_order.invoice_ids,
            "Invoices should be generated for orders with zero total amount",
        )

    def test_automatic_invoice_email_on_zero_amount_order(self):
        self.env['ir.config_parameter'].sudo().set_bool('sale.automatic_invoice', True)

        # Create a loyalty program with 100% discount
        self.env['loyalty.program'].sudo().create({
            'name': '100discount',
            'program_type': 'promo_code',
            'rule_ids': [
                Command.create({
                    'code': "100dis",
                    'minimum_amount': 0,
                })
            ],
            'reward_ids': [
                Command.create({
                    'discount': 100,
                }),
            ],
        })

        # Create a dummy mail template for the invoice
        mail_template = self.env['mail.template'].create({
            'name': 'Test Invoice Template',
            'model_id': self.env.ref('account.model_account_move').id,
            'auto_delete': False,
        })
        self.env['ir.config_parameter'].sudo().set_int('sale.default_invoice_email_template', mail_template.id)

        # Ensure partner has an email address
        self.empty_order.partner_id.email = "test@example.com"

        # Add order line to order
        self.env["sale.order.line"].create({
            'order_id': self.empty_order.id,
            'product_id': self.product_A.id,
            'product_uom_qty': 1,
            'price_unit': 200,
        })

        # Apply discount
        self._apply_promo_code(self.empty_order, '100dis')

        self.empty_order._validate_order()

        self.assertTrue(
            self.empty_order.invoice_ids.is_move_sent,
            "Invoice should be marked as sent",
        )

        emails = self.env['mail.mail'].search([])
        self.assertTrue(
            emails,
            "An email should have been generated for the invoice",
        )