# Copyright 2016 Tecnativa - Pedro M. Baeza
# Copyright 2018 Tecnativa - Carlos Dauden
# Copyright 2018 ACSONE SA/NV
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).

import odoo.tests
from odoo import exceptions


@odoo.tests.at_install(False)
@odoo.tests.post_install(True)
class TestContractVariableQuantity(odoo.tests.HttpCase):
    def setUp(self):
        super(TestContractVariableQuantity, self).setUp()
        self.partner = self.env['res.partner'].create({
            'name': 'Test partner',
        })
        self.product = self.env['product.product'].create({
            'name': 'Test product',
        })
        self.contract = self.env['account.analytic.account'].create({
            'name': 'Test Contract',
            'partner_id': self.partner.id,
            'pricelist_id': self.partner.property_product_pricelist.id,
            'recurring_invoices': True,
        })
        self.formula = self.env['contract.line.qty.formula'].create({
            'name': 'Test formula',
            # For testing each of the possible variables
            'code': 'env["res.users"]\n'
                    'context.get("lang")\n'
                    'user.id\n'
                    'line.qty_type\n'
                    'contract.id\n'
                    'invoice.id\n'
                    'result = 12',
        })
        self.contract_line = self.env['account.analytic.invoice.line'].create({
            'contract_id': self.contract.id,
            'product_id': self.product.id,
            'name': 'Test',
            'qty_type': 'variable',
            'qty_formula_id': self.formula.id,
            'quantity': 1,
            'uom_id': self.product.uom_id.id,
            'price_unit': 100,
            'discount': 50,
            'recurring_rule_type': 'monthly',
            'recurring_interval': 1,
            'date_start': '2016-02-15',
            'recurring_next_date': '2016-02-29',
        })

    def test_check_invalid_code(self):
        with self.assertRaises(exceptions.ValidationError):
            self.formula.code = "sdsds"

    def test_check_no_return_value(self):
        with self.assertRaises(exceptions.ValidationError):
            self.formula.code = "user.id"

    def test_check_variable_quantity(self):
        self.contract.recurring_create_invoice()
        invoice = self.contract._get_related_invoices()
        self.assertEqual(invoice.invoice_line_ids[0].quantity, 12)

    def test_check_skip_zero_qty(self):
        self.formula.code = 'result=0'
        self.contract.skip_zero_qty = True
        invoice = self.contract.recurring_create_invoice()
        self.assertFalse(invoice.invoice_line_ids)
        self.contract.skip_zero_qty = False
        invoice = self.contract.recurring_create_invoice()
        self.assertAlmostEqual(invoice.invoice_line_ids[0].quantity, 0.0)