# Copyright 2018 Eficent Business and IT Consulting Services S.L.
# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).

from odoo.tests import common
from odoo.exceptions import ValidationError, UserError
from .common import setup_test_model
from .tier_validation_tester import TierValidationTester


@common.at_install(False)
@common.post_install(True)
class TierTierValidation(common.SavepointCase):

    @classmethod
    def setUpClass(cls):
        super(TierTierValidation, cls).setUpClass()

        setup_test_model(cls.env, [TierValidationTester])

        cls.test_model = cls.env[TierValidationTester._name]

        cls.tester_model = cls.env['ir.model'].search([
            ('model', '=', 'tier.validation.tester')])

        # Access record:
        cls.env["ir.model.access"].create({
            'name': "access.tester",
            'model_id': cls.tester_model.id,
            'perm_read': 1,
            'perm_write': 1,
            'perm_create': 1,
            'perm_unlink': 1,
        })

        # Create users:
        group_ids = cls.env.ref('base.group_system').ids
        cls.test_user_1 = cls.env['res.users'].create({
            'name': 'John',
            'login': 'test1',
            'groups_id': [(6, 0, group_ids)],
        })
        cls.test_user_2 = cls.env['res.users'].create({
            'name': 'Mike',
            'login': 'test2',
        })

        # Create tier definition:
        cls.tier_def_obj = cls.env['tier.definition']
        cls.tier_def_obj.create({
            'model_id': cls.tester_model.id,
            'review_type': 'individual',
            'reviewer_id': cls.test_user_1.id,
            'python_code': 'rec.test_field > 1.0',
        })

        cls.test_record = cls.test_model.create({
            'test_field': 2.5,
        })

    def test_01_auto_validation(self):
        """When the user can validate all future reviews, it is not needed
        to request a validation, the action can be done straight forward."""
        self.test_record.sudo(self.test_user_1.id).action_confirm()
        self.assertEqual(self.test_record.state, 'confirmed')

    def test_02_no_auto_validation(self):
        """User with no right to validate future reviews must request a
        validation."""
        with self.assertRaises(ValidationError):
            self.test_record.sudo(self.test_user_2.id).action_confirm()

    def test_03_request_validation_approved(self):
        """User 2 request a validation and user 1 approves it."""
        self.assertFalse(self.test_record.review_ids)
        reviews = self.test_record.sudo(
            self.test_user_2.id).request_validation()
        self.assertTrue(reviews)
        record = self.test_record.sudo(self.test_user_1.id)
        record.validate_tier()
        self.assertTrue(record.validated)

    def test_04_request_validation_rejected(self):
        """Request validation, rejection and reset."""
        self.assertFalse(self.test_record.review_ids)
        reviews = self.test_record.sudo(
            self.test_user_2.id).request_validation()
        self.assertTrue(reviews)
        record = self.test_record.sudo(self.test_user_1.id)
        record.reject_tier()
        self.assertTrue(record.review_ids)
        self.assertTrue(record.rejected)
        record.restart_validation()
        self.assertFalse(record.review_ids)

    def test_05_under_validation(self):
        """Write is forbidden in a record under validation."""
        self.assertFalse(self.test_record.review_ids)
        reviews = self.test_record.sudo(
            self.test_user_2.id).request_validation()
        self.assertTrue(reviews)
        record = self.test_record.sudo(self.test_user_1.id)
        with self.assertRaises(ValidationError):
            record.write({'test_field': 0.5})

    def test_06_validation_process_open(self):
        """Operation forbidden while a validation process is open."""
        self.assertFalse(self.test_record.review_ids)
        reviews = self.test_record.sudo(
            self.test_user_2.id).request_validation()
        self.assertTrue(reviews)
        record = self.test_record.sudo(self.test_user_1.id)
        with self.assertRaises(ValidationError):
            record.action_confirm()

    def test_07_search_reviewers(self):
        """Test search methods."""
        reviews = self.test_record.sudo(
            self.test_user_2.id).request_validation()
        self.assertTrue(reviews)
        record = self.test_record.sudo(self.test_user_1.id)
        self.assertIn(self.test_user_1, record.reviewer_ids)
        res = self.test_model.search(
            [('reviewer_ids', 'in', self.test_user_1.id)])
        self.assertTrue(res)

    def test_08_search_validated(self):
        """Test for the validated search method."""
        self.test_record.sudo(self.test_user_2.id).request_validation()
        res = self.test_model.sudo(self.test_user_1.id).search(
            [('validated', '=', False)])
        self.assertTrue(res)

    def test_09_wrong_tier_definition(self):
        """Error should raise with incorrect python expresions on
        tier definitions."""
        self.tier_def_obj.create({
            'model_id': self.tester_model.id,
            'review_type': 'individual',
            'reviewer_id': self.test_user_1.id,
            'python_code': 'rec.not_existing_field > 1.0',
        })
        with self.assertRaises(UserError):
            self.test_record.sudo(self.test_user_1.id).action_confirm()

    def test_10_dummy_tier_definition(self):
        """Test tier.definition methods."""
        res = self.tier_def_obj._get_tier_validation_model_names()
        self.assertEqual(res, [])
        res = self.tier_def_obj.onchange_model_id()
        self.assertTrue(res)