from datetime import date

from odoo.tests.common import TransactionCase
from odoo.tests import tagged


@tagged('post_install', '-at_install')
class TestFusionAssetAnomaly(TransactionCase):

    def setUp(self):
        super().setUp()
        self.asset = self.env['fusion.asset'].create({
            'name': 'Watched Asset',
            'cost': 5000,
            'acquisition_date': date(2026, 1, 1),
        })

    def _make_anomaly(self, **kw):
        vals = {
            'asset_id': self.asset.id,
            'anomaly_type': 'behind_schedule',
            'severity': 'medium',
            'expected': 1000.0,
            'actual': 700.0,
            'variance_pct': -30.0,
        }
        vals.update(kw)
        return self.env['fusion.asset.anomaly'].create(vals)

    def test_create_defaults_state_new(self):
        a = self._make_anomaly()
        self.assertEqual(a.state, 'new')
        self.assertTrue(a.detected_at)
        self.assertEqual(a.company_id, self.asset.company_id)

    def test_acknowledge_transitions(self):
        a = self._make_anomaly()
        a.action_acknowledge()
        self.assertEqual(a.state, 'acknowledged')

    def test_dismiss_transitions(self):
        a = self._make_anomaly()
        a.action_dismiss()
        self.assertEqual(a.state, 'dismissed')

    def test_resolve_transitions(self):
        a = self._make_anomaly(anomaly_type='low_utilization', severity='high')
        a.action_resolve()
        self.assertEqual(a.state, 'resolved')