# -*- coding: utf-8 -*-
from odoo.tests import TransactionCase, tagged


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

    @classmethod
    def setUpClass(cls):
        super().setUpClass()
        cls.partner = cls.env['res.partner'].create({'name': 'Mrs. Test Client'})
        cls.category = cls.env['fusion.repair.product.category'].create({
            'name': 'Stair Lift', 'code': 'stairlift_test',
            'equipment_class': 'lift_elevating', 'safety_critical': True,
            'x_fc_maintenance_enabled': True,
            'x_fc_maintenance_interval_months': 6,
            'x_fc_maintenance_fee': 149.0,
        })

    # ---- Tasks 1/2/3: fields exist ----
    def test_category_policy_fields(self):
        self.assertTrue(self.category.x_fc_maintenance_enabled)
        self.assertEqual(self.category.x_fc_maintenance_interval_months, 6)
        self.assertEqual(self.category.x_fc_maintenance_fee, 149.0)
        self.assertTrue(self.category.currency_id)

    def test_product_fee_override_field(self):
        tmpl = self.env['product.template'].create({
            'name': 'Handicare Freecurve Stairlift',
            'x_fc_repair_category_id': self.category.id,
            'x_fc_maintenance_fee': 199.0,
        })
        self.assertEqual(tmpl.x_fc_maintenance_fee, 199.0)

    def test_contract_extension_fields(self):
        product = self.env['product.product'].create({'name': 'Unit'})
        c = self.env['fusion.repair.maintenance.contract'].create({
            'partner_id': self.partner.id,
            'product_id': product.id,
            'next_due_date': '2026-12-01',
            'x_fc_source': 'sale',
            'x_fc_device_serial': 'SN-123',
            'x_fc_maintenance_fee': 149.0,
        })
        self.assertEqual(c.x_fc_source, 'sale')
        self.assertEqual(c.x_fc_device_serial, 'SN-123')
        self.assertEqual(c.x_fc_maintenance_fee, 149.0)

    # ---- Task 4: spawn priced contracts on sale confirm ----
    def _make_product(self, **kw):
        vals = {'name': 'Stairlift Unit', 'type': 'consu',
                'x_fc_repair_category_id': self.category.id}
        vals.update(kw)
        return self.env['product.product'].create(vals)

    def _confirm_so(self, product, commitment='2026-01-10'):
        so = self.env['sale.order'].create({
            'partner_id': self.partner.id,
            'commitment_date': commitment,
            'order_line': [(0, 0, {'product_id': product.id, 'product_uom_qty': 1})],
        })
        so.action_confirm()
        return so

    def _contracts_for(self, so):
        return self.env['fusion.repair.maintenance.contract'].search(
            [('original_sale_order_id', '=', so.id)])

    def test_no_contract_when_category_not_maintainable(self):
        cat = self.env['fusion.repair.product.category'].create(
            {'name': 'Cane', 'code': 'cane_test', 'x_fc_maintenance_enabled': False})
        so = self._confirm_so(self._make_product(x_fc_repair_category_id=cat.id))
        self.assertFalse(self._contracts_for(so))

    def test_contract_created_via_category_policy(self):
        so = self._confirm_so(self._make_product())
        contracts = self._contracts_for(so)
        self.assertEqual(len(contracts), 1)
        c = contracts
        self.assertEqual(c.interval_months, 6)
        self.assertEqual(c.x_fc_maintenance_fee, 149.0)
        self.assertEqual(c.x_fc_source, 'sale')
        self.assertEqual(c.x_fc_policy_category_id, self.category)
        # anchor = commitment_date (2026-01-10) + 6 months
        self.assertEqual(str(c.next_due_date), '2026-07-10')

    def test_product_override_beats_category(self):
        p = self._make_product()
        p.product_tmpl_id.x_fc_maintenance_interval_months = 3
        p.product_tmpl_id.x_fc_maintenance_fee = 199.0
        so = self._confirm_so(p)
        c = self._contracts_for(so)
        self.assertEqual(c.interval_months, 3)
        self.assertEqual(c.x_fc_maintenance_fee, 199.0)

    def test_idempotent_on_reconfirm(self):
        p = self._make_product()
        so = self._confirm_so(p)
        so._spawn_maintenance_contracts()  # call again -> no duplicate
        self.assertEqual(len(self._contracts_for(so)), 1)