from datetime import date

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


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

    def setUp(self):
        super().setUp()
        self.env['ir.config_parameter'].sudo().search([
            ('key', 'in', ['fusion_accounting.provider.asset_useful_life',
                           'fusion_accounting.provider.default'])
        ]).unlink()

    def test_create_minimal_asset(self):
        wizard = self.env['fusion.create.asset.wizard'].create({
            'name': 'Test Asset',
            'cost': 5000,
            'method': 'straight_line',
            'useful_life_years': 5,
            'acquisition_date': date(2026, 1, 1),
            'source_invoice_line_id': False,
        })
        action = wizard.action_create_asset()
        self.assertEqual(action['res_model'], 'fusion.asset')
        asset = self.env['fusion.asset'].browse(action['res_id'])
        self.assertEqual(asset.name, 'Test Asset')
        self.assertEqual(asset.cost, 5000)

    def test_ai_suggest_fills_fields(self):
        wizard = self.env['fusion.create.asset.wizard'].create({
            'name': 'Dell laptop',
            'cost': 2000,
            'method': 'straight_line',
            'useful_life_years': 5,
            'acquisition_date': date(2026, 1, 1),
        })
        wizard.action_ai_suggest()
        self.assertEqual(wizard.ai_suggested_years, 4)
        self.assertEqual(wizard.useful_life_years, 4)

    def test_category_onchange_pre_fills(self):
        category = self.env['fusion.asset.category'].create({
            'name': 'Test Category',
            'method': 'declining_balance',
            'useful_life_years': 7,
            'declining_rate_pct': 25.0,
            'salvage_value_pct': 10.0,
        })
        wizard = self.env['fusion.create.asset.wizard'].new({
            'name': 'Test', 'cost': 10000,
            'method': 'straight_line', 'useful_life_years': 5,
            'acquisition_date': date(2026, 1, 1),
            'category_id': category.id,
        })
        wizard._onchange_category_id()
        self.assertEqual(wizard.method, 'declining_balance')
        self.assertEqual(wizard.useful_life_years, 7)
        self.assertEqual(wizard.declining_rate_pct, 25.0)
        self.assertAlmostEqual(wizard.salvage_value, 1000, places=2)