from datetime import date

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


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

    def setUp(self):
        super().setUp()
        self.asset = self.env['fusion.asset'].create({
            'name': 'Disposable Asset',
            'cost': 10000,
            'salvage_value': 0,
            'acquisition_date': date(2026, 1, 1),
            'method': 'straight_line',
            'useful_life_years': 5,
        })

    def test_create_minimal_sale(self):
        d = self.env['fusion.asset.disposal'].create({
            'asset_id': self.asset.id,
            'disposal_type': 'sale',
            'sale_amount': 7000,
            'book_value_at_disposal': 6000,
        })
        self.assertEqual(d.gain_loss_amount, 1000)
        self.assertEqual(d.company_id, self.asset.company_id)

    def test_sale_at_loss(self):
        d = self.env['fusion.asset.disposal'].create({
            'asset_id': self.asset.id,
            'disposal_type': 'sale',
            'sale_amount': 4000,
            'book_value_at_disposal': 6000,
        })
        self.assertEqual(d.gain_loss_amount, -2000)

    def test_scrap_full_loss(self):
        d = self.env['fusion.asset.disposal'].create({
            'asset_id': self.asset.id,
            'disposal_type': 'scrap',
            'sale_amount': 0,
            'book_value_at_disposal': 6000,
        })
        self.assertEqual(d.gain_loss_amount, -6000)

    def test_donation_ignores_sale_amount(self):
        d = self.env['fusion.asset.disposal'].create({
            'asset_id': self.asset.id,
            'disposal_type': 'donation',
            'sale_amount': 999,
            'book_value_at_disposal': 6000,
        })
        self.assertEqual(d.gain_loss_amount, -6000)