"""Coexistence tests for fusion_accounting_reports.

Mirrors Phase 1's coexistence test pattern: verifies the menu requires
the coexistence group, and the engine model is always available."""

from odoo.tests.common import TransactionCase, tagged


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

    def setUp(self):
        super().setUp()
        self.coex_group = self.env.ref(
            'fusion_accounting_core.group_fusion_show_when_enterprise_absent',
            raise_if_not_found=False,
        )
        self.assertIsNotNone(self.coex_group, "Coexistence group must exist")

    def test_engine_always_available(self):
        """The engine is registered regardless of Enterprise install state."""
        self.assertIn('fusion.report.engine', self.env.registry)

    def test_menu_gated_by_coexistence_group(self):
        menu = self.env.ref('fusion_accounting_reports.menu_fusion_reports_root',
                            raise_if_not_found=False)
        if not menu:
            self.skipTest("Menu not loaded")
        menu_groups = getattr(menu, 'group_ids', None) or menu.groups_id
        self.assertIn(self.coex_group, menu_groups,
                      "Reports root menu must require the coexistence group")

    def test_period_picker_wizard_gated_too(self):
        menu = self.env.ref('fusion_accounting_reports.menu_fusion_reports_open',
                            raise_if_not_found=False)
        if not menu:
            self.skipTest("Menu not loaded")
        menu_groups = getattr(menu, 'group_ids', None) or menu.groups_id
        self.assertIn(self.coex_group, menu_groups)