from odoo.tests.common import TransactionCase, tagged
from odoo.addons.fusion_accounting_ai.services.data_adapters.base import (
    DataAdapter, AdapterMode,
)
from odoo.addons.fusion_accounting_ai.services.data_adapters import get_adapter


@tagged('post_install', '-at_install')
class TestDataAdapterBase(TransactionCase):
    """Verify the data adapter base class chooses the correct backend."""

    def test_adapter_mode_pure_community(self):
        """With no fusion native and no Enterprise, adapter selects COMMUNITY."""
        adapter = DataAdapter(self.env)
        mode = adapter._select_mode(
            fusion_native_model='fusion.bank.rec.widget',
            enterprise_module='account_accountant',
        )
        self.assertIn(mode, (AdapterMode.FUSION, AdapterMode.ENTERPRISE, AdapterMode.COMMUNITY))

    def test_adapter_falls_back_when_fusion_model_missing(self):
        """Adapter must not error when the fusion native model isn't loaded."""
        adapter = DataAdapter(self.env)
        mode = adapter._select_mode(
            fusion_native_model='fusion.never.exists',
            enterprise_module='also_does_not_exist',
        )
        self.assertEqual(mode, AdapterMode.COMMUNITY)


@tagged('post_install', '-at_install')
class TestBankRecAdapter(TransactionCase):
    """Verify the bank-rec adapter returns rows in any install profile."""

    def setUp(self):
        super().setUp()
        self.journal = self.env['account.journal'].create({
            'name': 'Test Bank',
            'type': 'bank',
            'code': 'TBNK',
        })
        self.statement = self.env['account.bank.statement'].create({
            'name': 'Test Statement',
            'journal_id': self.journal.id,
        })
        self.line = self.env['account.bank.statement.line'].create({
            'statement_id': self.statement.id,
            'journal_id': self.journal.id,
            'date': '2026-04-18',
            'payment_ref': 'Test Payment',
            'amount': 100.0,
        })

    def test_list_unreconciled_returns_our_test_line(self):
        """The adapter should find the unreconciled line we just created."""
        adapter = get_adapter(self.env, 'bank_rec')
        rows = adapter.list_unreconciled(journal_id=self.journal.id, limit=10)
        ids = [r['id'] for r in rows]
        self.assertIn(self.line.id, ids,
            f"Expected line {self.line.id} in unreconciled list, got: {ids}")


@tagged('post_install', '-at_install')
class TestReportsAdapter(TransactionCase):
    """Verify the reports adapter computes a trial-balance-shaped result."""

    def test_trial_balance_returns_rows_in_pure_community(self):
        adapter = get_adapter(self.env, 'reports')
        result = adapter.trial_balance()
        self.assertIsInstance(result, list)
        for row in result:
            self.assertIn('account_id', row)
            self.assertIn('balance', row)

    def test_run_report_returns_lines_or_error_dict(self):
        """run_report() must always return either an Enterprise-shaped
        {'report_name', 'lines'} dict or an {'error': ...} dict — never raise."""
        adapter = get_adapter(self.env, 'reports')
        result = adapter.run_report(ref_id='account_reports.profit_and_loss')
        self.assertIsInstance(result, dict)
        # Either a report_name+lines response or an error — both valid
        self.assertTrue(
            ('lines' in result and 'report_name' in result) or 'error' in result,
            f"Unexpected result shape: {result!r}",
        )

    def test_run_report_with_unknown_ref_returns_error(self):
        adapter = get_adapter(self.env, 'reports')
        result = adapter.run_report(ref_id='nonexistent.report.xml_id')
        self.assertIsInstance(result, dict)
        self.assertIn('error', result)

    def test_export_report_returns_dict(self):
        adapter = get_adapter(self.env, 'reports')
        result = adapter.export_report(
            ref_id='account_reports.profit_and_loss', fmt='pdf',
        )
        self.assertIsInstance(result, dict)


@tagged('post_install', '-at_install')
class TestFollowupAdapter(TransactionCase):
    def test_overdue_invoices_returns_list(self):
        adapter = get_adapter(self.env, 'followup')
        rows = adapter.overdue_invoices(days_overdue=30)
        self.assertIsInstance(rows, list)

    def test_overdue_invoices_row_has_contact_fields(self):
        """The enriched shape must include email, phone, and amount_total so
        the accounts_receivable tool wrapper can render them."""
        adapter = get_adapter(self.env, 'followup')
        rows = adapter.overdue_invoices(days_overdue=30, limit=5)
        for row in rows:
            for key in (
                'id', 'name', 'partner_id', 'partner_name',
                'partner_email', 'partner_phone',
                'invoice_date_due', 'amount_total', 'amount_residual',
                'days_overdue',
            ):
                self.assertIn(key, row, f"Missing key {key!r} in overdue row")

    def test_aged_receivables_returns_bucket_shape(self):
        adapter = get_adapter(self.env, 'followup')
        result = adapter.aged_receivables(company_id=self.env.company.id)
        self.assertIn('total', result)
        self.assertIn('buckets', result)
        self.assertIn('line_count', result)
        for bucket in ('current', '1_30', '31_60', '61_90', '90_plus'):
            self.assertIn(bucket, result['buckets'])

    def test_aged_payables_returns_bucket_shape(self):
        adapter = get_adapter(self.env, 'followup')
        result = adapter.aged_payables(company_id=self.env.company.id)
        self.assertIn('total', result)
        self.assertIn('buckets', result)
        self.assertIn('line_count', result)
        for bucket in ('current', '1_30', '31_60', '61_90', '90_plus'):
            self.assertIn(bucket, result['buckets'])


@tagged('post_install', '-at_install')
class TestAssetsAdapter(TransactionCase):
    def test_list_assets_returns_dict_with_assets(self):
        # Phase 3 (fusion_accounting_assets) wired list_assets to return
        # {count, total, assets} — consistent with bank_rec.list_unreconciled etc.
        adapter = get_adapter(self.env, 'assets')
        rows = adapter.list_assets()
        self.assertIsInstance(rows, dict)
        self.assertIn('assets', rows)
        self.assertIsInstance(rows['assets'], list)