"""Tests for commentary_prompt module."""

from odoo.tests.common import TransactionCase, tagged
from odoo.addons.fusion_accounting_reports.services.commentary_prompt import (
    SYSTEM_PROMPT, build_prompt,
)


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

    def test_system_prompt_requires_json(self):
        self.assertIn('JSON', SYSTEM_PROMPT)
        self.assertIn('"summary"', SYSTEM_PROMPT)
        self.assertIn('"highlights"', SYSTEM_PROMPT)

    def test_build_prompt_returns_tuple(self):
        report = {'report_name': 'P&L', 'period': {'label': 'Apr 2026',
                                                   'date_from': '2026-04-01',
                                                   'date_to': '2026-04-30'},
                  'rows': []}
        result = build_prompt(report, [])
        self.assertEqual(len(result), 2)
        self.assertIn('REPORT', result[1])
        self.assertIn('Apr 2026', result[1])

    def test_user_prompt_includes_rows(self):
        report = {
            'report_name': 'P&L',
            'period': {'label': 'X', 'date_from': 'a', 'date_to': 'b'},
            'rows': [
                {'id': 'r1', 'label': 'Revenue', 'amount': 100000.50},
                {'id': 'r2', 'label': 'Net Income', 'amount': 25000, 'is_subtotal': True},
            ],
        }
        _, user = build_prompt(report, [])
        self.assertIn('Revenue', user)
        self.assertIn('100,000.50', user)
        self.assertIn('SUBTOTAL', user)

    def test_user_prompt_includes_anomalies(self):
        report = {'report_name': 'X', 'period': {'label': 'X', 'date_from': '', 'date_to': ''}, 'rows': []}
        anomalies = [
            {'label': 'Revenue', 'direction': 'increase', 'variance_pct': 25.0,
             'variance_amount': 5000, 'severity': 'medium'},
        ]
        _, user = build_prompt(report, anomalies)
        self.assertIn('ANOMALIES', user)
        self.assertIn('Revenue', user)
        self.assertIn('25.0%', user)