import unittest
import os
import sys
import tempfile
from unittest.mock import MagicMock

# Mock pam module before importing backend components
sys.modules["pam"] = MagicMock()

from backend.settings import Settings
from backend.models import AccessRule, TimeWindow, DayOfWeek

# Import endpoint functions directly
from backend.app import get_rules, set_rule, delete_rule

class TestRulesDirect(unittest.TestCase):
    def setUp(self):
        self.tmp_fd, self.rules_file = tempfile.mkstemp()
        os.close(self.tmp_fd)
        
        self.settings = Settings()
        self.settings.rules_file = self.rules_file

    def tearDown(self):
        if os.path.exists(self.rules_file):
            os.remove(self.rules_file)

    def test_crud_rules_direct(self):
        # 1. Get empty rules
        rules = get_rules(settings=self.settings)
        self.assertEqual(rules.rules, {})

        # 2. Create rule
        rule = AccessRule(
            user="kid",
            enabled=True,
            allowed_windows=[
                TimeWindow(days=[DayOfWeek.MONDAY], start_time="14:00", end_time="16:00")
            ]
        )
        set_rule(rule, settings=self.settings)

        # 3. Verify created
        rules = get_rules(settings=self.settings)
        self.assertIn("kid", rules.rules)
        self.assertEqual(rules.rules["kid"].allowed_windows[0].start_time, "14:00")

        # 4. Delete rule
        delete_rule("kid", settings=self.settings)

        # 5. Verify deleted
        rules = get_rules(settings=self.settings)
        self.assertNotIn("kid", rules.rules)

if __name__ == "__main__":
    unittest.main()