import types
import unittest
from unittest.mock import patch

from modules import app_gps


class GpsStatusTest(unittest.TestCase):
    def test_get_status_without_fix(self):
        original_thread = app_gps._gps_thread
        original_lat = app_gps.LocationX
        original_lon = app_gps.LocationY
        original_last_fix = app_gps.last_fix_at
        try:
            app_gps._gps_thread = None
            app_gps.LocationX = None
            app_gps.LocationY = None
            app_gps.last_fix_at = None

            status = app_gps.get_status()

            self.assertFalse(status["thread_alive"])
            self.assertFalse(status["has_fix"])
            self.assertIsNone(status["fix_age_seconds"])
        finally:
            app_gps._gps_thread = original_thread
            app_gps.LocationX = original_lat
            app_gps.LocationY = original_lon
            app_gps.last_fix_at = original_last_fix

    @patch("modules.app_gps.get_fix_age", return_value=12.5)
    def test_get_status_with_fix(self, get_fix_age):
        original_thread = app_gps._gps_thread
        original_lat = app_gps.LocationX
        original_lon = app_gps.LocationY
        original_last_fix = app_gps.last_fix_at
        try:
            app_gps._gps_thread = types.SimpleNamespace(is_alive=lambda: True)
            app_gps.LocationX = "45.5017"
            app_gps.LocationY = "-73.5673"
            app_gps.last_fix_at = 1.0

            status = app_gps.get_status()

            self.assertTrue(status["thread_alive"])
            self.assertTrue(status["has_fix"])
            self.assertEqual(status["latitude"], "45.5017")
            self.assertEqual(status["longitude"], "-73.5673")
            self.assertEqual(status["fix_age_seconds"], 12.5)
            get_fix_age.assert_called_once_with()
        finally:
            app_gps._gps_thread = original_thread
            app_gps.LocationX = original_lat
            app_gps.LocationY = original_lon
            app_gps.last_fix_at = original_last_fix


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