from django.test import TestCase

from apps.live_monitoring.models import Camera
from apps.live_monitoring.services import StreamAccessService


class StreamAccessTests(TestCase):
    def setUp(self):
        self.camera = Camera.objects.create(name="Cam1", stream_url="https://example.com/live.m3u8")
        self.service = StreamAccessService()

    def test_issue_and_verify_token(self):
        token, exp = self.service.issue_token(self.camera)
        payload = self.service.verify_token(token)
        self.assertIsNotNone(payload)
        self.assertEqual(payload["camera"], str(self.camera.id))
        self.assertGreater(payload["exp"], exp - 1)

    def test_tampered_token_rejected(self):
        token, _ = self.service.issue_token(self.camera)
        raw, _sig = token.split(".", 1)
        self.assertIsNone(self.service.verify_token(raw + ".deadbeef"))

    def test_expired_token_rejected(self):
        token, _ = self.service.issue_token(self.camera, ttl=-1)
        self.assertIsNone(self.service.verify_token(token))