"""Tests for core middleware"""

from django.urls import reverse
from rest_framework.test import APITestCase


class RequestIDMiddlewareTest(APITestCase):
    """Tests for RequestIDMiddleware"""

    def test_request_id_generated(self):
        """Test that request ID is generated and returned in response header"""
        url = reverse("core:health")
        response = self.client.get(url)

        self.assertIn("X-Request-ID", response)
        self.assertIsNotNone(response["X-Request-ID"])
        # UUID format check (36 chars with hyphens)
        self.assertEqual(len(response["X-Request-ID"]), 36)

    def test_request_id_passed_through(self):
        """Test that provided X-Request-ID is passed through"""
        url = reverse("core:health")
        custom_id = "custom-request-id-12345"
        response = self.client.get(url, HTTP_X_REQUEST_ID=custom_id)

        self.assertEqual(response["X-Request-ID"], custom_id)

    def test_different_requests_different_ids(self):
        """Test that different requests get different IDs"""
        url = reverse("core:health")
        response1 = self.client.get(url)
        response2 = self.client.get(url)

        self.assertNotEqual(response1["X-Request-ID"], response2["X-Request-ID"])