from datetime import timedelta

from django.contrib.auth import get_user_model
from django.test import Client, TestCase
from django.urls import reverse
from django.utils import timezone

from analytics.models import PageView, UTMVisit


class PublicPageViewTests(TestCase):
    def setUp(self):
        self.client = Client()

    def test_home_records_page_view(self):
        response = self.client.get("/")
        self.assertEqual(response.status_code, 200)
        self.assertEqual(PageView.objects.count(), 1)
        self.assertEqual(PageView.objects.get().path, "/")

    def test_about_records_page_view(self):
        self.client.get(reverse("public:about"))
        self.assertEqual(PageView.objects.filter(path="/about/").count(), 1)

    def test_plain_visit_does_not_create_utm_visit(self):
        self.client.get("/")
        self.assertEqual(PageView.objects.count(), 1)
        self.assertEqual(UTMVisit.objects.count(), 0)

    def test_utm_hit_records_both(self):
        self.client.get("/?utm_source=test&utm_campaign=demo")
        self.assertEqual(PageView.objects.count(), 1)
        self.assertEqual(UTMVisit.objects.count(), 1)

    def test_healthz_not_recorded(self):
        self.client.get("/healthz/")
        self.assertEqual(PageView.objects.count(), 0)

    def test_portal_and_admin_not_recorded(self):
        self.client.get("/portal/")
        self.client.get("/admin/")
        self.assertEqual(PageView.objects.count(), 0)

    def test_robots_and_sitemap_not_recorded(self):
        self.client.get("/robots.txt")
        self.client.get("/sitemap.xml")
        self.assertEqual(PageView.objects.count(), 0)

    def test_missing_page_not_recorded(self):
        response = self.client.get("/not-a-real-page/")
        self.assertEqual(response.status_code, 404)
        self.assertEqual(PageView.objects.count(), 0)

    def test_contact_post_not_recorded(self):
        self.client.post(reverse("public:contact"), {})
        self.assertEqual(PageView.objects.count(), 0)


class AnalyticsReportTests(TestCase):
    def setUp(self):
        self.client = Client()
        user = get_user_model().objects.create_user(
            username="monica", password="pass-word-1"
        )
        self.client.force_login(user)

    def test_views_card_uses_public_pageviews(self):
        self.client.get("/")
        self.client.get(reverse("public:about"))
        self.client.get(reverse("public:about"))
        stale = PageView.objects.create(path="/terms/")
        PageView.objects.filter(pk=stale.pk).update(
            created_at=timezone.now() - timedelta(days=31)
        )

        response = self.client.get(reverse("analytics:report"))
        self.assertEqual(response.status_code, 200)
        self.assertEqual(response.context["pageviews_last_30_days"], 3)
        top = {row["path"]: row["count"] for row in response.context["top_pages"]}
        self.assertEqual(top["/about/"], 2)
        self.assertEqual(top["/"], 1)
        self.assertNotIn("/terms/", top)
        self.assertContains(response, "Top pages")
        self.assertContains(response, "/about/")