from django.test import TestCase
from django.urls import reverse
from django.utils import timezone

from apps.pages.models import BlogPost, HomepageSection


class HomeViewTest(TestCase):
    def test_home_returns_200(self):
        response = self.client.get(reverse("pages:home"))
        self.assertEqual(response.status_code, 200)

    def test_home_uses_correct_template(self):
        response = self.client.get(reverse("pages:home"))
        self.assertTemplateUsed(response, "pages/home.html")

    def test_section_description_renders_markdown_and_html(self):
        HomepageSection.objects.create(
            section_type=HomepageSection.TYPE_FEATURES,
            title="Rich section",
            description="**Formatted** content",
            description_format="markdown",
        )
        response = self.client.get(reverse("pages:home"))
        self.assertContains(response, "<strong>Formatted</strong>")


class AboutViewTest(TestCase):
    def test_about_returns_200(self):
        response = self.client.get(reverse("pages:about"))
        self.assertEqual(response.status_code, 200)

    def test_about_uses_correct_template(self):
        response = self.client.get(reverse("pages:about"))
        self.assertTemplateUsed(response, "pages/about.html")


class BlogViewTest(TestCase):
    def setUp(self):
        self.post = BlogPost.objects.create(
            title="Research update",
            slug="research-update",
            excerpt="A short summary.",
            content="## Results\n\n**Promising** findings.",
            content_format="markdown",
            status=BlogPost.STATUS_PUBLISHED,
            published_at=timezone.now(),
        )

    def test_blog_list_and_detail_render_published_post(self):
        listing = self.client.get(reverse("pages:blog_list"))
        detail = self.client.get(self.post.get_absolute_url())
        self.assertContains(listing, self.post.title)
        self.assertContains(detail, "<h2>Results</h2>")
        self.assertContains(detail, "<strong>Promising</strong>")

    def test_draft_post_is_not_public(self):
        self.post.status = BlogPost.STATUS_DRAFT
        self.post.save(update_fields=["status"])
        self.assertNotContains(self.client.get(reverse("pages:blog_list")), self.post.title)
        self.assertEqual(self.client.get(self.post.get_absolute_url()).status_code, 404)


class ContactViewTest(TestCase):
    def test_contact_returns_200(self):
        response = self.client.get(reverse("pages:contact"))
        self.assertEqual(response.status_code, 200)

    def test_contact_uses_correct_template(self):
        response = self.client.get(reverse("pages:contact"))
        self.assertTemplateUsed(response, "pages/contact.html")


class NavigationContextTest(TestCase):
    def test_nav_main_products_in_context_on_all_pages(self):
        urls = [
            reverse("pages:home"),
            reverse("pages:about"),
            reverse("pages:blog_list"),
            reverse("pages:contact"),
            reverse("products:overview"),
        ]
        for url in urls:
            response = self.client.get(url)
            self.assertIn(
                "nav_main_products",
                response.context,
                f"Missing nav_main_products at {url}",
            )

    def test_nav_custom_pages_in_context_on_all_pages(self):
        urls = [
            reverse("pages:home"),
            reverse("pages:about"),
            reverse("pages:blog_list"),
            reverse("pages:contact"),
        ]
        for url in urls:
            response = self.client.get(url)
            self.assertIn(
                "nav_custom_pages",
                response.context,
                f"Missing nav_custom_pages at {url}",
            )