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

from apps.core.models import SiteBranding
from apps.pages.models import AboutSection, AboutSectionItem, BlogPost, BlogPostPartner, 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")

    def test_people_section_orders_roles_and_controls_read_more_per_text(self):
        section = AboutSection.objects.create(
            section_type=AboutSection.TYPE_PEOPLE,
            badge="Our team", title="People behind the work",
            content="Section introduction", read_more_content=True,
        )
        AboutSectionItem.objects.create(section=section, title="Advisor", role="Scientific advisor", content="Advisor profile", order=1)
        AboutSectionItem.objects.create(section=section, title="Collaborator", role="Collaborator", content="Collaboration profile", read_more_content=True, order=3)
        AboutSectionItem.objects.create(section=section, title="Organizer", role="Organizer", content="Organizer profile", order=9)
        AboutSectionItem.objects.create(section=section, title="Leader", role="Leader", content="Leader profile", order=20)
        html = self.client.get(reverse("pages:about")).content.decode()
        self.assertIn("People behind the work", html)
        self.assertIn("Scientific advisor", html)
        self.assertLess(html.index(">Leader</h4>"), html.index(">Organizer</h4>"))
        self.assertLess(html.index(">Organizer</h4>"), html.index(">Collaborator</h4>"))
        self.assertLess(html.index(">Collaborator</h4>"), html.index(">Advisor</h4>"))
        self.assertIn("Lead / Leader", html)
        self.assertIn('data-readmore="200"', html)
        self.assertEqual(html.count('data-readmore="88"'), 1)

    def test_empty_people_section_is_hidden(self):
        AboutSection.objects.create(section_type=AboutSection.TYPE_PEOPLE, title="Nobody yet")
        response = self.client.get(reverse("pages:about"))
        self.assertNotContains(response, "Nobody yet")


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>")
        self.assertNotContains(detail, "blog-partners")
        self.assertNotContains(detail, "blog-detail-layout--with-partners")

    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)

    def test_article_partners_render_with_roles_and_optional_details(self):
        BlogPostPartner.objects.create(
            post=self.post, role=BlogPostPartner.ORGANIZER, name="Research Group",
            description="Project lead", image="blog/partners/group.png",
            image_alt="Research Group logo", url="https://example.org",
        )
        BlogPostPartner.objects.create(
            post=self.post, role=BlogPostPartner.COLLABORATOR, name="Care Team"
        )
        detail = self.client.get(self.post.get_absolute_url())
        self.assertContains(detail, "Research Group")
        self.assertContains(detail, "Collaborator")
        self.assertContains(detail, "Research Group logo")
        self.assertContains(detail, "https://example.org")
        self.assertContains(detail, "Care Team")

    def test_blog_read_more_is_opt_in(self):
        detail = self.client.get(self.post.get_absolute_url())
        self.assertNotContains(detail, 'data-readmore="600"')
        self.post.read_more_content = True
        self.post.save(update_fields=["read_more_content"])
        detail = self.client.get(self.post.get_absolute_url())
        self.assertContains(detail, 'data-readmore="600"')

    def test_partners_follow_article_and_sort_by_role_then_number(self):
        BlogPostPartner.objects.create(post=self.post, role=BlogPostPartner.COLLABORATOR, name="Second collaborator", order=2)
        BlogPostPartner.objects.create(post=self.post, role=BlogPostPartner.COLLABORATOR, name="First collaborator", order=1)
        BlogPostPartner.objects.create(post=self.post, role=BlogPostPartner.ORGANIZER, name="Organizer", order=9)
        BlogPostPartner.objects.create(post=self.post, role="Lead", name="Lead", order=5)
        BlogPostPartner.objects.create(post=self.post, role="Leader", name="Leader", order=1)
        html = self.client.get(self.post.get_absolute_url()).content.decode()
        self.assertLess(html.index('class="blog-article rich-content'), html.index('class="blog-partners"'))
        self.assertLess(html.index('>Leader</h4>'), html.index('>Lead</h4>'))
        self.assertLess(html.index('>Lead</h4>'), html.index('>Organizer</h4>'))
        self.assertLess(html.index('>Organizer</h4>'), html.index('>First collaborator</h4>'))
        self.assertLess(html.index('>First collaborator</h4>'), html.index('>Second collaborator</h4>'))
        self.assertLess(html.index('Lead / Leader'), html.index('>Organizers</h3>'))

    def test_partner_headings_are_shared_and_description_read_more_is_independent(self):
        branding = SiteBranding.load()
        branding.article_people_eyebrow = "Our team"
        branding.article_people_title = "Project contributors"
        branding.save(update_fields=["article_people_eyebrow", "article_people_title"])
        partner = BlogPostPartner.objects.create(
            post=self.post, role=BlogPostPartner.ORGANIZER,
            name="Coordinator", description="A detailed profile", read_more_description=True,
        )
        html = self.client.get(self.post.get_absolute_url()).content.decode()
        self.assertIn("Our team", html)
        self.assertIn("Project contributors", html)
        self.assertNotIn("The people behind this article", html)
        self.assertIn('data-readmore="88"', html)
        partner.read_more_description = False
        partner.save(update_fields=["read_more_description"])
        html = self.client.get(self.post.get_absolute_url()).content.decode()
        self.assertNotIn('data-readmore="88"', html)

        other_post = BlogPost.objects.create(
            title="Another update", slug="another-update", content="Another article",
            status=BlogPost.STATUS_PUBLISHED, published_at=timezone.now(),
        )
        BlogPostPartner.objects.create(post=other_post, name="Contributor")
        other_html = self.client.get(other_post.get_absolute_url()).content.decode()
        self.assertIn("Our team", other_html)
        self.assertIn("Project contributors", other_html)

    def test_custom_role_can_be_named_by_admin(self):
        BlogPostPartner.objects.create(post=self.post, role="Scientific advisor", name="Advisor", order=0)
        BlogPostPartner.objects.create(post=self.post, role=BlogPostPartner.COLLABORATOR, name="Partner", order=5)
        BlogPostPartner.objects.create(post=self.post, role=BlogPostPartner.ORGANIZER, name="Lead", order=9)
        html = self.client.get(self.post.get_absolute_url()).content.decode()
        self.assertIn("Scientific advisor", html)
        self.assertLess(html.index(">Lead</h4>"), html.index(">Partner</h4>"))
        self.assertLess(html.index(">Partner</h4>"), html.index(">Advisor</h4>"))


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}",
            )