import pytest
from wagtail.models import Site

from apps.blog.models import AboutPage, ArticleIndexPage
from apps.core.models import NavigationMenuItem, SiteSettings, SocialMediaLink


@pytest.fixture
def site_with_nav(home_page):
    """Create SiteSettings with nav items and social links for testing."""
    site = Site.objects.get(is_default_site=True)
    settings, _ = SiteSettings.objects.get_or_create(site=site)

    # Clear any items seeded by the data migration
    settings.navigation_items.all().delete()
    settings.social_links.all().delete()

    # Create article index and about page
    article_index = ArticleIndexPage(title="Articles", slug="articles")
    home_page.add_child(instance=article_index)
    article_index.save_revision().publish()

    about = AboutPage(
        title="About",
        slug="about",
        mission_statement="Test mission",
        body="<p>About page</p>",
    )
    home_page.add_child(instance=about)
    about.save_revision().publish()

    # Create nav items
    NavigationMenuItem.objects.create(
        settings=settings,
        link_page=home_page,
        link_title="Home",
        show_in_header=True,
        show_in_footer=True,
        sort_order=0,
    )
    NavigationMenuItem.objects.create(
        settings=settings,
        link_page=article_index,
        link_title="Articles",
        show_in_header=True,
        show_in_footer=True,
        sort_order=1,
    )
    NavigationMenuItem.objects.create(
        settings=settings,
        link_page=about,
        link_title="About",
        show_in_header=True,
        show_in_footer=False,
        sort_order=2,
    )

    # Social links
    SocialMediaLink.objects.create(
        settings=settings,
        platform="twitter",
        url="https://twitter.com/nohypeai",
        label="Twitter (X)",
        sort_order=0,
    )
    SocialMediaLink.objects.create(
        settings=settings,
        platform="rss",
        url="/feed/",
        label="RSS Feed",
        sort_order=1,
    )

    return settings


@pytest.mark.django_db
class TestNavigationMenuItem:
    def test_live_page_is_rendered(self, site_with_nav):
        items = [i for i in site_with_nav.navigation_items.all() if i.is_live]
        assert len(items) == 3

    def test_unpublished_page_excluded(self, site_with_nav):
        about_item = site_with_nav.navigation_items.get(link_title="About")
        about_item.link_page.unpublish()
        items = [i for i in site_with_nav.navigation_items.all() if i.is_live]
        assert len(items) == 2
        assert all(i.link_title != "About" for i in items)

    def test_external_url_item(self, site_with_nav):
        NavigationMenuItem.objects.create(
            settings=site_with_nav,
            link_url="https://example.com",
            link_title="External",
            sort_order=10,
        )
        item = site_with_nav.navigation_items.get(link_title="External")
        assert item.is_live is True
        assert item.url == "https://example.com"
        assert item.title == "External"

    def test_title_falls_back_to_page_title(self, site_with_nav):
        item = site_with_nav.navigation_items.get(sort_order=0)
        item.link_title = ""
        item.save()
        assert item.title == item.link_page.title

    def test_header_footer_filtering(self, site_with_nav):
        header_items = site_with_nav.navigation_items.filter(show_in_header=True)
        footer_items = site_with_nav.navigation_items.filter(show_in_footer=True)
        assert header_items.count() == 3
        assert footer_items.count() == 2  # About excluded from footer

    def test_sort_order_respected(self, site_with_nav):
        items = list(site_with_nav.navigation_items.all().order_by("sort_order"))
        assert [i.link_title for i in items] == ["Home", "Articles", "About"]


@pytest.mark.django_db
class TestSocialMediaLink:
    def test_display_label_from_field(self, site_with_nav):
        link = site_with_nav.social_links.get(platform="twitter")
        assert link.display_label == "Twitter (X)"

    def test_display_label_fallback(self, site_with_nav):
        link = site_with_nav.social_links.get(platform="twitter")
        link.label = ""
        assert link.display_label == "Twitter / X"

    def test_icon_template_path(self, site_with_nav):
        link = site_with_nav.social_links.get(platform="rss")
        assert link.icon_template == "components/icons/rss.html"

    def test_ordering(self, site_with_nav):
        links = list(site_with_nav.social_links.all().order_by("sort_order"))
        assert [link.platform for link in links] == ["twitter", "rss"]


@pytest.mark.django_db
class TestSiteSettingsDefaults:
    def test_default_site_name(self, home_page):
        site = Site.objects.get(is_default_site=True)
        settings, _ = SiteSettings.objects.get_or_create(site=site)
        assert settings.site_name == "NO HYPE AI"

    def test_default_copyright(self, home_page):
        site = Site.objects.get(is_default_site=True)
        settings, _ = SiteSettings.objects.get_or_create(site=site)
        assert settings.copyright_text == "No Hype AI. All rights reserved."

    def test_default_tagline(self, home_page):
        site = Site.objects.get(is_default_site=True)
        settings, _ = SiteSettings.objects.get_or_create(site=site)
        assert settings.tagline == "Honest AI tool reviews for developers."


@pytest.mark.django_db
class TestNavRendering:
    def test_header_shows_nav_items(self, client, site_with_nav):
        resp = client.get("/")
        content = resp.content.decode()
        assert "Home" in content
        assert "Articles" in content
        assert "About" in content

    def test_unpublished_page_not_in_header(self, client, site_with_nav):
        about_item = site_with_nav.navigation_items.get(link_title="About")
        about_item.link_page.unpublish()
        resp = client.get("/")
        content = resp.content.decode()
        # About should not appear as a nav link (but might appear elsewhere on page)
        assert 'href="/about/"' not in content

    def test_footer_shows_nav_items(self, client, site_with_nav):
        resp = client.get("/")
        content = resp.content.decode()
        # Footer should have social links
        assert "Twitter (X)" in content
        assert "RSS Feed" in content

    def test_footer_shows_branding(self, client, site_with_nav):
        site_with_nav.site_name = "TEST SITE"
        site_with_nav.save()
        resp = client.get("/")
        content = resp.content.decode()
        assert "TEST SITE" in content

    def test_footer_shows_copyright(self, client, site_with_nav):
        resp = client.get("/")
        content = resp.content.decode()
        assert "No Hype AI. All rights reserved." in content