from django.http import HttpResponse
from ninja import Router
from ninja.errors import HttpError

from apps.content.current import AboutContent, HomeContent, ListingContent, SiteContent
from apps.content.api.schemas import AboutPageOut, HomePageOut, ListingPageOut, PageContentOut, SiteContentOut


content_router = Router(tags=["Public content"])


def _media(request, field, alt):
    if not field or not field.name:
        return None
    return {"url": request.build_absolute_uri(field.url), "alt": alt or ""}


def _seo(request, obj):
    return {
        "title": obj.seo_title,
        "description": obj.seo_description,
        "image": _media(request, obj.seo_image, obj.seo_image_alt),
    }


@content_router.get("/site", response=SiteContentOut)
def get_site_content(request, response: HttpResponse):
    site = SiteContent.objects.filter(pk=1).first()
    if site is None:
        raise HttpError(404, "Site content not found")
    response["Cache-Control"] = "no-store"
    return {
        "official_name": site.official_name,
        "short_name": site.short_name,
        "faculty_subline": site.faculty_subline,
        "description": site.description,
        "logo": _media(request, site.logo, site.logo_alt),
        "navigation": {
            "home": site.nav_home,
            "about": site.nav_about,
            "events": site.nav_events,
            "blog": site.nav_blog,
        },
        "contacts": {
            "email": site.email,
            "phone": site.phone,
            "telegram": site.telegram_url,
            "instagram": site.instagram_url,
            "website": site.website_url,
        },
        "address": site.address,
        "footer_copy": site.footer_copy,
        "seo": _seo(request, site),
    }


@content_router.get("/pages/{slug}", response=PageContentOut)
def get_page_content(request, response: HttpResponse, slug: str):
    response["Cache-Control"] = "no-store"
    if slug == "home":
        page = HomeContent.objects.filter(pk=1).first()
        if page is None:
            raise HttpError(404, "Page content not found")
        return {
            "slug": "home", "title": page.title, "intro": page.intro, "seo": _seo(request, page),
            "hero_heading": page.hero_heading, "hero_body": page.hero_body,
            "hero_image": _media(request, page.hero_image, page.hero_image_alt),
            "hero_action_label": page.hero_action_label,
            "featured_events_heading": page.featured_events_heading,
            "featured_events_intro": page.featured_events_intro,
            "featured_events_link_label": page.featured_events_link_label,
            "featured_posts_heading": page.featured_posts_heading,
            "featured_posts_intro": page.featured_posts_intro,
            "featured_posts_link_label": page.featured_posts_link_label,
            "participation_heading": page.participation_heading,
            "participation_body": page.participation_body,
            "participation_image": _media(request, page.participation_image, page.participation_image_alt),
            "participation_action_label": page.participation_action_label,
        }

    if slug == "about":
        page = AboutContent.objects.filter(pk=1).first()
        if page is None:
            raise HttpError(404, "Page content not found")
        return {
            "slug": "about", "title": page.title, "intro": page.intro, "seo": _seo(request, page),
            "identity_heading": page.identity_heading, "identity_body": page.identity_body,
            "mission_heading": page.mission_heading, "mission_body": page.mission_body,
            "activities_heading": page.activities_heading, "activities_body": page.activities_body,
            "values_heading": page.values_heading, "values_body": page.values_body,
            "committees_heading": page.committees_heading, "committees_body": page.committees_body,
            "affiliations_heading": page.affiliations_heading, "affiliations_body": page.affiliations_body,
            "faq_heading": page.faq_heading, "contact_heading": page.contact_heading,
            "items": list(page.items.values("kind", "title", "text", "position")),
        }

    if slug in ("events", "blog"):
        page = ListingContent.objects.filter(slug=slug).first()
        if page is None:
            raise HttpError(404, "Page content not found")
        return {"slug": page.slug, "title": page.title, "intro": page.intro, "seo": _seo(request, page)}

    raise HttpError(404, "Page content not found")