# retoor <retoor@molodetz.nl>
from fastapi import APIRouter, Request
from fastapi.responses import RedirectResponse

from molodetz.constants import TOPICS
from molodetz.database import get_post_by_slug, get_post_by_slug_tail, get_user
from molodetz.rendering import content_preview, plain_title
from molodetz.responses import respond
from molodetz.schemas.posts import PostDetailOut
from molodetz.seo import article_schema, base_seo_context
from molodetz.utils.auth import get_current_user, is_admin, not_found

router = APIRouter()


@router.get("/{slug}")
async def post_detail(request: Request, slug: str):
    post = get_post_by_slug(slug) or get_post_by_slug_tail(slug)
    viewer = get_current_user(request)
    if post is None or (post["status"] != "published" and not is_admin(viewer)):
        not_found("Post not found")
    if slug != post["slug"]:
        return RedirectResponse(f"/posts/{post['slug']}", status_code=301)
    author = get_user(post["user_uid"])
    topic_title = TOPICS.get(post["topic"], post["topic"])
    seo = base_seo_context(
        request,
        plain_title(post["title"]),
        content_preview(post["body"], 160),
        robots="index,follow" if post["status"] == "published" else "noindex,nofollow",
        og_type="article",
        breadcrumbs=[("Molodetz", "/"), (topic_title, f"/{post['topic']}"), (post["title"], f"/posts/{post['slug']}")],
        schemas=[article_schema(request, post, author)],
    )
    ctx = {"post": post, "author": author, "topic_title": topic_title, "seo": seo}
    return respond(request, "post.html", ctx, model=PostDetailOut)