// POST /cms/admin/posts — create a post (author+).
import "auth" as auth;
import "util" as util;
let g = auth::guard(ctx, ["admin", "author"]);
if !g.ok { return g.response; }
let user = g.user;

let b = ctx.request.body;
if b == () || b.title == () {
    return #{ statusCode: 400, body: #{ error: "title required" } };
}

let posts = docs::collection("posts");
let idx = kv::collection("slugs");
let slug = if b.slug == () { util::slugify(b.title) } else { util::slugify(b.slug) };
if idx.has("post:" + slug) {
    slug = slug + "-" + random::string(4).to_lower();
}

let now = time::now();
let status = if b.status == () { "draft" } else { b.status };
let publish_at = ();
if status == "published" { publish_at = now; }
else if status == "scheduled" && b.publish_at != () { publish_at = b.publish_at; }

let data = #{
    title: b.title,
    slug: slug,
    body_md: if b.body_md == () { "" } else { b.body_md },
    excerpt: if b.excerpt == () { "" } else { b.excerpt },
    status: status,
    author_id: user.id,
    author_name: user.display_name,
    tags: if b.tags == () { [] } else { b.tags },
    publish_at: publish_at,
};
let id = posts.create(data);
idx.set("post:" + slug, id);
#{ statusCode: 201, body: #{ id: id, slug: slug, status: status } }