"""
Internal JSON API for the coop app.

These endpoints are called by other apps (market, cart) over HTTP
to fetch Ghost CMS content without importing blog services.
"""
from __future__ import annotations

from quart import Blueprint, g, jsonify

from shared.browser.app.csrf import csrf_exempt


def register() -> Blueprint:
    bp = Blueprint("coop_api", __name__, url_prefix="/internal")

    @bp.get("/post/<slug>")
    @csrf_exempt
    async def post_by_slug(slug: str):
        """
        Return a Ghost post's key fields by slug.
        Called by market app for the landing page.
        """
        from bp.blog.ghost_db import DBClient

        client = DBClient(g.s)
        posts = await client.posts_by_slug(slug, include_drafts=False)

        if not posts:
            return jsonify(None), 404

        post, original_post = posts[0]

        return jsonify(
            {
                "post": {
                    "id": post.get("id"),
                    "title": post.get("title"),
                    "html": post.get("html"),
                    "custom_excerpt": post.get("custom_excerpt"),
                    "feature_image": post.get("feature_image"),
                    "slug": post.get("slug"),
                },
                "original_post": {
                    "id": getattr(original_post, "id", None),
                    "title": getattr(original_post, "title", None),
                },
            }
        )

    return bp