"""
Internal JSON API for the coop app.

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

from quart import Blueprint, g, jsonify
from sqlalchemy import select
from sqlalchemy.orm import selectinload

from models.menu_item import MenuItem
from suma_browser.app.csrf import csrf_exempt


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

    @bp.get("/menu-items")
    @csrf_exempt
    async def menu_items():
        """
        Return all active menu items as lightweight JSON.
        Called by market and cart apps to render the nav.
        """
        result = await g.s.execute(
            select(MenuItem)
            .where(MenuItem.deleted_at.is_(None))
            .options(selectinload(MenuItem.post))
            .order_by(MenuItem.sort_order.asc(), MenuItem.id.asc())
        )
        items = result.scalars().all()

        return jsonify(
            [
                {
                    "id": mi.id,
                    "post": {
                        "title": mi.post.title if mi.post else None,
                        "slug": mi.post.slug if mi.post else None,
                        "feature_image": mi.post.feature_image if mi.post else None,
                    },
                }
                for mi in items
            ]
        )

    @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 suma_browser.app.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