"""Blog app action endpoints.

Exposes write operations at ``/internal/actions/<action_name>`` for
cross-app callers via the internal action client.
"""
from __future__ import annotations

from quart import Blueprint, g, jsonify, request

from shared.infrastructure.actions import ACTION_HEADER


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

    @bp.before_request
    async def _require_action_header():
        if not request.headers.get(ACTION_HEADER):
            return jsonify({"error": "forbidden"}), 403
        from shared.infrastructure.internal_auth import validate_internal_request
        if not validate_internal_request():
            return jsonify({"error": "forbidden"}), 403

    _handlers: dict[str, object] = {}

    @bp.post("/<action_name>")
    async def handle_action(action_name: str):
        handler = _handlers.get(action_name)
        if handler is None:
            return jsonify({"error": "unknown action"}), 404
        result = await handler()
        return jsonify(result or {"ok": True})

    # --- update-page-config (proxy to cart, where page_configs table lives) ---
    async def _update_page_config():
        """Create or update a PageConfig — proxies to cart service."""
        from shared.infrastructure.actions import call_action

        data = await request.get_json(force=True)
        return await call_action("cart", "update-page-config", payload=data)

    _handlers["update-page-config"] = _update_page_config

    return bp