"""Showcase API: scalable random sample of images."""

from quart import Blueprint, jsonify, request

from ..extensions import get_session
from ..services.showcase_service import ShowcaseService

showcase_bp = Blueprint("showcase", __name__, url_prefix="/api/showcase")


@showcase_bp.route("", methods=["GET"])
async def random_showcase():
    try:
        limit = int(request.args.get("limit", "60"))
    except ValueError:
        return jsonify({"error": "limit must be an integer"}), 400
    async with get_session() as session:
        svc = ShowcaseService(session)
        try:
            images = await svc.random_sample(limit=limit)
        except ValueError as exc:
            return jsonify({"error": str(exc)}), 400
    return jsonify({"images": images})
