from __future__ import annotations

from pydantic import ValidationError
from quart import Blueprint, jsonify

from app.ab_test import GetCoverService
from app.api.v1.utils import ApiDependencies
from app.api.v1.utils import GetCoverRequest
from app.api.v1.utils import parse_json, validation_error_response


def create_abtest_bp(deps: ApiDependencies) -> Blueprint:
    bp = Blueprint("abtest", __name__)

    @bp.route("/get_cover", methods=["POST"])
    async def get_cover():
        try:
            _, body = await parse_json(GetCoverRequest)
        except ValidationError as e:
            payload, status = validation_error_response(e)
            return jsonify(payload), status

        service = GetCoverService(deps.db, body)
        result = await service.deal()
        return jsonify(result)

    return bp