"""Blueprint for dataloader API."""

from flask import Blueprint, request
from owsrequest import flask_request
from owsresponse import response
from owsresponse.adaptors.flask import flaskify

from royalties.constants import error
from royalties.logic import statement_period as logic
from royalties.utils import authorization
from royalties.utils.format_error import validation_error
from royalties.utils.request import get_optional_numeric_list_from_params

dataloader_api = Blueprint('dataloader_api', __name__)


@dataloader_api.route('/dataloader/statement-periods/', methods=['POST'])
def get_statement_periods_by_ids():
    """Get statement periods by a list of statement_period_ids."""
    access_rule_decision = flask_request.verify_rules_access_standalone(request)
    if not access_rule_decision:
        authorized = authorization.pdp_authorize_resource(
            # This resource type is all-or-nothing, permissions-wise,
            # so id doesn't matter
            resource_id=0,
            resource_type='statement_period',
        )
        if not authorized:
            return flaskify(
                response.create_error_response(
                    code=error.ERROR_CODE_AUTHORIZATION,
                    message=error.ERROR_MESSAGE_FORBIDDEN_USER,
                    status=403,
                )
            )
    try:
        statement_period_ids = get_optional_numeric_list_from_params() or []
    except ValueError:
        return flaskify(validation_error(error.ERROR_INVALID_STATEMENT_PERIOD_IDS))

    return flaskify(logic.get_statement_periods_by_ids(statement_period_ids))