"""Interface to the ows-account microservice."""
from owsrequest import request

from ows_accounting import response
from ows_accounting.constants import error
from ows_accounting.constants import payment_holds


VENDOR_CHECK_RESOURCE = '/vendor/{vendor_id}'
ACCOUNT_SERVICE = 'ows-account'


def check_vendor_exists(vendor_id):
    """Check if vendor exists with this vendor_id.

    Args:
        vendor_id (int): vendor identifier.

    Returns:
        response.Response: success or error response.
    """
    resource = VENDOR_CHECK_RESOURCE.format(vendor_id=vendor_id)
    account_response = request.head(ACCOUNT_SERVICE, resource)
    if account_response.status_code == 200:
        return response.Response(message=payment_holds.VENDOR_FOUND_MESSAGE)

    if account_response.status_code == 404:
        return response.create_not_found_response(
            message=payment_holds.VENDOR_NOT_FOUND_MESSAGE)

    error_response = response.create_fatal_response(account_response.text)
    response.send_to_sentry(
        error_response, error.ERROR_CODE_INVALID_RESPONSE_CODE)
    return error_response