"""An interface to ows-territories microservice."""

from oto import response
from owsrequest import request
from yt_conflict_elasticsearch.flows.elasticsearch_export import config


ISO_3166_1_2016 = 'ISO_3166_1_2016'
OWS_TERRITORIES_ERROR = 'OWS_TERRITORIES_ERROR'


def get_territories(standard=ISO_3166_1_2016):
    """Get a list of territories for the provided standard.

    Args:
        standard (str): territory standard - ISO_3166_1_2016 or Orch_1_2016.

    Returns:
        oto.Response: a response containing a list of territories or an error
    """
    territories_response = request.process(
        application=config.SWF_FLOW_NAME,
        environment=config.ENVIRONMENT,
        method='GET',
        service_name='ows-territories',
        path='/territory/{}'.format(standard))

    if territories_response.status_code == 200:
        return response.Response(territories_response.json())

    try:
        response_errors = territories_response.json()
    except (TypeError, ValueError):
        response_errors = territories_response.content.decode('utf-8')

    return response.create_error_response(
        code=OWS_TERRITORIES_ERROR,
        message=response_errors,
        status=territories_response.status_code)