"""Interface to the ows-project-manager microservice.

The model is responsible to make a call to a ows-project-manager microservice.
It makes a request to ows-project-manager endpoint ('/project/<int:project_id>'
,methods=['GET']) and returns a result of the request.
"""

from oto import response
from owsrequest import request as requests

from ows_product_physical.constant import service_name
from ows_product_physical.constant import success
from ows_product_physical.utils.response_handler_util import safe_decode_json


ERROR_FETCH_PROJECT_BY_ID = dict(
    code='fetch_project_id_error',
    message='Impossible to fetch the project by its id.')


def get_project_by_id(project_id):
    """Get project by its id.

    Fetch project information by performing a GET call to ows-project-manager
    (see: GET /project/<int:project_id> endpoint).

    Args:
        project_id (int): uid of a project.

    Returns:
        response.Response: the result of getting project by id.
    """
    project_response = requests.get(
        service_name.OWS_PROJECT,
        '/project/{ID}'.format(ID=project_id))
    message = safe_decode_json(project_response, service_name.OWS_PROJECT)

    if project_response.status_code == 200:
        return response.Response(message=message)

    return response.Response(
        errors=message, status=project_response.status_code)


def check_project_ownership(project_id, account_type=None, account_id=None):
    """Check project ownership by its id.

    Fetch project information by performing a HEAD call to ows-project-manager

    Args:
        project_id (int): uid of a project.
        account_type (str): Grass account type.
        account_id (str): Grass account id.

    Returns:
        response.Response: the result of the HEAD call with a project id.
    """
    if not account_type and not account_id:
        return response.Response(status=success.SUCCESS_CODE)

    request_url = (
        '/ownership/'
        '{ACCOUNT_TYPE}/'
        '{ACCOUNT_ID}/'
        'project/'
        '{PROJECT_ID}'
    ).format(
        ACCOUNT_TYPE=account_type, ACCOUNT_ID=account_id,
        PROJECT_ID=project_id)

    ownership_response = requests.head(service_name.OWS_PROJECT, request_url)

    return response.Response(status=ownership_response.status_code)