"""
Flickr OAuth1 backend, docs at:
    https://python-social-auth.readthedocs.io/en/latest/backends/flickr.html
"""

from .oauth import BaseOAuth1


class FlickrOAuth(BaseOAuth1):
    """Flickr OAuth authentication backend"""

    name = "flickr"
    AUTHORIZATION_URL = "https://www.flickr.com/services/oauth/authorize"
    REQUEST_TOKEN_URL = "https://www.flickr.com/services/oauth/request_token"
    ACCESS_TOKEN_URL = "https://www.flickr.com/services/oauth/access_token"
    EXTRA_DATA = [("id", "id"), ("username", "username"), ("expires", "expires")]

    def get_user_details(self, response):
        """Return user details from Flickr account"""
        fullname, first_name, last_name = self.get_user_names(response.get("fullname"))
        return {
            "username": response.get("username") or response.get("id"),
            "email": "",
            "fullname": fullname,
            "first_name": first_name,
            "last_name": last_name,
        }

    def user_data(self, access_token, *args, **kwargs):
        """Loads user data from service"""
        return {
            "id": access_token["user_nsid"],
            "username": access_token["username"],
            "fullname": access_token.get("fullname", ""),
        }

    def auth_extra_arguments(self):
        params = super().auth_extra_arguments() or {}
        if "perms" not in params:
            params["perms"] = "read"
        return params
