"""
RunKeeper OAuth2 backend, docs at:
    https://python-social-auth.readthedocs.io/en/latest/backends/runkeeper.html
"""

from .oauth import BaseOAuth2


class RunKeeperOAuth2(BaseOAuth2):
    """RunKeeper OAuth authentication backend"""

    name = "runkeeper"
    AUTHORIZATION_URL = "https://runkeeper.com/apps/authorize"
    ACCESS_TOKEN_URL = "https://runkeeper.com/apps/token"
    EXTRA_DATA = [
        ("userID", "id"),
    ]

    def get_user_id(self, details, response):
        return response["userID"]

    def get_user_details(self, response):
        """Parse username from profile link"""
        username = None
        profile_url = response.get("profile")
        if len(profile_url):
            profile_url_parts = profile_url.split("http://runkeeper.com/user/")
            if len(profile_url_parts) > 1 and len(profile_url_parts[1]):
                username = profile_url_parts[1]
        fullname, first_name, last_name = self.get_user_names(
            fullname=response.get("name")
        )
        return {
            "username": username,
            "email": response.get("email") or "",
            "fullname": fullname,
            "first_name": first_name,
            "last_name": last_name,
        }

    def user_data(self, access_token, *args, **kwargs):
        # We need to use the /user endpoint to get the user id, the /profile
        # endpoint contains name, user name, location, gender
        user_data = self._user_data(access_token, "/user")
        profile_data = self._user_data(access_token, "/profile")
        return dict(user_data, **profile_data)

    def _user_data(self, access_token, path):
        url = f"https://api.runkeeper.com{path}"
        return self.get_json(url, params={"access_token": access_token})
