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

from .oauth import BaseOAuth2


class FlatOAuth2(BaseOAuth2):
    """Flat OAuth2"""

    name = "flat"
    DEFAULT_SCOPE = ["account.public_profile"]
    AUTHORIZATION_URL = "https://flat.io/auth/oauth"
    ACCESS_TOKEN_URL = "https://api.flat.io/oauth/access_token"
    ACCESS_TOKEN_METHOD = "POST"

    def get_user_id(self, details, response):
        return response.get("id")

    def get_user_details(self, response):
        """Return user details from Flat account"""
        return {
            "email": response.get("email"),
            "username": response.get("username"),
            "fullname": response.get("printableName"),
        }

    def user_data(self, access_token, *args, **kwargs):
        """Loads user data from service"""
        return self.get_json(
            "https://api.flat.io/v2/me",
            headers={"Authorization": "Bearer " + access_token},
        )