from allauth.socialaccount import app_settings
from allauth.socialaccount.adapter import get_adapter
from allauth.socialaccount.providers.oauth2.views import (
    OAuth2Adapter,
    OAuth2CallbackView,
    OAuth2LoginView,
)
from allauth.utils import get_request_param


class MailcowAdapter(OAuth2Adapter):
    provider_id = "mailcow"
    settings = app_settings.PROVIDERS.get(provider_id, {})
    server = settings.get("SERVER", "https://hosted.mailcow.de")
    access_token_url = "{0}/oauth/token".format(server)
    authorize_url = "{0}/oauth/authorize".format(server)
    profile_url = "{0}/oauth/profile".format(server)

    def complete_login(self, request, app, token, **kwargs):
        code = get_request_param(request, "code")
        extra_data = self.get_user_info(token.token, code)
        return self.get_provider().sociallogin_from_response(request, extra_data)

    def get_user_info(self, access_token, code):
        resp = (
            get_adapter()
            .get_requests_session()
            .get(self.profile_url, params={"access_token": access_token, "code": code})
        )
        resp.raise_for_status()
        return resp.json()


oauth2_login = OAuth2LoginView.adapter_view(MailcowAdapter)
oauth2_callback = OAuth2CallbackView.adapter_view(MailcowAdapter)