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


class OrcidOAuth2Adapter(OAuth2Adapter):
    provider_id = "orcid"
    # http://support.orcid.org/knowledgebase/articles/335483-the-public-
    # client-orcid-api

    member_api_default = False
    base_domain_default = "orcid.org"

    settings = app_settings.PROVIDERS.get(provider_id, {})

    base_domain = settings.get("BASE_DOMAIN", base_domain_default)
    member_api = settings.get("MEMBER_API", member_api_default)

    api_domain = "{0}.{1}".format("api" if member_api else "pub", base_domain)

    authorize_url = "https://{0}/oauth/authorize".format(base_domain)
    access_token_url = "https://{0}/oauth/token".format(api_domain)
    profile_url = "https://{0}/v3.0/%s/record".format(api_domain)

    def complete_login(self, request, app, token, **kwargs):
        params = {}
        if self.member_api:
            params["access_token"] = token.token

        resp = (
            get_adapter()
            .get_requests_session()
            .get(
                self.profile_url % kwargs["response"]["orcid"],
                params=params,
                headers={"accept": "application/orcid+json"},
            )
        )
        extra_data = resp.json()
        return self.get_provider().sociallogin_from_response(request, extra_data)


oauth2_login = OAuth2LoginView.adapter_view(OrcidOAuth2Adapter)
oauth2_callback = OAuth2CallbackView.adapter_view(OrcidOAuth2Adapter)
