import json

from allauth.socialaccount.providers.oauth.client import OAuth
from allauth.socialaccount.providers.oauth.views import (
    OAuthAdapter,
    OAuthCallbackView,
    OAuthLoginView,
)

from .provider import FiveHundredPxProvider


API_BASE = 'https://api.500px.com/v1'


class FiveHundredPxAPI(OAuth):
    """
    Verifying 500px credentials
    """
    url = API_BASE + '/users'

    def get_user_info(self):
        return json.loads(self.query(self.url))['user']


class FiveHundredPxOAuthAdapter(OAuthAdapter):
    provider_id = FiveHundredPxProvider.id
    request_token_url = API_BASE + '/oauth/request_token'
    access_token_url = API_BASE + '/oauth/access_token'
    authorize_url = API_BASE + '/oauth/authorize'

    def complete_login(self, request, app, token, response):
        client = FiveHundredPxAPI(request, app.client_id, app.secret,
                                  self.request_token_url)
        extra_data = client.get_user_info()
        return self.get_provider().sociallogin_from_response(request,
                                                             extra_data)


oauth_login = OAuthLoginView.adapter_view(FiveHundredPxOAuthAdapter)
oauth_callback = OAuthCallbackView.adapter_view(FiveHundredPxOAuthAdapter)