from allauth.socialaccount.providers.base import ProviderAccount
from allauth.socialaccount.providers.oauth2.provider import OAuth2Provider


class OdnoklassnikiAccount(ProviderAccount):
    def get_profile_url(self):
        return self.account.extra_data.get('link')

    def get_avatar_url(self):
        ret = None
        pic_big_url = self.account.extra_data.get('pic1024x768')
        pic_medium_url = self.account.extra_data.get('pic640x480')
        pic_small_url = self.account.extra_data.get('pic190x190')
        if pic_big_url:
            return pic_big_url
        elif pic_medium_url:
            return pic_medium_url
        elif pic_small_url:
            return pic_small_url
        else:
            return ret

    def to_str(self):
        dflt = super(OdnoklassnikiAccount, self).to_str()
        return self.account.extra_data.get('name', dflt)


class OdnoklassnikiProvider(OAuth2Provider):
    id = 'odnoklassniki'
    name = 'Odnoklassniki'
    account_class = OdnoklassnikiAccount

    def extract_uid(self, data):
        return data['uid']

    def extract_common_fields(self, data):
        return dict(last_name=data.get('last_name'),
                    first_name=data.get('first_name'))


provider_classes = [OdnoklassnikiProvider]