from allauth.account.models import EmailAddress
from allauth.socialaccount.app_settings import QUERY_EMAIL
from allauth.socialaccount.providers.base import ProviderAccount
from allauth.socialaccount.providers.oauth2.provider import OAuth2Provider


class DisqusAccount(ProviderAccount):
    def get_profile_url(self):
        return self.account.extra_data.get('profileUrl')

    def get_avatar_url(self):
        return self.account.extra_data.get('avatar', {}).get('permalink')

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


class DisqusProvider(OAuth2Provider):
    id = 'disqus'
    name = 'Disqus'
    account_class = DisqusAccount

    def get_default_scope(self):
        scope = ['read']
        if QUERY_EMAIL:
            scope += ['email']
        return scope

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

    def extract_common_fields(self, data):
        return {
            'username': data.get('username'),
            'email': data.get('email'),
            'name': data.get('name'),
        }

    def extract_email_addresses(self, data):
        ret = []
        email = data.get('email')
        if email:
            ret.append(EmailAddress(email=email, verified=True, primary=True))
        return ret


provider_classes = [DisqusProvider]