from __future__ import unicode_literals

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


class WindowsLiveAccount(ProviderAccount):

    def to_str(self):
        name = '{0} {1}'.format(self.account.extra_data.get('first_name', ''),
                                self.account.extra_data.get('last_name', ''))
        if name.strip() != '':
            return name
        return super(WindowsLiveAccount, self).to_str()


class WindowsLiveProvider(OAuth2Provider):
    id = str('windowslive')
    name = 'Live'
    account_class = WindowsLiveAccount

    def get_default_scope(self):
        """
        Doc on scopes available at
        http://msdn.microsoft.com/en-us/library/dn631845.aspx
        """
        return ['wl.basic', 'wl.emails']

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

    def extract_common_fields(self, data):
        try:
            email = data.get('emails').get('preferred')
        except AttributeError:
            email = None

        return dict(email=email,
                    last_name=data.get('last_name'),
                    first_name=data.get('first_name'))


provider_classes = [WindowsLiveProvider]