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


class DiscordAccount(ProviderAccount):
    def to_str(self):
        dflt = super(DiscordAccount, self).to_str()
        username = self.account.extra_data.get("username")
        discriminator = self.account.extra_data.get("discriminator")
        if username and discriminator:
            return "{}#{}".format(username, discriminator)
        elif username:
            return username
        else:
            return dflt

    def get_avatar_url(self):
        if (
            "id" in self.account.extra_data.keys()
            and "avatar" in self.account.extra_data.keys()
        ):
            return "https://cdn.discordapp.com/avatars/{id}/{avatar}.png".format(
                **self.account.extra_data
            )


class DiscordProvider(OAuth2Provider):
    id = "discord"
    name = "Discord"
    account_class = DiscordAccount

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

    def extract_common_fields(self, data):
        return dict(
            email=data.get("email"),
            username=data.get("username"),
            name=data.get("username"),
        )

    def get_default_scope(self):
        return ["email", "identify"]

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


provider_classes = [DiscordProvider]