"""Customise Provider classes for MailChimp API v3."""

from allauth.socialaccount.providers.base import ProviderAccount
from allauth.socialaccount.providers.mailchimp.views import MailChimpOAuth2Adapter
from allauth.socialaccount.providers.oauth2.provider import OAuth2Provider


class MailChimpAccount(ProviderAccount):
    """ProviderAccount subclass for MailChimp."""

    def get_profile_url(self):
        """Return base profile url."""
        return self.account.extra_data["api_endpoint"]

    def get_avatar_url(self):
        """Return avatar url."""
        return self.account.extra_data["login"]["avatar"]

    def to_str(self):
        dflt = super().to_str()
        login_data = self.account.extra_data.get("login", {})
        return login_data.get("login_email") or login_data.get("email") or dflt


class MailChimpProvider(OAuth2Provider):
    """OAuth2Provider subclass for MailChimp v3."""

    id = "mailchimp"
    name = "MailChimp"
    account_class = MailChimpAccount
    oauth2_adapter_class = MailChimpOAuth2Adapter

    def extract_uid(self, data):
        """Extract uid ('user_id') and ensure it's a str."""
        return str(data["user_id"])

    def get_default_scope(self):
        """Ensure scope is null to fit their API."""
        return [""]

    def extract_common_fields(self, data):
        """Extract fields from a metadata query."""
        return dict(
            dc=data.get("dc"),
            role=data.get("role"),
            account_name=data.get("accountname"),
            user_id=data.get("user_id"),
            login=data.get("login"),
            login_url=data.get("login_url"),
            api_endpoint=data.get("api_endpoint"),
        )


provider_classes = [MailChimpProvider]