from anydi import singleton
from fansifter_common.auth.types import Permission

from email_campaigns.campaigns.enums import EmailCampaignStatus
from email_campaigns.campaigns.exceptions import EmailCampaignAlreadySentError
from email_campaigns.campaigns.models import EmailCampaign
from email_campaigns.emails.handlers.update_email_fonts import UpdateEmailFontsHandler


@singleton
class UpdateCampaignFontsHandler(UpdateEmailFontsHandler[EmailCampaign]):
    permission = Permission("email_campaign", "edit")

    def _check_can_update_fonts(self, email: EmailCampaign) -> None:
        if email.status == EmailCampaignStatus.SENT:
            raise EmailCampaignAlreadySentError