from typing import List
from backend.business.email_sender_manager import EmailSenderManager


class EmailSenderHub:
    def __init__(self):
        self.email_sender_manager = EmailSenderManager()

    async def get_email_sender(self, tenant_id: str):
        """get email senders for tenant"""
        if not tenant_id:
            raise ValueError("tenant_id is required")

        return await self.email_sender_manager.get_email_sender(tenant_id)

    async def set_email_sender(self, tenant_id: str, email_sender: str):
        """set email sender for tenant"""
        if not tenant_id:
            raise ValueError("tenant_id is required")
        
        if not email_sender:
            raise ValueError("email_sender must be provided")

        return await self.email_sender_manager.set_email_sender(tenant_id, email_sender)

    async def update_email_sender(self, tenant_id: str, email_sender: str):
        """update email sender for tenant"""
        if not tenant_id:
            raise ValueError("tenant_id is required")
        
        if not email_sender:
            raise ValueError("email_sender must be provided")

        return await self.email_sender_manager.update_email_sender(tenant_id, email_sender)

    async def delete_email_sender(self, tenant_id: str):
        """delete email sender for tenant"""
        if not tenant_id:
            raise ValueError("tenant_id is required")

        return await self.email_sender_manager.delete_email_sender(tenant_id)