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


class EmailSenderHub:
    def __init__(self):
        pass

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

        email_sender_manager = EmailSenderManager()
        return await email_sender_manager.get_email_senders(tenant_id)

    async def set_email_senders(self, tenant_id: str, email_senders: List[str]):
        """set email senders for tenant"""
        if not tenant_id:
            raise ValueError("tenant_id is required")
        
        if not email_senders or not isinstance(email_senders, list):
            raise ValueError("email_senders must be a non-empty list")

        email_sender_manager = EmailSenderManager()
        return await email_sender_manager.set_email_senders(tenant_id, email_senders)

    async def add_email_senders(self, tenant_id: str, new_senders: List[str]):
        """add email senders to tenant"""
        if not tenant_id:
            raise ValueError("tenant_id is required")
        
        if not new_senders or not isinstance(new_senders, list):
            raise ValueError("new_senders must be a non-empty list")

        email_sender_manager = EmailSenderManager()
        return await email_sender_manager.add_email_senders(tenant_id, new_senders)

    async def remove_email_senders(self, tenant_id: str, emails_to_remove: List[str]):
        """remove email senders from tenant"""
        if not tenant_id:
            raise ValueError("tenant_id is required")
        
        if not emails_to_remove or not isinstance(emails_to_remove, list):
            raise ValueError("emails_to_remove must be a non-empty list")

        email_sender_manager = EmailSenderManager()
        return await email_sender_manager.remove_email_senders(tenant_id, emails_to_remove)

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

        email_sender_manager = EmailSenderManager()
        return await email_sender_manager.clear_email_senders(tenant_id)

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

        email_sender_manager = EmailSenderManager()
        return await email_sender_manager.delete_email_sender(tenant_id)