"""Channel dispatch — email / SMS / postcard."""

from dataclasses import dataclass

from contacts.models import Channel
from messaging.models import Message
from messaging.providers.email.smtp2go import send_email
from messaging.providers.postcard import get_postcard_provider
from messaging.providers.sms.smtp2go import send_sms


@dataclass
class ProviderResult:
    provider: str
    provider_id: str


def dispatch_message(message: Message) -> ProviderResult:
    if message.channel == Channel.EMAIL:
        result = send_email(message)
        return ProviderResult(provider="smtp2go_email", provider_id=result)
    if message.channel == Channel.SMS:
        result = send_sms(message)
        return ProviderResult(provider="smtp2go_sms", provider_id=result)
    if message.channel == Channel.POSTCARD:
        provider = get_postcard_provider()
        result = provider.send_postcard(message)
        return ProviderResult(provider=provider.name, provider_id=result.provider_id)
    raise ValueError(f"Unsupported channel: {message.channel}")