"""Pluggable postcard providers."""

from dataclasses import dataclass
from typing import Protocol

from django.conf import settings


@dataclass
class PostcardResult:
    provider_id: str


class PostcardProvider(Protocol):
    name: str

    def send_postcard(self, message) -> PostcardResult: ...

    def get_status(self, provider_id: str) -> str: ...


def get_postcard_provider() -> PostcardProvider:
    name = (settings.POSTCARD_PROVIDER or "pcm").lower()
    if name == "pcm":
        from directmail.providers.postcard.pcm import PcmProvider

        return PcmProvider()
    if name == "click2mail":
        from directmail.providers.postcard.click2mail import Click2MailProvider

        return Click2MailProvider()
    if name == "postgrid":
        from directmail.providers.postcard.postgrid import PostGridProvider

        return PostGridProvider()
    if name == "lob":
        from directmail.providers.postcard.lob import LobProvider

        return LobProvider()
    from directmail.providers.postcard.pcm import PcmProvider

    return PcmProvider()