from abc import ABC, abstractmethod
from dataclasses import dataclass

from infrasynth.shared.results import Result


@dataclass
class Attachment:
    filename: str
    content: bytes
    mime_type: str
    cid: str | None = None
    inline: bool = False


class BaseChannel(ABC):
    @abstractmethod
    def send(
        self,
        recipient: str,
        subject: str,
        body: str,
        is_html: bool = True,
        attachments: list[Attachment] | None = None,
    ) -> Result[bool, str]: ...

    @abstractmethod
    def health_check(self) -> bool: ...

    @classmethod
    @abstractmethod
    def from_config(cls, config: dict) -> "BaseChannel": ...