from dataclasses import dataclass
from typing import Literal, TypedDict

from pydantic import AwareDatetime, BaseModel

MessageChannel = Literal["SMS", "WHATSAPP"]


class SendBatchRequest(BaseModel):
    batch_id: int
    campaign_id: str
    messages_to_send: int
    safe_until: AwareDatetime | None = None


class PersonalizedAttributes(TypedDict):
    fan_id: str
    phone_number: str
    channel: MessageChannel


class RenderedMessage(BaseModel):
    fan_id: str
    channel: MessageChannel
    recipient: str
    sender: str
    message: str
    media_url: str | list[str] | None = None


@dataclass(frozen=True, slots=True)
class TwilioSendCredentials:
    account_sid: str
    messaging_service_sid: str
    api_key_id: str
    api_secret: str


@dataclass(frozen=True, slots=True)
class FanSendOutcome:
    fan_id: str
    sent: bool
    message_id: str | None = None
    error_message: str | None = None