"""Delivery channels: local file archive (always) + Telegram / Blogger (when configured)."""

from __future__ import annotations

import logging

from us2kr.config import Settings
from us2kr.deliver.base import Deliverer, DeliveryError
from us2kr.deliver.blogger import BloggerDeliverer
from us2kr.deliver.file import FileDeliverer
from us2kr.deliver.telegram import TelegramDeliverer

log = logging.getLogger(__name__)

__all__ = [
    "BloggerDeliverer",
    "Deliverer",
    "DeliveryError",
    "FileDeliverer",
    "TelegramDeliverer",
    "build_deliverers",
]


def build_deliverers(settings: Settings) -> list[Deliverer]:
    """FileDeliverer always; Telegram / Blogger when fully configured."""
    deliverers: list[Deliverer] = [FileDeliverer(settings.reports_dir)]
    if settings.telegram_enabled:
        assert settings.telegram_bot_token and settings.telegram_chat_id  # guaranteed by telegram_enabled
        deliverers.append(TelegramDeliverer(settings.telegram_bot_token, settings.telegram_chat_id))
    if settings.blogger_enabled:
        deliverers.append(
            BloggerDeliverer(
                settings.blogger_client_id or "",
                settings.blogger_client_secret or "",
                settings.blogger_refresh_token or "",
                settings.blogger_blog_id or "",
                labels=settings.blogger_labels,
            )
        )
    log.info("deliverers: %s", ", ".join(d.name for d in deliverers))
    return deliverers