from __future__ import annotations

import logging

from fastapi import FastAPI

from yuxi.channel.domain.port.channel_adapter_port import ChannelAdapterPort
from yuxi.channel.domain.port.channel_route_contributor_port import ChannelRouteContributorPort

logger = logging.getLogger(__name__)


def register_all_channel_routes(
    app: FastAPI,
    adapters: dict[str, ChannelAdapterPort],
) -> list[str]:
    registered: list[str] = []

    for name, adapter in adapters.items():
        contributor = _get_route_contributor(adapter)
        if contributor is None:
            continue

        router = contributor.router
        prefix = f"/channel/{name}"
        app.include_router(router, prefix=prefix)
        registered.append(prefix)
        logger.info("registered channel routes: %s", prefix)

    return registered


def _get_route_contributor(adapter: ChannelAdapterPort) -> ChannelRouteContributorPort | None:
    contributor = getattr(adapter, "route_contributor", None)
    if contributor is None:
        return None
    if isinstance(contributor, ChannelRouteContributorPort):
        return contributor
    if hasattr(contributor, "router"):
        return contributor
    return None