from urllib.parse import urljoin

import httpx
from django.conf import settings


def notify_admins(message: str) -> None:
    """Notify admins on their own Matrix channel."""
    return notify_matrix_channel(settings.MATRIX_SERVICE_REQUEST_ADMIN_ROOM, message)


def notify_matrix_channel(channel_url: str, message: str) -> None:
    """Send a message to a matrix channel."""
    result = httpx.post(
        urljoin(channel_url, "send/m.room.message"),
        json={
            "msgtype": "m.text",
            "body": message,
        },
        params={
            "access_token": settings.MATRIX_ACCESS_TOKEN,
        },
    )
    if settings.MATRIX_ACCESS_TOKEN and not settings.DEBUG:
        result.raise_for_status()