from datetime import datetime
import httpx


class BackendClient:
    def __init__(self, base_url: str):
        self._base_url = base_url.rstrip("/")

    async def create_item(
        self,
        *,
        modality: str,
        raw_content: str,
        captured_at: datetime,
        discord_message_id: str | None,
        sender_id: str | None = None,
        direction: str = "inbound",
    ) -> dict:
        payload = {
            "modality": modality,
            "raw_content": raw_content,
            "captured_at": captured_at.isoformat(),
            "discord_message_id": discord_message_id,
            "sender_id": sender_id,
            "direction": direction,
        }
        async with httpx.AsyncClient() as client:
            resp = await client.post(f"{self._base_url}/items", json=payload, timeout=10)
            resp.raise_for_status()
            return resp.json()