"""Klient HTTP do warstwy bazodanowej.

Jedyny punkt styku w dół. Gdyby warstwa bazodanowa zmieniła implementację
(Excel→SQL), tutaj nie zmienia się NIC — kontrakt /search jest stały.
"""
from __future__ import annotations

from typing import Any

import httpx

from app.config import settings


class DataClient:
    def __init__(self, base_url: str | None = None) -> None:
        self.base_url = (base_url or settings.data_url).rstrip("/")

    def search(
        self,
        key: str,
        value: str,
        exact: bool,
        limit: int,
        fields: list[str] | None = None,
    ) -> dict[str, Any]:
        payload = {"key": key, "value": value, "exact": exact, "limit": limit, "fields": fields}
        with httpx.Client(timeout=max(settings.http_timeout, 30.0)) as client:
            r = client.post(f"{self.base_url}/search", json=payload)
            r.raise_for_status()
            return r.json()

    def health(self) -> dict[str, Any]:
        with httpx.Client(timeout=settings.http_timeout) as client:
            r = client.get(f"{self.base_url}/health")
            r.raise_for_status()
            return r.json()