"""Pytest fixtures: isolated temp DB/Chroma paths and a patched FastAPI test client."""

import sys
from pathlib import Path

import pytest
from fastapi.testclient import TestClient

PROJECT_ROOT = Path(__file__).resolve().parents[1]
if str(PROJECT_ROOT) not in sys.path:
    sys.path.insert(0, str(PROJECT_ROOT))

from api.config import Settings
from api.main import app


@pytest.fixture
def test_settings(tmp_path) -> Settings:
    return Settings(
        llm_provider="ollama",
        chroma_persist_directory=str(tmp_path / "chroma"),
        audit_db_path=str(tmp_path / "audit.db"),
        jobs_db_path=str(tmp_path / "jobs.db"),
        max_file_size_mb=1,
        top_k_results=3,
    )


@pytest.fixture
def settings(test_settings) -> Settings:
    """Alias for audit tests that name the fixture `settings`."""
    return test_settings


@pytest.fixture
def client(test_settings, monkeypatch):
    monkeypatch.setattr("api.main.get_settings", lambda: test_settings)
    for route_mod in ("ingest", "query", "audit", "jobs"):
        monkeypatch.setattr(f"api.routes.{route_mod}.get_settings", lambda ts=test_settings: ts)
    with TestClient(app) as test_client:
        yield test_client