"""pytest fixtures for NSCT tests."""

from __future__ import annotations

import os
from typing import AsyncGenerator

import pytest
import pytest_asyncio
from fastapi.testclient import TestClient
from httpx import AsyncClient

from nsct.api.main import create_app
from nsct.config import AppSettings


@pytest.fixture(scope="session")
def app() -> AppSettings:
    """Minimal AppSettings for test environment."""
    return AppSettings.from_env()


@pytest.fixture(scope="session")
def client(app: AppSettings):
    """Synchronous test client for the FastAPI app."""
    fastapi_app = create_app()
    with TestClient(fastapi_app) as c:
        yield c


@pytest_asyncio.fixture(scope="function")
async def async_client(app: AppSettings) -> AsyncGenerator[AsyncClient, None]:
    """Async test client for the FastAPI app."""
    fastapi_app = create_app()
    async with AsyncClient(app=fastapi_app, base_url="http://test") as ac:
        yield ac


@pytest.fixture(scope="function")
def clean_env(monkeypatch: pytest.MonkeyPatch) -> None:
    """Ensure environment has the minimum required vars for AppSettings."""
    monkeypatch.setenv("NSCT_LLM_BASE_URL", "http://localhost:8030/openai/v1")
    monkeypatch.setenv("NSCT_LLM_MODEL", "test-model")
    monkeypatch.setenv("NSCT_LLM_MAX_CONCURRENCY", "1")
    monkeypatch.setenv("NSCT_VISION_BASE_URL", "http://localhost:8030/openai/visual/v1")
    monkeypatch.setenv("NSCT_VISION_MODEL", "test-model")
    monkeypatch.setenv("NSCT_AUDIO_BASE_URL", "http://localhost:8030/hermes-audio")
    monkeypatch.setenv("NSCT_AUDIO_MODEL", "default")
    monkeypatch.setenv("NSCT_DB_URL", "sqlite+aiosqlite:///:memory:")
    monkeypatch.setenv("NSCT_DEBUG", "false")