import os
import shutil
import tempfile
from pathlib import Path
import pytest
from fastapi.testclient import TestClient

from app.config import DATA_DIR
from app.engine import DuckDBEngine
from app.git_sync import GitSyncManager
from app.main import app


@pytest.fixture(scope="session")
def test_data_dir():
    temp_root = Path(tempfile.mkdtemp())
    temp_data = temp_root / "data"
    if DATA_DIR.is_dir():
        shutil.copytree(DATA_DIR, temp_data)
    else:
        temp_data.mkdir(parents=True, exist_ok=True)
    yield temp_data
    shutil.rmtree(temp_root, ignore_errors=True)


@pytest.fixture
def engine(test_data_dir):
    return DuckDBEngine(data_dir=test_data_dir)


@pytest.fixture
def client(engine):
    app.state.engine = engine
    app.state.git_sync = GitSyncManager(wiki_dir=engine.data_dir.parent)
    with TestClient(app) as c:
        yield c