import os
import pytest
import asyncio
import aiosqlite
import sys

# Ensure backend folder is in path for imports
backend_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
if backend_dir not in sys.path:
    sys.path.insert(0, backend_dir)

import db

@pytest.fixture(scope="session")
def event_loop():
    try:
        loop = asyncio.get_running_loop()
    except RuntimeError:
        loop = asyncio.new_event_loop()
    yield loop
    loop.close()

@pytest.fixture(autouse=True)
def mock_db_path(tmp_path, monkeypatch):
    # Ensure all modules (db, fetcher, summarizer, main) point to the temp test db
    test_db_file = os.path.join(tmp_path, "test_t_youtube.db")
    monkeypatch.setattr(db, "DB_PATH", test_db_file)

    # Also monkeypatch in other modules that import DB_PATH directly
    import fetcher
    import summarizer
    monkeypatch.setattr(fetcher, "DB_PATH", test_db_file)
    monkeypatch.setattr(summarizer, "DB_PATH", test_db_file)

    return test_db_file

@pytest.fixture
async def test_db(mock_db_path):
    # Initialize the tables
    await db.init_db()

    async with aiosqlite.connect(mock_db_path) as conn:
        conn.row_factory = aiosqlite.Row
        yield conn