"""All tests use disposable databases and a synthetic Telegram token."""
import os
import tempfile
import sys
from pathlib import Path

import pytest_asyncio

_temporary = tempfile.TemporaryDirectory(prefix="lottery-tests-")
os.environ["DATABASE_URL"] = os.getenv("TEST_DATABASE_URL") or (
    "sqlite+aiosqlite:///" + (Path(_temporary.name) / "test.db").as_posix()
)
os.environ["BOT_TOKEN"] = "123456:TEST_TOKEN_FOR_ISOLATED_TESTS"
os.environ["ADMIN_IDS"] = "900001"
os.environ["CASHIER_IDS"] = "900002"
os.environ["REDIS_URL"] = os.getenv("TEST_REDIS_URL", "")

from src.core.database import Base, engine, async_session_maker
from src.core import models


@pytest_asyncio.fixture(autouse=True)
async def database():
    if os.getenv("TEST_REDIS_URL"):
        from redis.asyncio import Redis
        redis = Redis.from_url(os.environ["TEST_REDIS_URL"])
        # Only the synthetic bot's FSM namespace in the disposable test service.
        keys = [key async for key in redis.scan_iter(match="fsm:123456:*")]
        if keys:
            await redis.delete(*keys)
        await redis.aclose()
    async with engine.begin() as connection:
        await connection.run_sync(Base.metadata.drop_all)
        await connection.run_sync(Base.metadata.create_all)
    yield async_session_maker
    if os.getenv("TEST_REDIS_URL") and "main" in sys.modules:
        await sys.modules["main"].dp.storage.close()
    await engine.dispose()