"""Shared pytest fixtures.

The auth integration tests hit the *real* Postgres database (per
``DATABASE_URL``), so they persist data between runs.  Without cleanup a
second run of the suite fails with 409 conflicts because the users it
registered on the first run already exist.  The session-scoped fixture below
truncates all application tables once before the first test, making the suite
re-runnable.

Truncation order doesn't strictly matter because ``CASCADE`` follows foreign
keys, but the tables are listed explicitly for clarity.
"""

import asyncio

import pytest
from sqlalchemy import text
from sqlalchemy.ext.asyncio import create_async_engine

from app.config import settings

TEST_TABLES = ("assets", "worlds", "sessions", "refresh_tokens", "users")


@pytest.fixture(scope="session", autouse=True)
def _reset_database():
    """Truncate all application tables once per test session."""

    async def _truncate() -> None:
        engine = create_async_engine(settings.DATABASE_URL)
        async with engine.begin() as conn:
            await conn.execute(
                text(f"TRUNCATE TABLE {', '.join(TEST_TABLES)} CASCADE")
            )
        await engine.dispose()

    asyncio.run(_truncate())
    yield