from collections.abc import AsyncIterator
from pathlib import Path

import pytest
from sqlalchemy.ext.asyncio import AsyncEngine

from app.config import AccessSettings, RuntimeSettings, Settings, TelegramSettings
from app.db.migrate import upgrade
from app.db.session import SessionMaker, make_engine, make_sessionmaker
from app.texts import Texts, load_texts

ROOT = Path(__file__).resolve().parent.parent
ADMIN = 1001
OUTSIDER = 2002


@pytest.fixture
def texts() -> Texts:
    return load_texts(ROOT / "config")


@pytest.fixture
def settings(tmp_path: Path) -> Settings:
    return Settings(
        telegram=TelegramSettings(bot_token="42:TEST-TOKEN"),
        access=AccessSettings(admin_ids=frozenset({ADMIN})),
        runtime=RuntimeSettings(config_dir=ROOT / "config", heartbeat_file=tmp_path / "hb"),
    )


@pytest.fixture
async def engine() -> AsyncIterator[AsyncEngine]:
    """Fresh in-memory SQLite with all migrations applied — the same path the bot takes at startup."""
    eng = make_engine("sqlite+aiosqlite://")
    await upgrade(eng)
    yield eng
    await eng.dispose()


@pytest.fixture
def sessions(engine: AsyncEngine) -> SessionMaker:
    return make_sessionmaker(engine)