from dataclasses import replace

import pytest

from tenant_engine.config import Settings
from tenant_engine.main import _build_store
from tenant_engine.sqlite_store import SQLiteTenantStore


def _settings() -> Settings:
    return Settings(
        flex_auth_base_url=None,
        flex_auth_timeout_seconds=1,
        host="127.0.0.1",
        port=8090,
    )


def test_store_selection_defaults_to_memory_and_selects_sqlite(tmp_path) -> None:
    assert _build_store(_settings()) is None
    store = _build_store(replace(_settings(), database_path=str(tmp_path / "tenant.db")))
    assert isinstance(store, SQLiteTenantStore)


def test_store_selection_refuses_ambiguous_configuration(tmp_path) -> None:
    with pytest.raises(RuntimeError, match="ambiguous store configuration"):
        _build_store(
            replace(
                _settings(),
                database_path=str(tmp_path / "tenant.db"),
                database_url_file=str(tmp_path / "database-url"),
            )
        )