"""Integration tests: model surface, ai_log_job translation fan-out,
route-level localized fetch, settings PATCH validation."""
from __future__ import annotations

import pytest


def _build_session_factory(tmp_path):
    """Per-test sqlite engine + factory. Mirrors test_referral_conversion.py."""
    from sqlalchemy.ext.asyncio import async_sessionmaker, create_async_engine

    from app import db as db_mod
    from app.db import Base
    import app.models  # noqa: F401 — registers models on Base.metadata

    engine = create_async_engine(f"sqlite+aiosqlite:///{tmp_path}/loc.db")
    factory = async_sessionmaker(engine, expire_on_commit=False)
    db_mod._engine = engine
    db_mod._session_factory = factory

    async def _setup():
        async with engine.begin() as conn:
            await conn.run_sync(Base.metadata.create_all)

    return engine, factory, _setup


def test_user_has_lang_column_with_default_en():
    from sqlalchemy import inspect
    from app.models import User

    cols = {c.name: c for c in inspect(User).columns}
    assert "lang" in cols
    assert cols["lang"].nullable is False
    # SQLAlchemy default may be a callable or a literal — check both.
    default = cols["lang"].default
    assert default is not None
    if hasattr(default, "arg"):
        assert default.arg == "en"


def test_strategic_log_translation_model_columns():
    from sqlalchemy import inspect
    from app.models import StrategicLogTranslation

    cols = {c.name: c for c in inspect(StrategicLogTranslation).columns}
    assert "log_id" in cols
    assert "lang" in cols
    assert "content_md" in cols
    assert "generated_at" in cols
    assert "llm_model" in cols
    assert "llm_cost_usd" in cols
    assert cols["log_id"].nullable is False
    assert cols["lang"].nullable is False
    assert cols["content_md"].nullable is False