from __future__ import annotations

import io
from pathlib import Path

import pytest
from PIL import Image

from app.config import Settings, load_settings


def tiny_jpeg() -> bytes:
    image = Image.new("RGB", (16, 16), (240, 240, 240))
    buf = io.BytesIO()
    image.save(buf, format="JPEG")
    return buf.getvalue()


@pytest.fixture
def settings(tmp_path: Path) -> Settings:
    return load_settings(
        root_dir=tmp_path,
        data_dir=tmp_path / "data",
        inbox_dir=tmp_path / "inbox",
        processing_dir=tmp_path / "processing",
        processed_dir=tmp_path / "processed",
        failed_dir=tmp_path / "failed",
        exports_dir=tmp_path / "exports",
        idle_seconds=0.05,
        llm_backend="gemma",
        llm_route="direct",
        llm_base_url="http://llm.test/v1",
        llm_model="google/gemma-4-12B-it",
        embed_backend="omni",
        embed_base_url="http://llm.test/v1",
        embed_model="google/gemma-4-12B-it",
        embed_dim=8,
        embed_prefix=True,
    )