from __future__ import annotations

from collections.abc import Iterator
from pathlib import Path

import pytest

from stirling.config import AppSettings, RagBackend, load_settings
from stirling.services import build_runtime
from stirling.services.runtime import AppRuntime


@pytest.fixture(autouse=True)
def clear_settings_cache() -> Iterator[None]:
    load_settings.cache_clear()
    yield
    load_settings.cache_clear()


def build_app_settings() -> AppSettings:
    return AppSettings(
        smart_model_name="test",
        fast_model_name="test",
        smart_model_max_tokens=8192,
        fast_model_max_tokens=2048,
        rag_backend=RagBackend.SQLITE,
        rag_embedding_model="voyageai:voyage-4",
        rag_store_path=Path(":memory:"),
        rag_pgvector_dsn="",
        rag_chunk_size=512,
        rag_chunk_overlap=64,
        rag_default_top_k=5,
        max_pages=200,
        max_characters=200_000,
        posthog_enabled=False,
        posthog_api_key="",
        posthog_host="https://eu.i.posthog.com",
    )


@pytest.fixture
def app_settings() -> AppSettings:
    return build_app_settings()


@pytest.fixture
def runtime(app_settings: AppSettings) -> AppRuntime:
    return build_runtime(app_settings)