import asyncio
import importlib
import sys
from pathlib import Path

import pytest


BACKEND_DIR = Path(__file__).resolve().parents[1]
if str(BACKEND_DIR) not in sys.path:
    sys.path.insert(0, str(BACKEND_DIR))

try:
    llm = importlib.import_module("llm")
except ModuleNotFoundError:
    pytest.skip("llm module dependencies are not available", allow_module_level=True)


def test_call_ollama_messages_roles_with_system(monkeypatch):
    captured = {}

    async def fake_generate(**kwargs):
        captured["kwargs"] = kwargs
        return {"response": "ok"}

    monkeypatch.setattr(llm.client, "generate", fake_generate)

    result = asyncio.run(
        llm.call_ollama(
            "user prompt body",
            system_prompt="system prompt body",
            tag="test",
            temperature=0.1,
        )
    )

    assert result["content"] == "ok"
    assert captured["kwargs"]["prompt"] == "system prompt body\n\nuser prompt body"
    assert captured["kwargs"]["raw"] is True


def test_call_ollama_messages_roles_without_system(monkeypatch):
    captured = {}

    async def fake_generate(**kwargs):
        captured["kwargs"] = kwargs
        return {"response": "ok"}

    monkeypatch.setattr(llm.client, "generate", fake_generate)

    result = asyncio.run(
        llm.call_ollama(
            "user prompt only",
            system_prompt="",
            tag="test-no-system",
            temperature=0.1,
        )
    )

    assert result["content"] == "ok"
    assert captured["kwargs"]["prompt"] == "user prompt only"
    assert captured["kwargs"]["raw"] is True