"""``build_llm_provider`` — settings validation + provider build."""

from __future__ import annotations

import pytest
from pydantic import SecretStr

from everos.component.llm import build_llm_provider
from everos.component.llm import factory as factory_mod
from everos.component.llm.openai_provider import OpenAIProvider
from everos.config.settings import LLMSettings


def test_raises_when_api_key_missing() -> None:
    s = LLMSettings(model="m", api_key=None, base_url="https://x")
    with pytest.raises(ValueError, match="EVEROS_LLM__API_KEY"):
        build_llm_provider(s)


def test_raises_when_base_url_missing() -> None:
    s = LLMSettings(model="m", api_key=SecretStr("k"), base_url=None)
    with pytest.raises(ValueError, match="EVEROS_LLM__BASE_URL"):
        build_llm_provider(s)


def test_builds_openai_provider() -> None:
    s = LLMSettings(model="m", api_key=SecretStr("k"), base_url="https://x")
    p = build_llm_provider(s)
    assert isinstance(p, OpenAIProvider)


def test_passes_configured_timeout(monkeypatch: pytest.MonkeyPatch) -> None:
    captured_kwargs = {}
    sentinel = object()

    def capture_provider(**kwargs):
        captured_kwargs.update(kwargs)
        return sentinel

    monkeypatch.setattr(factory_mod, "OpenAIProvider", capture_provider)
    s = LLMSettings(
        model="m",
        api_key=SecretStr("k"),
        base_url="https://x",
        timeout_seconds=240.0,
    )

    assert build_llm_provider(s) is sentinel
    assert captured_kwargs["timeout"] == 240.0