from __future__ import annotations

import pytest

from gitea_codex_bot.config import get_settings
from gitea_codex_bot.main import _validate_required_env


def test_validate_required_env_requires_api_key_in_api_key_mode(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setenv("OPENAI_API_KEY", "")
    monkeypatch.setenv("CODEX_AUTH_MODE", "api_key")
    get_settings.cache_clear()
    settings = get_settings()

    with pytest.raises(RuntimeError, match="OPENAI_API_KEY is required"):
        _validate_required_env(settings)


def test_validate_required_env_allows_missing_key_in_chatgpt_mode(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setenv("OPENAI_API_KEY", "")
    monkeypatch.setenv("CODEX_AUTH_MODE", "chatgpt")
    get_settings.cache_clear()
    settings = get_settings()

    _validate_required_env(settings)