from __future__ import annotations

import pytest

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


@pytest.mark.parametrize(
    ("env_name", "env_value", "error_text"),
    [
        ("GITEA_WEBHOOK_SECRET", "   ", "GITEA_WEBHOOK_SECRET is required"),
        ("GITEA_TOKEN", "   ", "GITEA_TOKEN is required"),
        ("ALLOWED_REPOS", "   ", "ALLOWED_REPOS is required"),
    ],
)
def test_validate_required_env_fails_on_blank_required_settings(
    monkeypatch: pytest.MonkeyPatch, env_name: str, env_value: str, error_text: str
) -> None:
    monkeypatch.setenv(env_name, env_value)
    get_settings.cache_clear()
    settings = get_settings()

    with pytest.raises(RuntimeError, match=error_text):
        _validate_required_env(settings)


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)