"""Tests for the constants module."""

import re

import pytest

from src.constants import (
    APP_NAME,
    APP_TITLE,
    VERSION,
    _load_debug,
    _load_version,
)


def test_load_version_returns_string() -> None:
    assert isinstance(_load_version(), str)


def test_load_version_semver_format() -> None:
    assert re.match(r"^\d+\.\d+\.\d+", _load_version()), f"Not semver: {_load_version()!r}"


def test_version_has_v_prefix() -> None:
    assert VERSION.startswith("v")


def test_app_name_value() -> None:
    assert APP_NAME == "GOGUpdater"


def test_app_title_contains_version() -> None:
    assert VERSION in APP_TITLE


def test_load_debug_returns_bool() -> None:
    assert isinstance(_load_debug(), bool)


def test_load_debug_true_variants(monkeypatch: pytest.MonkeyPatch) -> None:
    for value in ("true", "1", "yes", "YES", "True"):
        monkeypatch.setenv("ENV_DEBUG", value)
        assert _load_debug() is True, f"Expected True for ENV_DEBUG={value!r}"


def test_load_debug_false_when_unset(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.delenv("ENV_DEBUG", raising=False)
    assert _load_debug() is False