"""Tests for mckicad.config — lazy configuration functions."""

def test_kicad_extensions_has_required_types():
    from mckicad.config import KICAD_EXTENSIONS

    assert "project" in KICAD_EXTENSIONS
    assert "pcb" in KICAD_EXTENSIONS
    assert "schematic" in KICAD_EXTENSIONS
    assert KICAD_EXTENSIONS["project"] == ".kicad_pro"


def test_timeout_constants_are_positive():
    from mckicad.config import TIMEOUT_CONSTANTS

    for key, val in TIMEOUT_CONSTANTS.items():
        assert val > 0, f"Timeout {key} must be positive"


def test_get_search_paths_reads_env(monkeypatch, tmp_path):
    test_dir = str(tmp_path)
    monkeypatch.setenv("KICAD_SEARCH_PATHS", test_dir)

    from mckicad.config import get_search_paths

    paths = get_search_paths()
    assert test_dir in paths


def test_get_search_paths_filters_nonexistent(monkeypatch):
    monkeypatch.setenv("KICAD_SEARCH_PATHS", "/nonexistent/path/abc123")

    from mckicad.config import get_search_paths

    paths = get_search_paths()
    assert "/nonexistent/path/abc123" not in paths


def test_get_kicad_user_dir_env_override(monkeypatch):
    monkeypatch.setenv("KICAD_USER_DIR", "/custom/kicad/dir")

    from mckicad.config import get_kicad_user_dir

    assert get_kicad_user_dir() == "/custom/kicad/dir"


def test_common_libraries_structure():
    from mckicad.config import COMMON_LIBRARIES

    assert "basic" in COMMON_LIBRARIES
    assert "resistor" in COMMON_LIBRARIES["basic"]
    assert "library" in COMMON_LIBRARIES["basic"]["resistor"]
    assert "symbol" in COMMON_LIBRARIES["basic"]["resistor"]