"""Verify that each font's cask references valid font files that exist."""
import re

import pytest

from tests.conftest import CASKS_DIR, FONT_FILES_DIR, get_font_dir_names


@pytest.mark.parametrize("font_name", get_font_dir_names())
def test_cask_font_artifacts_are_installable(font_name):
    """Each font artifact in the cask points to a real TTF or OTF file."""
    cask_path = CASKS_DIR / f"{font_name}.rb"
    if not cask_path.exists():
        pytest.skip(f"No cask for {font_name} (no TTF/OTF files)")

    content = cask_path.read_text()
    paths = re.findall(r'^\s*font\s+"([^"]+)"', content, re.MULTILINE)
    assert paths, f"{font_name}: cask has no font artifacts"

    for rel_path in paths:
        local_path = rel_path.replace("homebrew-fonts/", "", 1)
        full_path = FONT_FILES_DIR.parent / local_path
        assert full_path.is_file(), f"{font_name}: missing font file: {rel_path}"
        assert full_path.suffix.lower() in (".ttf", ".otf", ".ttc"), (
            f"{font_name}: unexpected font type: {full_path.suffix}"
        )