"""Convert the browser's bundled WOFF2 fonts to PDF-embeddable TTF files."""

from pathlib import Path
import sys

from fontTools.ttLib import TTFont


FONT_SPECS = (
    ("outfit", "outfit-latin-400-normal.woff2", "outfit-400.ttf"),
    ("outfit", "outfit-latin-700-normal.woff2", "outfit-700.ttf"),
    ("plus-jakarta-sans", "plus-jakarta-sans-latin-400-normal.woff2", "plus-jakarta-sans-400.ttf"),
    ("plus-jakarta-sans", "plus-jakarta-sans-latin-700-normal.woff2", "plus-jakarta-sans-700.ttf"),
    (
        "plus-jakarta-sans",
        "plus-jakarta-sans-latin-400-italic.woff2",
        "plus-jakarta-sans-400-italic.ttf",
    ),
    (
        "plus-jakarta-sans",
        "plus-jakarta-sans-latin-700-italic.woff2",
        "plus-jakarta-sans-700-italic.ttf",
    ),
    ("allura", "allura-latin-400-normal.woff2", "allura-400.ttf"),
    ("caveat", "caveat-latin-400-normal.woff2", "caveat-400.ttf"),
    (
        "dancing-script",
        "dancing-script-latin-400-normal.woff2",
        "dancing-script-400.ttf",
    ),
    ("great-vibes", "great-vibes-latin-400-normal.woff2", "great-vibes-400.ttf"),
    ("sacramento", "sacramento-latin-400-normal.woff2", "sacramento-400.ttf"),
)


def main(source_root: Path, output_root: Path) -> None:
    output_root.mkdir(parents=True, exist_ok=True)
    for package, source_name, output_name in FONT_SPECS:
        source = source_root / package / "files" / source_name
        if not source.is_file():
            raise FileNotFoundError(source)
        font = TTFont(source)
        font.flavor = None
        font.save(output_root / output_name)


if __name__ == "__main__":
    if len(sys.argv) != 3:
        raise SystemExit("usage: convert_frontend_fonts.py SOURCE_ROOT OUTPUT_ROOT")
    main(Path(sys.argv[1]), Path(sys.argv[2]))