#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Check project-owned C and header files with clang-format."""

from __future__ import annotations

import argparse
import subprocess
from pathlib import Path


def main() -> int:
    parser = argparse.ArgumentParser()
    parser.add_argument("--root", type=Path, required=True)
    parser.add_argument("--clang-format", required=True)
    args = parser.parse_args()

    root = args.root.resolve()
    files: list[Path] = []
    for directory in ("include", "src", "adapters", "samples", "tests"):
        files.extend(sorted((root / directory).rglob("*.c")))
        files.extend(sorted((root / directory).rglob("*.h")))

    result = subprocess.run(
        [args.clang_format, "--dry-run", "--Werror", *map(str, files)],
        cwd=root,
        check=False,
    )
    if result.returncode != 0:
        return result.returncode
    print(f"format check passed across {len(files)} C/header files")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())