#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="${SCRIPT_DIR}/.."
SRC_DIR="${PROJECT_ROOT}/src"

if ! command -v clang-format >/dev/null 2>&1; then
  echo "error: clang-format is not installed or not in PATH" >&2
  exit 1
fi

if [ ! -d "${SRC_DIR}" ]; then
  echo "warning: src directory not found; nothing to format" >&2
  exit 0
fi

find "${SRC_DIR}" -name '*.cpp' -o -name '*.hpp' -o -name '*.h' | while read -r file; do
  clang-format -i "$file"
  echo "formatted $file"
done