#!/usr/bin/env bash
set -euo pipefail
BUILD_DIR=build
if [ ! -f "${BUILD_DIR}/compile_commands.json" ]; then
  echo "compile_commands.json not found; running cmake configure..."
  cmake -S . -B "${BUILD_DIR}" -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
fi
if ! command -v clang-tidy >/dev/null 2>&1; then
  echo "clang-tidy not found in PATH"
  exit 1
fi

# Prefer files tracked by git; fallback to find
if git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
  FILES=$(git ls-files '*.cpp' '*.cxx' '*.cc' '*.h' '*.hpp' || true)
else
  FILES=$(find . -iname "*.cpp" -o -iname "*.cc" -o -iname "*.cxx" -o -iname "*.h" -o -iname "*.hpp")
fi

if [ -z "${FILES}" ]; then
  echo "No source files found for clang-tidy"
  exit 0
fi

for f in ${FILES}; do
  echo "Running clang-tidy on ${f}"
  clang-tidy "${f}" -p "${BUILD_DIR}" || true
done