#!/usr/bin/env bash

if pwd | grep -q tools; then
  cd ..
fi

files=$(find iota/ \( -name '*.c' -o -name '*.h' \))
files+=" $(find . -maxdepth 1 -type f)"

ignore="README COPYING .clang-format"

if [ -z "$files" ]; then
  echo "No files found"
  exit 0
fi

missing=""

for file in $files; do
  if echo "$ignore" | grep -qw "$(basename "$file")"; then
    continue
  fi
  echo -ne "$file... "
  if grep -q "Copyright (C)" "$file"; then
    echo -e "\033[1;32mOK\033[0m"
  else
    echo -e "\033[0;31mFAIL\033[0m"
    missing+="$file "
  fi
done

if [ "$missing" = "" ]; then
  echo -e "\033[1;32mAll checks pass.\033[0m"
else
  echo -e "\033[0;31mThe follwing files are missing copyright information.\033[0m"
fi

for file in $missing; do
  echo " - $file"
done