#!/bin/bash

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

cd `dirname $0`
cd ../cpp

function format_linux {
  # Check if clang-format-15 is installed
  if ! command -v clang-format-15 &> /dev/null
  then
      echo "clang-format-15 could not be found"
      echo "Installing clang-format-15..."
      sudo apt update
      sudo apt install clang-format-15
  fi

  find ./core -regex '.*\.\(cc\|hpp\|cu\|c\|h\)' -exec clang-format-15 -style=file -i {} \;
  find ./velox -regex '.*\.\(cc\|hpp\|cu\|c\|h\)' -exec clang-format-15 -style=file -i {} \;
}

function format_macos {
  # Check if clang-format 15 is installed
  if ! command -v clang-format &> /dev/null
  then
    echo "clang-format could not be found, please install it. (Note: clang-format version 15 is required. pipx install command: 'pipx install clang-format==15.0.7')"
    exit 1
  fi
  if ! clang-format --version | grep -q "version 15"; then
    echo "clang-format version 15 is required. (pipx install command: 'pipx install clang-format==15.0.7')"
    exit 1
  fi

  find -E ./core -regex '.*\.(cc|hpp|cu|c|h)' -exec clang-format -style=file -i {} \;
  find -E ./velox -regex '.*\.(cc|hpp|cu|c|h)' -exec clang-format -style=file -i {} \;
}

OS=`uname -s`
if [ $OS == 'Linux' ]; then
  format_linux
elif [ $OS == 'Darwin' ]; then
  format_macos
else
  echo "Unsupported kernel: $OS"
  exit 1
fi