#!/usr/bin/env bash
#
# Usage:
#   bin/rubocop [-A|-t|-h]
#   bin/rubocop [file or path] [cli options]
#
# Options:
#  -A                      Autocorrect
#  -t                      AutoGenConfig
#  --update-config         Update config from Rails
#  -h,--help,help          Usage

set -eou pipefail

case $1 in
  -A)
     echo "Rubocop autocorrect is ON" >&2
     bin/rake -f lib/tasks/rubocop.rake rubocop:auto_correct
     ;;

  -t)
     echo "Rubocop is generating a new TODO" >&2
     bin/rake -f lib/tasks/rubocop.rake rubocop:auto_gen_config
     ;;

  -h|--help|help)
     sed -ne '/^#/!q;s/.\{1,2\}//;1d;p' < "$0"
     ;;

  --update-config)
    curl -X GET https://raw.githubusercontent.com/rails/rails/master/.rubocop.yml -o .rubocop.yml
    bundle check || bundle install --local || bundle install
    echo "Current rubocop version is:"
    bundle show rubocop
    echo "Rails rubocop version is:"
    curl -X GET https://raw.githubusercontent.com/rails/rails/master/Gemfile | grep rubocop
    ;;

  *)
     # with no args, run vanilla rubocop
     # else assume we're passing in arbitrary arguments
     if [ -z "$1" ]; then
       bin/rake -f lib/tasks/rubocop.rake rubocop
     else
       bundle exec rubocop "$@"
     fi
     ;;
esac