#!/usr/bin/env bash

# To generate script:
#	~/.local/bin/gengetoptions embed run_policy.sh.template > run_policy.sh

# @getoptions
parser_definition() {
	setup	REST	help:usage	--			"Usage: run_policy [options]... [arguments]"	''
	msg	--	'Options:'
	flag	FLAG_D	-d		--debug	   init:=0	--	"displays debug information"
	flag	DRY_RUN	-n		--dry-run  init:=0	--	"run a dry run"
	param	POLICY	-p		--policy base:"default"	--	"Policy to run (default: 'base')"
	disp	:usage	-h		--help
}

# @gengetoptions parser -i parser_definition parse
# Generated by getoptions (BEGIN)
# URL: https://github.com/ko1nksm/getoptions (v3.3.0)
FLAG_D='0'
DRY_RUN='0'
POLICY=''
REST=''
parse() {
  OPTIND=$(($#+1))
  while OPTARG= && [ $# -gt 0 ]; do
    case $1 in
      --?*=*) OPTARG=$1; shift
        eval 'set -- "${OPTARG%%\=*}" "${OPTARG#*\=}"' ${1+'"$@"'}
        ;;
      --no-*|--without-*) unset OPTARG ;;
      -[p]?*) OPTARG=$1; shift
        eval 'set -- "${OPTARG%"${OPTARG#??}"}" "${OPTARG#??}"' ${1+'"$@"'}
        ;;
      -[dnh]?*) OPTARG=$1; shift
        eval 'set -- "${OPTARG%"${OPTARG#??}"}" -"${OPTARG#??}"' ${1+'"$@"'}
        OPTARG= ;;
    esac
    case $1 in
      '-d'|'--debug')
        [ "${OPTARG:-}" ] && OPTARG=${OPTARG#*\=} && set "noarg" "$1" && break
        eval '[ ${OPTARG+x} ] &&:' && OPTARG='1' || OPTARG=''
        FLAG_D="$OPTARG"
        ;;
      '-n'|'--dry-run')
        [ "${OPTARG:-}" ] && OPTARG=${OPTARG#*\=} && set "noarg" "$1" && break
        eval '[ ${OPTARG+x} ] &&:' && OPTARG='1' || OPTARG=''
        DRY_RUN="$OPTARG"
        ;;
      '-p'|'--policy')
        [ $# -le 1 ] && set "required" "$1" && break
        OPTARG=$2
        POLICY="$OPTARG"
        shift ;;
      '-h'|'--help')
        usage
        exit 0 ;;
      --)
        shift
        while [ $# -gt 0 ]; do
          REST="${REST} \"\${$(($OPTIND-$#))}\""
          shift
        done
        break ;;
      [-]?*) set "unknown" "$1"; break ;;
      *)
        REST="${REST} \"\${$(($OPTIND-$#))}\""
    esac
    shift
  done
  [ $# -eq 0 ] && { OPTIND=1; unset OPTARG; return 0; }
  case $1 in
    unknown) set "Unrecognized option: $2" "$@" ;;
    noarg) set "Does not allow an argument: $2" "$@" ;;
    required) set "Requires an argument: $2" "$@" ;;
    pattern:*) set "Does not match the pattern (${1#*:}): $2" "$@" ;;
    notcmd) set "Not a command: $2" "$@" ;;
    *) set "Validation error ($1): $2" "$@"
  esac
  echo "$1" >&2
  exit 1
}
usage() {
cat<<'GETOPTIONSHERE'
Usage: run_policy [options]... [arguments]

Options:
  -d, --debug                 displays debug information
  -n, --dry-run               run a dry run
  -p, --policy POLICY         Policy to run (default: 'base')
  -h, --help                  
GETOPTIONSHERE
}
# Generated by getoptions (END)
# @end

parse "$@"

eval "set -- ${REST}"

set -e
# Ref:
# 	https://medium.com/@emachnic/using-policyfiles-with-chef-client-local-mode-4f47477b24db
./scripts/export_policy.sh ${POLICY}
echo -e "\n\e[4m\e[33mRunning:\e[0m \e[33m\e[1mchef-client -z\e[39m\e[0m"
pushd policy-export > /dev/null
if [ ${DRY_RUN} -eq 1 ]; then
	OPT="--why-run"
fi

if [ ${FLAG_D} -eq 1 ]; then
	OPT="${OPT} --log_level debug"
fi

bundle exec chef-client --chef-license 'accept' --config-option 'client_d_dir=../client.d' -z ${OPT}
popd > /dev/null
./scripts/end_run.sh