readonly ERROR=1
readonly WARNING=2
readonly INFO=4
readonly DEBUG=8
readonly ALL=15

VERBOSE_FLAGS=${ALL}

mapType() {
	case "${1}" in
		e | error    ) echo "${ERROR}" ;;
		w | warning  ) echo "${WARNING}" ;;
		i | info     ) echo "${INFO}" ;;
		d | debug    ) echo "${DEBUG}" ;;
                *            ) createIsoLogger -m "Invalid type '${1}'" -T "LOGGER"; return 1 ;;
	esac
}

createIsoLogger() {

	TYPE="${ERROR}"
	MSG=""
	SCRIPT="$(basename "${BASH_SOURCE[1]}")"
	LINE="${BASH_LINENO[0]}"

	while true; do
    	case "${1}" in
                -t | --type    ) TYPE="$(mapType "${2}")" || return; shift; shift ;;
                -T | --tag     ) TAG="${2}"; shift; shift ;;
                -m | --message ) MSG="${2}"; shift; shift ;;
                -s | --script  ) SCRIPT="${2}"; shift; shift ;;
        	-l | --line    ) LINE="${2}"; shift; shift ;;
                -*             ) createIsoLogger -m "Unrecognized option '${1}'" -T "LOGGER"; return ;;
 	        *              ) break ;;
    	esac
	done

	if [ "$((${VERBOSE_FLAGS} & ${TYPE}))" -eq "${TYPE}" ]; then
                if [ -z "${TAG}" ]; then
                        LOG_LINE="[${SCRIPT}]: line ${LINE}: ${MSG}"
                else
                        LOG_LINE="[${SCRIPT}]: line ${LINE}: [${TAG}]: ${MSG}"
                fi
		case "${TYPE}" in
			"${ERROR}"    ) LOG_LINE="\033[38;5;9m[ERROR]: ${LOG_LINE}\033[0m" ;;
			"${WARNING}"  ) LOG_LINE="\033[38;5;11m[WARNING]: ${LOG_LINE}\033[0m" ;;
			"${INFO}"     ) LOG_LINE="\033[38;5;10m[INFO]: ${LOG_LINE}\033[0m" ;;
			"${DEBUG}"    ) LOG_LINE="\033[38;5;6m[DEBUG]: ${LOG_LINE}\033[0m" ;;
			*             ) createIsoLogger -m "Invalid type '${TYPE}'" -T "LOGGER"; return ;;
		esac
		echo -e "${LOG_LINE}" 1>&2
		echo -e "${LOG_LINE}" >> "${LOG_FILE}"
	else
		createIsoLogger -m "Tried to use disabled type '${TYPE}'" -T "LOGGER"
		return
	fi

	if [ "${TYPE}" -eq "${ERROR}" ]; then
		/bin/bash
	fi
}

true