#

# Copyright (c) 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 LucĂ­a Andrea Illanes Albornoz <lucia@luciaillanes.de>

# set +o errexit -o noglob -o nounset is assumed.

#

#

# Private globals and subroutines

#

RTLP_LOG_FNAME="";

RTLP_LOG_NO_ATTR=0;

RTLP_LOG_TAGS="";

rtlp_log_printf() {

	local	_rplp_attr="${1}" _rplp_fmt_pfx="${2}"	\

		_rplp_fmt="${3#*;}" _rplp_fmt_argc="${3%%;*}";

	shift 3;

	if [ "${#}" -ne "${_rplp_fmt_argc}" ]; then

		if [ "${_rplp_fmt_argc}" -eq 0 ]; then

			shift "${#}";

		else

			rtlp_log_printf "" "" "0;==> ?[4;41;97mFIXME TODO XXX MESSAGE STRING ARGUMENT COUNT MISMATCH?[0m\n";

		fi;

	fi;

	_rplp_msg="$(printf "${_rplp_fmt_pfx}${_rplp_fmt}" "${@}")";

	if [ "${RTLP_LOG_FNAME:+1}" = 1 ]; then

		printf "%s\n" "${_rplp_msg}" >> "${RTLP_LOG_FNAME}";

	fi;

	if [ "${RTLP_LOG_NO_ATTR:-0}" -eq 0 ]; then

		printf "\033[0m\033[${_rplp_attr}m%s\033[0m\n" "${_rplp_msg}";

	else

		printf "%s\n" "${_rplp_msg}";

	fi;

	return 0;

};

#

# Public subroutines

#

rtl_log_clear_tags() {

	RTLP_LOG_TAGS=""; return 0;

};

rtl_log_enable_tags() {

	local IFS=","; set -- ${*};

	while [ "${#}" -gt 0 ]; do

		if ! rtl_lmatch \$RTLP_LOG_TAGS "${1}" ","; then

			RTLP_LOG_TAGS="${RTLP_LOG_TAGS:+${RTLP_LOG_TAGS},}${1}";

		fi; shift;

	done;

	return 0;

};

rtl_log_env_vars() {

	local	_rlev_tag="${1}" _rlev_type="${2}"	\

		_rlev_arg_len_max=0 _rlev_list="" _rlev_msg="" _rlev_msg_="";

	shift 2;

	rtl_log_msg "${_rlev_tag}" "${MSG_rtl_log_vars_header}" "${_rlev_type}";

	_rlev_list="${@}"; rtl_lmax \$_rlev_list \$_rlev_arg_len_max;

	while [ "${#}" -gt 0 ]; do

		rtl_get_var_unsafe \$_rlev_msg "${1#*=}";

		rtl_llift2 \$_rlev_msg \$_rlev_msg_ "" " ";

		rtl_log_msg "${_rlev_tag}"					\

			"2;%${_rlev_arg_len_max}.${_rlev_arg_len_max}s=%s"	\

			"${1%%=*}" "${_rlev_msg_}";

		shift;

	done;

	return 0;

};

rtl_log_msg() {

	local	_rlm3_tag="${1}" _rlm3_fmt="${2}"	\

		_rlm3_attr="" _rlm3_date_now=0 _rlm3_exitfl=0;

	shift 2;

	if [ "x${_rlm3_tag}" = "xfatalexit" ]; then

		_rlm3_tag="fatal"; _rlm3_exitfl=1;

	fi;

	if rtl_lmatch \$RTLP_LOG_TAGS "${_rlm3_tag}" ","; then

		eval _rlm3_attr='${LOG_TAG_'"${_rlm3_tag}"':-}';

		if [ "${#_rlm3_attr}" -eq 0 ]; then

			rtlp_log_printf "" "" "0;==> ?[4;41;97mFIXME TODO XXX UNKNOWN TAG \`${_rlm3_tag}' PASSED TO rtl_log_msg()?[0m\n";

		fi;

		rtl_date \$_rlm3_date_now;

		rtlp_log_printf "${_rlm3_attr}" "==> ${_rlm3_date_now} " "${_rlm3_fmt}" "${@}";

		if [ "${_rlm3_exitfl}" -eq 1 ]; then

			exit 1;

		fi;

	fi;

	return 0;

};

rtl_log_set_fname() {

	RTLP_LOG_FNAME="${1}";

	return 0;

};

rtl_log_set_no_attr() {

	RTLP_LOG_NO_ATTR="${1}";

	return 0;

};

# vim:filetype=sh textwidth=0