# CLI user interface
#
# Copyright (C) 2015  Patrick "P. J." McDermott
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

log_file=''

log_init()
{
	local file="${1}"
	shift 1

	log_file="${file}"
	>"${log_file}"

	return 0
}

log_dbg()
{
	local fmt="${1}"
	shift 1

	if [ "x${log_file}" != 'x' ]; then
		printf "Debug: ${fmt}\n" "${@}" >>"${log_file}"
	fi

	return 0
}

log_info()
{
	local fmt="${1}"
	shift 1

	if [ "x${log_file}" != 'x' ]; then
		printf "${fmt}\n" "${@}" >>"${log_file}"
	fi

	return 0
}

log_warn()
{
	local fmt="${1}"
	shift 1

	if [ "x${log_file}" != 'x' ]; then
		printf "Warning: ${fmt}\n" "${@}" >>"${log_file}"
	fi

	return 0
}

log_err()
{
	local fmt="${1}"
	shift 1

	if [ "x${log_file}" != 'x' ]; then
		printf "Error: ${fmt}\n" "${@}" >>"${log_file}"
	fi

	return 0
}