#!/bin/tclsh

#  RaspMatic update addon
#
#  Copyright (C) 2017  Jan Schneider <oss@janschneider.net>
#
#  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/>.

source /usr/local/addons/rmupdate/lib/rmupdate.tcl

proc usage {} {
	global argv0
	puts stderr ""
	puts stderr "usage: ${argv0} <command>"
	puts stderr ""
	puts stderr "possible commands:"
	puts stderr "  show_current      : show current firmware version"
	puts stderr "  show_latest       : show latest available firmware version"
	puts stderr "  install_latest    : install latest available firmware version"
	puts stderr "  install <version> : install firmware VERSION"
}

proc main {} {
	global argc
	global argv
	
	set cmd [string tolower [lindex $argv 0]]
	
	if {$cmd == "show_current"} {
		puts [rmupdate::get_current_firmware_version]
	} elseif {$cmd == "show_latest"} {
		puts [rmupdate::get_latest_firmware_version]
	} elseif {$cmd == "install_latest"} {
		rmupdate::install_firmware_version [rmupdate::get_latest_firmware_version]
	} elseif {$cmd == "install"} {
		if {$argc < 2} {
			usage
			exit 1
		}
		rmupdate::install_firmware_version [lindex $argv 1]
	} else {
		usage
		exit 1
	}
}

if { [ catch {
	main
} err ] } {
	puts stderr "ERROR: $err"
	exit 1
}
exit 0