#!/bin/sh
# -*- mode: sh; fill-column: 75; tab-width: 8; coding: utf-8-unix -*-

[ -z "$prog" ] && prog=`basename $0 .bash`
[ -z "$USER" ] && USER=$( id -un )
[ -z "$DEBUG" ] && DEBUG=0
if [ -z "$TERM" ] || [ "`tty`" == '' ] ; then
    USAGE () { echo "USAGE: " $* ; exit 0 ; }
    ERROR () { echo "ERROR: $prog" $* ; }
    WARN () { echo "WARN: $prog" $* ; }
    INFO () { echo "INFO: $prog" $* ; }
    DBUG () { echo "DBUG: $prog" $* ; }
    PANIC () { echo "PANIC: $prog" $* ; exit 1; }
    FATL () { echo "PANIC: $prog" $* ; exit 1; }
    
    usage () { echo "USAGE: " $* >&2 ; exit 0 >&2 ; }
    error () { echo "ERROR: $prog" $* >&2 ; }
    warn () { echo "WARN: $prog" $* >&2 ; }
    info () { echo "INFO: $prog" $* >&2 ; }
    dbug () { echo "DBUG: $prog" $* >&2 ; }
    panic () { echo "PANIC: $prog" $* >&2 ; exit 1; }
    fatl () { echo "PANIC: $prog" $* >&2 ; exit 1; }
else

    if [ -n "$TERM" ] ; then
	# vars that can be used to change font color
	blue=$(tput setaf 6)
	cyan=$(tput setaf 5)
	green=$(tput setaf 2)
	yellow=$(tput setaf 3)
	red=$(tput setaf 1)
	normal=$(tput sgr0) # default color
    else
	blue=
	cyan=
	green=
	yellow=
	red=
	normal=
    fi

    FATL () {
	local code=0
	[ $# -eq 1 ] && code=1
	[ $# -gt 1 ] && code=$1 && shift
	echo ${red}FATL:${normal} $*
	exit $code
    }
    ftal () { FATL >&2 "$@" ; }
    panic () { FATL >&2 "$@" ; }
    PANIC () { FATL >&2 "$@" ; }

    ERROR () {
	echo ${red}EROR:${normal} $*
	return 0
    }
    error () { ERROR >&2  $* ; }

    WARN () {
	echo ${yellow}WARN:${normal} $*
	return 0

    }
    warn () { WARN >&2  $* ; }

    INFO () {
	echo ${green}INFO:${normal} $*
	return 0
    }
    info () { INFO >&2 $* ; }

    DBUG () {
	[ -z "$DEBUG" ] || [ "$DEBUG" = 0 ] || echo ${blue}DBUG:${normal} $*
	return 0
    }
    dbug () { DBUG >&2 $* ; }
    debug () { [ "$DEBUG" = "1" ] && echo >&2 ${cyan}DBUG:${normal} $* ; return 0 ; }

    USAGE () {
	echo ${yellow}USAGE:${normal} $*
	return 0

    }
    usage () { USAGE >&2 $* ; }
fi

msys_are_we_connected () { grep -q "^wlan[1-9][ 	]00000000" /proc/net/route ; return $? ; }