#! /bin/sh

get_param () {
    if [ $# -lt 1 ] ; then
	echo Internal error: parameter required in get_param
	exit -1
    fi
    prompt=$1
    if [ $# -gt 1 ] ; then
	default=$2
    else
	default=""
    fi

    echo ""
    echo "$prompt:"
    echo -n "    [$default]: "
    read answer
    if [ "$answer" = "" ] ; then
	answer=$default
    fi
}

get_yesno () {
    if [ $# -lt 1 ] ; then
	echo Internal error: parameter required in get_yesno
	exit -1
    fi
    prompt=$1
    if [ $# -gt 1 ] ; then
	default=$2
	if [ "$default" != "Y" -a "$default" != "y" -a "$default" != "N" -a "$default" != "n" ] ; then
	    echo Internal error: Defualt must be Y, y, N, or n
	    exit -1
	fi
    else
	default=""
    fi

    answer=""

    while [ "$answer" != "Y" -a "$answer" != "y" -a "$answer" != "N" -a "$answer" != "n" ] ; do
	echo -n "$prompt [Y/N] <$default> "
	read answer
	if [ "$answer" = "" ] ; then
	    answer=$default
	fi
    done
}


TARGET_LIST="lx164 sx164 dp264"    

CFDIR=`dirname $0`
CFDIR=`cd $CFDIR ; pwd`

if [ -x $CFDIR/sdkshell.conf ] ; then
    echo Using existing configuration in $CFDIR/sdkshell.conf as default
    . $CFDIR/sdkshell.conf
fi


echo "        ======== EBSDK build configuration ========"
echo ""

if [ "$EB_BASE" = "" ] ; then
    EB_BASE=$CFDIR/ebfw
fi
get_param "Location of build directory" $EB_BASE
EB_BASE=$answer

if [ "$EB_TOOLBOX" = "" ] ; then
    EB_TOOLBOX=$CFDIR/ebtools/unix
fi
get_param "Location of build tools directory" $EB_TOOLBOX
EB_TOOLBOX=$answer

if [ "$EB_BOOTDIR" = "" ] ; then
    EB_BOOTDIR=$CFDIR/ebboot
fi
get_param "Location of bootable image directory" $EB_BOOTDIR
EB_BOOTDIR=$answer

if [ ! -e $EB_BOOTDIR ] ; then
    echo $EB_BOOTDIR does not exist
    get_yesno "Create it? " Y
    if [ "$answer" = "Y" -o "$answer" = "y" ] ; then
	mkdir -p $EB_BOOTDIR
    fi
else
    if [ ! -d $EB_BOOTDIR ] ; then
	echo $EB_BOOTDIR exists but is not a directory.
	echo Re-check your configuration and try again.
	exit -1
    fi
fi

EB_TARGETS=""

echo ""
echo Which platforms do you want to build?
for target in $TARGET_LIST ; do
    get_yesno $target Y
    if [ "$answer" = "Y" -o "$answer" = "y" ] ; then
	if [ "$EB_TARGETS" = "" ] ; then
	    EB_TARGETS=$target
	else
	    EB_TARGETS="$EB_TARGETS $target"
	fi
    fi
done

echo EB_BASE=$EB_BASE > $CFDIR/sdkmake.conf
echo EB_TOOLBOX=$EB_TOOLBOX >> $CFDIR/sdkmake.conf
echo EB_BOOTDIR=$EB_BOOTDIR >> $CFDIR/sdkmake.conf
echo EB_TARGETS=$EB_TARGETS >> $CFDIR/sdkmake.conf
echo EB_MAKE=$EB_TOOLBOX/gnumake >> $CFDIR/sdkmake.conf

echo EB_BASE=$EB_BASE > $CFDIR/sdkshell.conf
echo EB_TOOLBOX=$EB_TOOLBOX >> $CFDIR/sdkshell.conf
echo EB_BOOTDIR=$EB_BOOTDIR >> $CFDIR/sdkshell.conf
echo EB_TARGETS=\"$EB_TARGETS\" >> $CFDIR/sdkshell.conf
echo EB_MAKE=$EB_TOOLBOX/gnumake >> $CFDIR/sdkshell.conf
echo export EB_BASE EB_TOOLBOX EB_BOOTDIR EB_TARGETS EB_MAKE >> $CFDIR/sdkshell.conf

chmod +x $CFDIR/sdkshell.conf