#!/bin/ash

# This script launches the real vmchooser (vmchooser.real)
# It's here to pass the XML URL, coming from
# /opt/openslx/config, as well as the pool filter (if any)

. /opt/openslx/config
unset MEM URL ERRMSG EXTRA TAB HW_MBRAM HW_ID44

if [ -n "$SLX_VMCHOOSER_BASE_URL" ]; then
	URL="$SLX_VMCHOOSER_BASE_URL"
elif [ -n "$SLX_PXE_SERVER_IP" ]; then
	URL="http://$SLX_PXE_SERVER_IP/vmchooser/"
else
	slxlog "virt-vmchooser" "vmchooser: Could not determine URL to fetch VM list from! (need SLX_VMCHOOSER_BASE_URL)"
	ERRMSG="Keine URL zum Abrufen der verfügbaren Veranstaltungen definiert. Versuchen Sie, den Computer neu zu starten und wenden Sie sich an den Support, wenn das Problem weiterhin besteht."
	/opt/openslx/cups/printergui --error "$ERRMSG" || notify-send "Fehler" "$ERRMSG"
fi

. "/run/hwinfo"
if [ -z "$HW_MBRAM" ]; then
	MEM=$(grep -m1 '^MemTotal:' /proc/meminfo | awk '{print $2}')
	HW_MBRAM=$(( MEM / 1024 ))
fi
# No/small ID44 = penalty to available ram
if [ -n "$HW_ID44" ] && ! [ "$HW_ID44" -gt 9000 ]; then # Use negation so NaN -> TRUE
	HW_MBRAM=$(( ( HW_MBRAM * 3 ) / 4 ))
fi

if [ -n "$SLX_VMCHOOSER_TAB" ] && [ "$SLX_VMCHOOSER_TAB" -ge 0 -a "$SLX_VMCHOOSER_TAB" -le 2 ] 2>/dev/null; then
	TAB="$SLX_VMCHOOSER_TAB"
elif [ "$HW_MBRAM" -lt 3000 ]; then # Check RAM size; if it's not that much, default to the native linux sessions
	TAB=0
else
	TAB=2
fi

[ -n "$SLX_VMCHOOSER_TEMPLATES" ] && EXTRA="$EXTRA --template-mode $SLX_VMCHOOSER_TEMPLATES"
[ -n "$SLX_VMCHOOSER_FORLOCATION" ] && EXTRA="$EXTRA --location-mode $SLX_VMCHOOSER_FORLOCATION"
[ "$HW_KVM" != "ENABLED" ] && EXTRA="$EXTRA --no-vtx"

# No quotes around $EXTRA!
if [ -z "$SLX_LOCATIONS" ]; then
	exec vmchooser.real "$@" --url "$URL" --fullscreen --tab "$TAB" $EXTRA
fi

# No quotes around $EXTRA!
exec vmchooser.real "$@" --url "$URL" --fullscreen --tab "$TAB" --locations "$SLX_LOCATIONS" $EXTRA