#!/usr/bin/env bash
# to be sourced
ENABLED=no
[ "$ENABLED" != "yes" ] && exit 0

. /usr/lib/ublinux/os-config

SOURCE=${SYSCONF}/config; [ -f "${SOURCE}" ] && . ${SOURCE} 2>/dev/null
SOURCE=${SYSCONF}/theme; [ -f "${SOURCE}" ] && . ${SOURCE} 2>/dev/null

FEHOPTIONS="-B black -x -Z --scale-down"
WPDEFFILE=/usr/share/ublinux/wallpapers/default.jpg
FEHKILLSWITCH="while ! ps -A | egrep -q 'splash|panel|xbindkeys|lightdm-gtk-gr|polybar' ;do sleep 1 ;done ; sleep 7 ; killall feh"
[ "$BACKGROUNDMODE" = "2" ] && FEHOPTIONS="-F --zoom fill"

# get resolution of primary (or first) monitor
XORG_RES=$(LC_ALL=C /usr/bin/xrandr | awk -F" connected primary " '{print $2}' | sed s/+.*// | grep -m1 .)
[ -z "$XORG_RES" ] && XORG_RES=$(LC_ALL=C /usr/bin/xrandr | awk -F" connected " '{print $2}' | sed s/+.*// | grep -m1 .)
[ -z "$XORG_RES" ] && XORG_RES=1920x1080

# show wallpaper
[ -x /usr/bin/feh ] && /usr/bin/feh $FEHOPTIONS -g "$XORG_RES" $(dirname $WPDEFFILE)/default.orig.jpg &
# killswitch for feh
[ -x /usr/bin/feh ] && bash -c "$FEHKILLSWITCH" &

if [ -x /usr/bin/convert ] ;then
  # resizing wallpaper for monitor resolution (default is proportional on black background)
  RESIZEOPT="-resize $XORG_RES -background black -gravity center -extent $XORG_RES"
  [ "$BACKGROUNDMODE" = "1" ] && RESIZEOPT="-resize $XORG_RES!"
  [ "$BACKGROUNDMODE" = "2" ] && RESIZEOPT="-resize $XORG_RES^ -gravity center -extent $XORG_RES"
  convert $RESIZEOPT $(dirname $WPDEFFILE)/default.orig.jpg /tmp/background.jpg
  # Graffiti effects
  if [ "$GRAFFITI" = "yes" ] ;then
     [ "$(cmdline_value changes)$(cmdline_value ub.changes)" ] && LABEL=ublinux.png || LABEL=clean.png
     convert -resize x$(expr $(echo $XORG_RES | awk -Fx '{ print $2 }') / 10) /usr/share/ublinux/graffiti/$LABEL /tmp/logo.png
     composite -gravity SouthWest  /tmp/logo.png /tmp/background.jpg /tmp/background2.jpg
     mv -f /tmp/background2.jpg /tmp/background.jpg
     rm -f /tmp/logo.png
  fi
  # placing warning about default passwords
  if [ "$GRAFFITI" != "no" -a -x /usr/bin/composite ] ;then
     . /usr/lib/ublinux/os-config
     A=0
     grep -q "^root:$DEFAULTROOTPASSWD:" /etc/shadow && A=1
     grep -q "^user:$DEFAULTPASSWD:" /etc/shadow && A=1
     [ "$A" = "1" ] && composite -gravity NorthWest /usr/share/ublinux/graffiti/warning.png /tmp/background.jpg /tmp/background2.jpg
     [ -f /tmp/background2.jpg  ] && mv -f /tmp/background2.jpg /tmp/background.jpg
  fi
  # replacing default wallpaper
  [ -f /tmp/background.jpg  ] && mv -f /tmp/background.jpg "$WPDEFFILE"
  [ -d /usr/share/apps/ksplash ] && mkdir -p "/usr/share/apps/ksplash/Themes/Default/$XORG_RES"
  [ -d /usr/share/apps/ksplash ] && convert "$WPDEFFILE" "/usr/share/apps/ksplash/Themes/Default/$XORG_RES/background.png"
fi

exit 0