#!/bin/bash

# Exit on errors - Debian policy 10.4
set -e

case "$1" in

  configure)
    # (Re-)Start IBus

    # if don't have sudo and ps then don't attempt to restart ibus
    if which sudo > /dev/null && which ps > /dev/null; then

      # check for gnome-shell as it works differently
      ! gspid=$(ps -C gnome-shell -o pid=|head -n 1)
      if [ "$gspid" != "" ]; then
        # gnome-shell has multiple ibus-daemon processes and needs exit instead of restart
        is_gnome_shell=1
      else
        is_gnome_shell=0
      fi

      # Restart IBus if it is running
      ! ibuspid=$(ps -C ibus-daemon -o pid=|head -n 1)

      if [ "$ibuspid" != "" ]; then
        if [ "$is_gnome_shell" = "1" ]; then
          ibususers=$(ps -C ibus-daemon -o user=|grep -v gdm|uniq)
          for ibususer in $ibususers; do
            sudo -H -u "$ibususer" ibus exit || true
            sleep 1s
          done
        else
          ibususers=$(ps -C ibus-daemon -o user=|uniq)
          for ibususer in $ibususers; do
            sudo -H -u "$ibususer" ibus restart || true
            sleep 1s
          done
        fi
      fi

      # Verify that it's running now
      if [ -n "$SUDO_USER" ] && id "$SUDO_USER" > /dev/null 2>/dev/null; then
        ! ibusdaemon=$(ps --user "$SUDO_USER" -o s= -o cmd | grep --regexp="^[^ZT] \(/usr/bin/\)\?ibus-daemon .*--xim.*")
        if [ "$ibusdaemon" = "" ]; then
          # otherwise try to start it for the user installing the package
          if [ "$is_gnome_shell" = "1" ]; then
            for session in $(loginctl show-user "${SUDO_USER}" -p Sessions --value); do
              case $(loginctl show-session "${session}" -p Type --value) in
                wayland) sudo -H -u "${SUDO_USER}" -i WAYLAND_DISPLAY=wayland-0 -- /usr/bin/ibus-daemon -d -r --xim --panel disable;;
                x11) sudo -H -u "${SUDO_USER}" -- /usr/bin/ibus-daemon -d -r --xim --panel disable;;
                *) ;;
              esac
            done
          else
            sudo -H -u "${SUDO_USER}" -- /usr/bin/ibus-daemon -d -r --xim
          fi
        fi
      fi
    fi
  ;;

  abort-upgrade|abort-remove|abort-deconfigure)
    exit 0
  ;;

  *)
    echo "postinst called with unknown argument \`$1'" >&2
    exit 1
  ;;

esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0