#!/bin/sh

set -eu

command=$1
shift

signal_links='
  /opt/Signal
  /usr/share/applications/signal-desktop.desktop
  /usr/share/icons/hicolor/16x16/apps/signal-desktop.png
  /usr/share/icons/hicolor/24x24/apps/signal-desktop.png
  /usr/share/icons/hicolor/32x32/apps/signal-desktop.png
  /usr/share/icons/hicolor/48x48/apps/signal-desktop.png
  /usr/share/icons/hicolor/64x64/apps/signal-desktop.png
  /usr/share/icons/hicolor/128x128/apps/signal-desktop.png
  /usr/share/icons/hicolor/256x256/apps/signal-desktop.png
  /usr/share/icons/hicolor/512x512/apps/signal-desktop.png
  /usr/share/icons/hicolor/1024x1024/apps/signal-desktop.png
'


case "$command" in
  configure)
    upstream_dir=$1

    for f in $signal_links; do
      mkdir -p "$(dirname "$f")"
      ln -fns -T "${upstream_dir}/${f}" "$f"
    done
    ;;
  unconfigure)
    rm -f $signal_links
    ;;
  unpack)
    upstream_pack=$1
    upstream_dir=$2

    dpkg -x "$upstream_pack" "$upstream_dir"
    ;;
  *)
    ;;
esac
