#!/bin/sh
set -e

if [ "$1" = "remove" ] || [ "$1" = "deconfigure" ]; then
    # Remove vendor logos alternative, all slaves get removed automatically
    update-alternatives --remove \
            vendor-logos \
            /usr/share/desktop-base/kali-logos

    # Remove background alternatives for theme packages
    while read theme filename; do
        update-alternatives --remove \
            desktop-background \
            /usr/share/desktop-base/$theme-theme/wallpaper/contents/images/$filename $priority
    done << EOF
kali 1024x768.svg
kali 1280x720.svg
kali 1280x800.svg
kali 1280x1024.svg
kali 1600x1200.svg
kali 1920x1080.svg
kali 1920x1200.svg
kali 2560x1440.svg
kali 2560x1600.svg
kali 3840x2160.svg
EOF

    # Remove desktop-background.xml alternatives
    # For theme packages
    while read theme; do
        update-alternatives --remove \
            desktop-background.xml \
            /usr/share/desktop-base/$theme-theme/wallpaper/gnome-background.xml $priority
    done << EOF
kali
EOF

    # Remove desktop-lockscreen.xml alternatives
    # For theme packages
    while read theme; do
        update-alternatives --remove \
            desktop-lockscreen.xml \
            /usr/share/desktop-base/$theme-theme/lockscreen/gnome-background.xml $priority
    done << EOF
kali
EOF

    # Remove Plasma 5/KDE wallpaper alternatives
    # For theme packages
    while read theme; do
        update-alternatives --remove \
            desktop-plasma5-wallpaper \
            /usr/share/desktop-base/$theme-theme/wallpaper
    done << EOF
kali
EOF

    # Remove login theme alternatives
    # For theme packages
    # Alternative for theme packages
    while read theme background; do
        update-alternatives --remove \
            desktop-login-background \
            /usr/share/desktop-base/$theme-theme/login/$background
    done << EOF
kali background.svg
EOF

    # Remove GRUB alternatives
    # Remove alternative for the GRUB background/colors config
    while read theme priority; do
        update-alternatives --remove \
            desktop-grub.sh \
            /usr/share/desktop-base/$theme-theme/grub/grub_background.sh
    done << EOF
kali
EOF
    # Remove background alternatives
    while read theme ratio; do
        update-alternatives --remove \
            desktop-grub.sh \
            /usr/share/desktop-base/$theme-theme/grub/grub_background.sh
        update-alternatives --remove \
            desktop-grub \
            /usr/share/desktop-base/$theme-theme/grub/grub-$ratio.png
    done << EOF
kali 4x3
kali 16x9
EOF

    # Remove theme package alternatives
    while read theme; do
        update-alternatives --remove \
            desktop-theme \
            /usr/share/desktop-base/$theme-theme
    done << EOF
kali
EOF

fi

# Tag to allow some debhelper commands to inject relevant code
#DEBHELPER#