#!/bin/sh
set -e

# Tag to allow some debhelper commands to inject relevant code
# Automatically added by dh_icons/13.11.4
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if command -v update-icon-caches >/dev/null; then
		update-icon-caches /usr/share/icons/desktop-base
	fi
fi
# End automatically added section


if [ "${1}" = "configure" ] && [ ! -z "${2}" ]; then
    if dpkg --compare-versions ${2} le "9.0.0~exp1"; then
        # Try remove folder if empty, left after 9.0.0~exp1 conf suppression
        # by debhelper conffile handling
        OLD_KDM_DIR=/etc/default/kdm.d
        if [ -d ${OLD_KDM_DIR} ] ; then
            echo "Removing old KDM configuration directory \"${OLD_KDM_DIR}\""
            rmdir ${OLD_KDM_DIR} || true
        fi
    fi
fi

if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-remove" ]; then
    # Vendor logo alternative
    update-alternatives --install \
            /usr/share/images/vendor-logos \
            vendor-logos \
            /usr/share/desktop-base/debian-logos 50 \
            --slave /usr/share/icons/vendor/64x64/emblems/emblem-vendor.png \
                emblem-vendor-64 \
                /usr/share/icons/desktop-base/64x64/emblems/emblem-debian.png \
            --slave /usr/share/icons/vendor/128x128/emblems/emblem-vendor.png \
                emblem-vendor-128 \
                /usr/share/icons/desktop-base/128x128/emblems/emblem-debian.png \
            --slave /usr/share/icons/vendor/256x256/emblems/emblem-vendor.png \
                emblem-vendor-256 \
                /usr/share/icons/desktop-base/256x256/emblems/emblem-debian.png \
            --slave /usr/share/icons/vendor/scalable/emblems/emblem-vendor.svg \
                emblem-vendor-scalable \
                /usr/share/icons/desktop-base/scalable/emblems/emblem-debian.svg \
            --slave /usr/share/icons/vendor/64x64/emblems/emblem-vendor-symbolic.png \
                emblem-vendor-symbolic-64 \
                /usr/share/icons/desktop-base/64x64/emblems/emblem-debian-symbolic.png \
            --slave /usr/share/icons/vendor/128x128/emblems/emblem-vendor-symbolic.png \
                emblem-vendor-symbolic-128 \
                /usr/share/icons/desktop-base/128x128/emblems/emblem-debian-symbolic.png \
            --slave /usr/share/icons/vendor/256x256/emblems/emblem-vendor-symbolic.png \
                emblem-vendor-symbolic-256 \
                /usr/share/icons/desktop-base/256x256/emblems/emblem-debian-symbolic.png \
            --slave /usr/share/icons/vendor/scalable/emblems/emblem-vendor-symbolic.svg \
                emblem-vendor-symbolic-scalable \
                /usr/share/icons/desktop-base/scalable/emblems/emblem-debian-symbolic.svg \
            --slave /usr/share/icons/vendor/64x64/emblems/emblem-vendor-white.png \
                emblem-vendor-white-64 \
                /usr/share/icons/desktop-base/64x64/emblems/emblem-debian-white.png \
            --slave /usr/share/icons/vendor/128x128/emblems/emblem-vendor-white.png \
                emblem-vendor-white-128 \
                /usr/share/icons/desktop-base/128x128/emblems/emblem-debian-white.png \
            --slave /usr/share/icons/vendor/256x256/emblems/emblem-vendor-white.png \
                emblem-vendor-white-256 \
                /usr/share/icons/desktop-base/256x256/emblems/emblem-debian-white.png \
            --slave /usr/share/icons/vendor/scalable/emblems/emblem-vendor-white.svg \
                emblem-vendor-white-scalable \
                /usr/share/icons/desktop-base/scalable/emblems/emblem-debian-white.svg

    # Theme package alternatives
    while read theme priority; do
        update-alternatives --install \
            /usr/share/desktop-base/active-theme \
            desktop-theme \
            /usr/share/desktop-base/$theme-theme $priority
    done << EOF
emerald 50
homeworld 40
futureprototype 40
moonlight 40
softwaves 40
lines 40
joy 40
joy-inksplat 40
spacefun 40
EOF

    # Use active theme as highest priority for background
    active_background=/usr/share/desktop-base/active-theme/wallpaper/contents/images/1920x1080.svg
    if [ -e ${active_background} ]; then
        update-alternatives --install \
            /usr/share/images/desktop-base/desktop-background \
            desktop-background ${active_background} 70
    fi
    # Alternatives for the background in theme packages
    while read theme filename priority; do
        update-alternatives --install \
            /usr/share/images/desktop-base/desktop-background \
            desktop-background \
            /usr/share/desktop-base/$theme-theme/wallpaper/contents/images/$filename $priority
    done << EOF
emerald 1920x1080.svg 65
homeworld 1920x1080.svg 50
futureprototype 1920x1080.svg 50
moonlight 1920x1080.svg 50
softwaves 1024x768.svg 50
softwaves 1280x720.svg 50
softwaves 1280x800.svg 50
softwaves 1280x1024.svg 50
softwaves 1600x1200.svg 50
softwaves 1920x1080.svg 50
softwaves 1920x1200.svg 50
softwaves 2560x1440.svg 50
softwaves 2560x1600.svg 50
lines 1280x1024.svg 50
lines 1600x1200.svg 50
lines 1920x1080.svg 50
lines 1920x1200.svg 50
lines 2560x1080.svg 50
joy 1280x720.svg 50
joy 1280x1024.svg 50
joy 1600x1200.svg 50
joy 1920x1080.svg 50
joy 1920x1200.svg 50
joy-inksplat 1280x720.svg 50
joy-inksplat 1280x1024.svg 50
joy-inksplat 1600x1200.svg 50
joy-inksplat 1920x1080.svg 50
joy-inksplat 1920x1200.svg 50
spacefun 1280x720.svg 50
spacefun 1280x1024.svg 50
spacefun 1920x1080.svg 50
spacefun 1920x1200.svg 50
EOF

    # Set up an alternative for the XML version of the background
    # (for GNOME)
    # Highest priority for active theme
    active_background_xml=/usr/share/desktop-base/active-theme/wallpaper/gnome-background.xml
    if [ -e ${active_background_xml} ]; then
        update-alternatives --install \
            /usr/share/images/desktop-base/desktop-background.xml \
            desktop-background.xml ${active_background_xml} 50
    fi
    # Alternatives for theme packages
    while read theme priority; do
        update-alternatives --install \
            /usr/share/images/desktop-base/desktop-background.xml \
            desktop-background.xml \
            /usr/share/desktop-base/$theme-theme/wallpaper/gnome-background.xml $priority
    done << EOF
emerald 40
homeworld 30
futureprototype 30
moonlight 30
softwaves 30
lines 30
joy 30
joy-inksplat 30
spacefun 30
EOF

    # Set up an alternative for the XML version of the lock screen
    # (for GNOME)
    # Highest priority for active theme
    active_lockscreen=/usr/share/desktop-base/active-theme/lockscreen/gnome-background.xml
    if [ -e ${active_lockscreen} ]; then
        update-alternatives --install \
            /usr/share/images/desktop-base/desktop-lockscreen.xml \
            desktop-lockscreen.xml ${active_lockscreen} 50
    fi
    # Alternatives for theme packages
    while read theme priority; do
        update-alternatives --install \
            /usr/share/images/desktop-base/desktop-lockscreen.xml \
            desktop-lockscreen.xml \
            /usr/share/desktop-base/$theme-theme/lockscreen/gnome-background.xml $priority
    done << EOF
emerald 40
homeworld 30
futureprototype 30
moonlight 30
softwaves 30
lines 30
joy 30
spacefun 30
EOF

    # Set up an alternative for the wallpaper for Plasma 5/KDE
    # Highest priority for active theme
    active_plasma_wallpaper=/usr/share/desktop-base/active-theme/wallpaper
    if [ -e ${active_plasma_wallpaper} ]; then
        update-alternatives --install \
            /usr/share/wallpapers/DebianTheme \
            desktop-plasma5-wallpaper ${active_plasma_wallpaper} 50
    fi
    # Alternatives for theme packages
    while read theme priority; do
        update-alternatives --install \
            /usr/share/wallpapers/DebianTheme \
            desktop-plasma5-wallpaper \
            /usr/share/desktop-base/$theme-theme/wallpaper $priority
    done << EOF
emerald 40
homeworld 30
futureprototype 30
moonlight 30
softwaves 30
lines 30
joy 30
joy-inksplat 30
spacefun 30
EOF

    # Login theme
    # Highest priority for active theme
    active_login_background=/usr/share/desktop-base/active-theme/login/background.svg
    if [ -e ${active_login_background} ]; then
        update-alternatives --install /usr/share/images/desktop-base/login-background.svg \
            desktop-login-background ${active_login_background} 50
    fi
    # Alternatives for theme packages
    while read theme background priority; do
        update-alternatives --install /usr/share/images/desktop-base/login-background.svg \
            desktop-login-background \
            /usr/share/desktop-base/$theme-theme/login/$background $priority
    done << EOF
emerald background.svg 40
homeworld background.svg 30
futureprototype background.svg 30
moonlight background.svg 30
softwaves background.svg 30
lines background.svg 30
lines background-nologo.svg 30
joy background.svg 30
spacefun background.svg 30
EOF

    # Set up an alternative for the GRUB background/colors config
    # Highest priority for active theme
    # Favor widescreen / hi-res background for efi installations detected
    # by the presence of grub-efi* packages (not the grub-efi*-bin which don’t
    # necessary account for grub being the active bootloader).
    if dpkg-query --list grub-efi* | grep -v "^... grub-efi[^[:space:]]*-bin" | grep -q "^[ih][HUFWti] " ; then
        echo "grub-efi* packages found, using 16/9 as default grub background ratio"
        grub_first_ratio="16x9"
        grub_second_ratio="4x3"
    else
        echo "No grub-efi* package found, using 4/3 as default grub background ratio"
        grub_first_ratio="4x3"
        grub_second_ratio="16x9"
    fi
    active_grub_background=/usr/share/desktop-base/active-theme/grub/grub_background.sh
    active_grub_first_ratio=/usr/share/desktop-base/active-theme/grub/grub-${grub_first_ratio}.png
    if [ -e ${active_grub_first_ratio} ] && [ -e ${active_grub_background} ]; then
        update-alternatives --install \
            /usr/share/images/desktop-base/desktop-grub.png \
            desktop-grub ${active_grub_first_ratio} 50 \
            --slave /usr/share/desktop-base/grub_background.sh \
            desktop-grub.sh ${active_grub_background}
    fi
    active_grub_second_ratio=/usr/share/desktop-base/active-theme/grub/grub-${grub_second_ratio}.png
    if [ -e ${active_grub_second_ratio} ] && [ -e ${active_grub_background} ]; then
        update-alternatives --install \
            /usr/share/images/desktop-base/desktop-grub.png \
            desktop-grub ${active_grub_second_ratio} 45 \
            --slave /usr/share/desktop-base/grub_background.sh \
            desktop-grub.sh ${active_grub_background}
    fi
    # Alternatives for theme packages
    while read theme ratio priority; do
        update-alternatives --install /usr/share/images/desktop-base/desktop-grub.png \
            desktop-grub \
            /usr/share/desktop-base/$theme-theme/grub/grub-$ratio.png $priority \
            --slave /usr/share/desktop-base/grub_background.sh \
            desktop-grub.sh \
            /usr/share/desktop-base/$theme-theme/grub/grub_background.sh
    done << EOF
emerald 4x3 40
emerald 16x9 40
homeworld 4x3 30 
homeworld 16x9 30
futureprototype 4x3 30
futureprototype 16x9 30
moonlight 4x3 30
moonlight 16x9 30
softwaves 4x3 30
softwaves 16x9 30
lines 4x3 30
lines 16x9 30
joy 4x3 30
joy 16x9 30
spacefun 4x3 30
spacefun 16x9 30
EOF

    # Apply GRUB background update into /boot
    # Try detecting active grub packages (so not -doc, -common, -bin) as a hint
    # that GRUB is being used as bootloader before calling update-grub.
    # Some people use the *-bin packages without using GRUB as bootloader
    # (see #851893 for more context).
    if dpkg-query --list "grub-*" | grep -v "^... grub\(-common\|-emu\|[^[:space:]]*\(-bin\|-doc\)\)" | grep -q "^[ih][HUFWti] " \
            && which update-grub > /dev/null ; then
        # Ensure the background image file has actually been written to disc
        # before updating.
        sync
        # Report success whatever grub return status. This is needed at least
        # in live systems fon installation to succeed (see #850601).
        # Until we find a better solution like detecting we’re in a live image
        # and not calling update-grub at all.
        update-grub || echo "Updating grub failed, report success anyway!"
    fi

    if which update-initramfs > /dev/null; then
        update-initramfs -u
    fi

fi