#!/bin/bash
# Put the classroom desktop onto a machine, from the repository, at the
# paths the package will use. Run as root inside the lab.
#
# Every destination here is a normal system path that Plasma already reads.
# There is no classroom daemon in this list, and nothing is generated: the
# desktop is a set of files.
set -euo pipefail

SRC="${1:-/srv/classroom}"

# A directory of the classroom's own, ahead of /etc/xdg in
# XDG_CONFIG_DIRS. plasma-workspace owns files by these names in /etc/xdg
# and two packages cannot own one path.
for setting in kdeglobals kwinrc kwinrulesrc kscreenlockerrc ksmserverrc \
        krunnerrc plasmanotifyrc; do
    install -Dm644 "$SRC/config/plasma/xdg/$setting" \
        "/etc/ekklesia-classroom/xdg/$setting"
    rm -f "/etc/xdg/$setting.ekklesia-old"
done

install -Dm644 "$SRC/config/environment/90-ekklesia-classroom.conf" \
    /etc/environment.d/90-ekklesia-classroom.conf

install -Dm644 "$SRC/config/plasma/colors/EkklesiaDark.colors" \
    /usr/share/color-schemes/EkklesiaDark.colors
install -Dm644 "$SRC/config/plasma/colors/EkklesiaLight.colors" \
    /usr/share/color-schemes/EkklesiaLight.colors

LNF=/usr/share/plasma/look-and-feel/org.ekklesia.classroom.desktop
rm -rf "$LNF"
install -Dm644 "$SRC/config/plasma/lookandfeel/metadata.json" "$LNF/metadata.json"
install -Dm644 "$SRC/config/plasma/lookandfeel/contents/defaults" \
    "$LNF/contents/defaults"
install -Dm644 \
    "$SRC/config/plasma/lookandfeel/contents/layouts/org.kde.plasma.desktop-layout.js" \
    "$LNF/contents/layouts/org.kde.plasma.desktop-layout.js"

for entry in "$SRC"/config/plasma/applications/*.desktop; do
    install -Dm644 "$entry" "/usr/share/applications/$(basename "$entry")"
done

# Entries that deliberately shadow a vendor one. XDG_DATA_DIRS searches
# /usr/local/share before /usr/share, so these win without touching, and
# without being overwritten by, the package that provides the original.
for entry in "$SRC"/config/plasma/applications-local/*.desktop; do
    install -Dm644 "$entry" "/usr/local/share/applications/$(basename "$entry")"
done

install -Dm644 "$SRC/config/plasma/solid/ekklesia-dvd.desktop" \
    /usr/share/solid/actions/ekklesia-dvd.desktop

for icon in "$SRC"/config/icons/ekklesia-*.svg; do
    [ -e "$icon" ] || continue
    install -Dm644 "$icon" \
        "/usr/share/icons/hicolor/scalable/apps/$(basename "$icon")"
done

install -Dm644 "$SRC/config/wallpapers/classroom-calm.png" \
    /usr/share/backgrounds/ekklesia/classroom-calm.png

install -Dm644 "$SRC/systemd/user/plasma-plasmashell.service.d/ekklesia-classroom.conf" \
    /etc/systemd/user/plasma-plasmashell.service.d/ekklesia-classroom.conf

for script in classroom-browser classroom-wonderink; do
    [ -e "$SRC/scripts/$script" ] || continue
    install -Dm755 "$SRC/scripts/$script" "/usr/local/bin/$script"
done

command -v gtk-update-icon-cache >/dev/null 2>&1 \
    && gtk-update-icon-cache -qtf /usr/share/icons/hicolor || true
command -v update-desktop-database >/dev/null 2>&1 \
    && update-desktop-database -q /usr/share/applications || true

echo "classroom desktop installed"