#!/bin/bash

## CONSTANTS
## ---------

GIT_BASE_URL="https://git.artcode.re/pvincent/debian-gnome"

## FUNCTIONS
## ---------

function trap_error() {
    error_code=$1
    error_line=$2

    printf "\nEXIT #${error_code} due to error at line ${error_line} : \n-----------------------------------------\n"
    sed "${error_line}q;d" $0
    echo
    exit $error_code
}

function runVoid() {
    trap - ERR
    local COMMAND="$@"
    bash -c "${COMMAND}" >/dev/null 2>&1
    runVoidError=$?
    trap 'trap_error $? $LINENO' ERR
}

function askConfirmation() {
    case "$1" in
    y | Y | yes | YES)
        QUESTION="(Y/n)?"
        DEFAULT=0
        ;;
    *)
        QUESTION="(y/N)?"
        DEFAULT=1
        ;;
    esac
    read -p "$QUESTION : " choice
    case "$choice" in
    y | Y | yes | YES) return 0 ;; #true
    n | no | N | NO) return 1 ;;   #false
    *) return $DEFAULT ;;
    esac
}

# Variables and constants
## ---------

BASEDIR=$(readlink -f "$(dirname "$0")/..")
ALLOWED_USERS=$(id -un) #CUSTOMIZE if needed!
REQUIRED_PACKAGES=(
    bash-completion
    vim git wget curl
    htop jq unzip
    python3-pip
    gir1.2-gtop-2.0 gir1.2-nm-1.0 gir1.2-clutter-1.0 gnome-system-monitor
    tilix wl-clipboard
    cups hplip
    ttf-mscorefonts-installer
    nautilus-share nautilus-image-converter
    goldendict
)

## MAIN
## ---------

[ "$(id -u)" -eq 0 ] && echo 'normal user required' && exit 1

echo "# configure apt sources to the mithril's"
echo "========================================"
if grep cdrom /etc/apt/sources.list; then
    echo "deb http://debian.mithril.re/debian bookworm main contrib non-free-firmware" | sudo tee /etc/apt/sources.list
    echo "deb http://debian.mithril.re/debian bookworm-updates main contrib non-free-firmware" | sudo tee -a /etc/apt/sources.list
    echo "deb http://debian.mithril.re/debian-security bookworm-security main contrib non-free-firmware" | sudo tee -a /etc/apt/sources.list
    sudo apt update
    sudo apt autoremove -y
else
    echo "# updating repositories"
    echo "==================="
    if [[ $(date --date='-12 hours' +%s) -gt $(date -d "$(stat -c %y /var/lib/apt/lists/partial)" +%s) ]]; then
        sudo apt update
        sudo apt autoremove -y
    else
        echo "repositories recently updated!"
    fi
fi

echo "# required packages"
echo "==================="
sudo apt-add-repository contrib non-free -y
for package in ${REQUIRED_PACKAGES[@]}; do
    runVoid dpkg-query --status $package
    if [ $runVoidError -ne 0 ]; then
        echo -n "installing package <$package> ... "
        sudo DEBIAN_FRONTEND=noninteractive apt install -y $package
        echo "DONE"
    fi
done

echo "# fix input sources containing french variants"
echo "=============================================="
if gsettings get org.gnome.desktop.input-sources sources | grep fr+; then
    gsettings set org.gnome.desktop.input-sources sources "[('xkb', 'fr')]"
    echo no more french variant found, fixed
else
    echo no french variant found, ok!
fi

echo "## miaou-bash"
echo "=============="
if [[ ! -d /opt/miaou-bash ]]; then
    curl https://git.artcode.re/miaou/miaou-bash/raw/branch/main/install.sh | sudo bash -s
else
    echo "miaou-bash already installed!"
    /opt/miaou-bash/tools/upgrade-miaou-bash
fi

echo "## openssh-server"
echo "================="
PGKNAME='openssh-server'
runVoid dpkg-query --status $PGKNAME
if [ $runVoidError -ne 0 ]; then
    set -e
    sudo apt install -y $PGKNAME
    sudo /opt/miaou-bash/tools/append_or_replace "^#\?PermitRootLogin.*$" "PermitRootLogin no" /etc/ssh/sshd_config
    sudo /opt/miaou-bash/tools/append_or_replace "^#\?PasswordAuthentication.*$" "PasswordAuthentication no" /etc/ssh/sshd_config
    sudo /opt/miaou-bash/tools/append_or_replace "^#\?AllowUsers.*$" "AllowUsers $ALLOWED_USERS" /etc/ssh/sshd_config
    sudo systemctl restart sshd
    set +e
else
    echo "${PGKNAME} already installed!"
fi

echo "## grub faster and smarter"
echo "=========================="
if grep -q GRUB_TIMEOUT=5 /etc/default/grub; then
    echo "grub was not modified yet, applying changes..."
    sudo /opt/miaou-bash/tools/append_or_replace "^GRUB_TIMEOUT=5$" "GRUB_TIMEOUT=0" /etc/default/grub
    sudo update-grub
    echo OK
else
    echo changes already done!
fi

echo "## firefox latest"
echo "================="
firefox_lang=$(echo $LANG | cut -d_ -f1)
[[ $firefox_lang == "en" ]] && firefox_lang="en-US"
[[ $firefox_lang == "es" ]] && firefox_lang="en-US"
echo $firefox_lang
if [[ ! /usr/local/bin/firefox -ef /opt/firefox/firefox ]]; then
    set -e
    cd /tmp
    wget $(curl "https://download.mozilla.org/?product=firefox-latest-ssl&os=linux64&lang=$firefox_lang" | cut -d '"' -f2) -O firefox-latest.tar.bz2
    sudo mkdir /opt/firefox -p
    sudo chown $USER /opt/firefox
    tar -xjf firefox-latest.tar.bz2 -C /opt
    cat <<EOF | sudo tee -a /usr/share/applications/firefox.desktop
[Desktop Entry]
Name=Firefox
Comment=Web Browser
Exec=/opt/firefox/firefox %u
Terminal=false
Type=Application
Icon=/opt/firefox/browser/chrome/icons/default/default128.png
Categories=Network;WebBrowser;
MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/vnd.mozilla.xul+xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;
StartupNotify=true
StartupWMClass=Navigator
Actions=new-window;new-private-window;profile-manager;

[Desktop Action new-window]
Name=New Window
Exec=/opt/firefox/firefox --new-window %u

[Desktop Action new-private-window]
Name=New Private Window
Exec=/opt/firefox/firefox --private-window %u

[Desktop Action profile-manager]
Name=Profile Manager
Exec=/opt/firefox/firefox -P %u
EOF
    sudo ln -sf /opt/firefox/firefox /usr/local/bin/firefox
    sudo update-alternatives --install /usr/bin/x-www-browser x-www-browser /opt/firefox/firefox 200 && sudo update-alternatives --set x-www-browser /opt/firefox/firefox
    sudo apt remove -y firefox-esr
    sudo apt install -y libdbus-glib-1-2
    set +e
else
    echo "firefox latest already installed!"
fi

echo "## firefox by default"
echo "====================="
xdg-settings set default-web-browser firefox.desktop

echo "## gnome default settings"
echo "========================="
gsettings set org.gnome.nautilus.preferences click-policy 'single'
gsettings set org.gnome.mutter dynamic-workspaces false
gsettings set org.gnome.desktop.wm.preferences num-workspaces 1
gsettings set org.gnome.desktop.peripherals.touchpad tap-to-click true

echo "## disable automatic lock screen => use Super_L for LOCK"
echo "========================================================"
gsettings set org.gnome.settings-daemon.plugins.power sleep-inactive-ac-type nothing
gsettings set org.gnome.desktop.screensaver lock-enabled false

echo "## favorite apps"
echo "================"
favorite_apps=$(gsettings get org.gnome.shell favorite-apps)
if [[ "$favorite_apps" == "['firefox-esr.desktop', 'org.gnome.Evolution.desktop', 'rhythmbox.desktop', 'libreoffice-writer.desktop', 'org.gnome.Nautilus.desktop', 'org.gnome.Software.desktop', 'yelp.desktop']" ]]; then
    gsettings set org.gnome.shell favorite-apps "['firefox.desktop','org.gnome.Nautilus.desktop','org.gnome.Software.desktop']"
fi

echo "## golden dict"
echo "================"
if [[ ! -d /usr/share/goldendict/dicts ]]; then
    sudo git clone --depth 1 https://git.artcode.re/non-free/dicts.git /usr/share/goldendict/dicts
fi
if [[ ! -f $HOME/.config/goldendict/config ]] || ! grep -q "path.*/usr/share/goldendict/dicts" $HOME/.config/goldendict/config; then
    mkdir -p "$HOME/.config/goldendict/"
    cp "$BASEDIR/lib/goldendict/config" "$HOME/.config/goldendict/"
    nohup goldendict &
fi
mkdir -p $HOME/.config/autostart
if [[ ! -f $HOME/.config/autostart/org.goldendict.GoldenDict.desktop ]]; then
    echo -n "autostart GoldenDict ..."
    ln -sf /usr/share/applications/org.goldendict.GoldenDict.desktop $HOME/.config/autostart/
    echo OK
else
    echo "autostart GoldenDict already installed!"
fi

echo "## gnome-extensions-cli"
echo "======================="
if [[ ! -f ~/.local/bin/gext ]]; then
    pip install gnome-extensions-cli --break-system-packages
else
    echo "gnome-extensions-cli already installed!"
fi

echo "## gnome-shell install several extensions"
echo "========================================="
EXTENSIONS=(
    "appindicatorsupport@rgcjonas.gmail.com"
    "system-monitor-next@paradoxxx.zero.gmail.com"
    "dash-to-dock@micxgx.gmail.com"
    "gsconnect@andyholmes.github.io"
    "network-stats@gnome.noroadsleft.xyz"
    "bluetooth-quick-connect@bjarosze.gmail.com"

)

compile_schemas_needed=false
for extension in "${EXTENSIONS[@]}"; do
    if [[ ! -d $HOME/.local/share/gnome-shell/extensions/$extension ]]; then
        "$HOME/.local/bin/gext" install "$extension"
        sudo cp "$HOME"/.local/share/gnome-shell/extensions/"$extension"/schemas/*.gschema.xml /usr/share/glib-2.0/schemas/
        compile_schemas_needed=true

    else
        echo "extension <${extension}> already installed!"
    fi
done
if "$compile_schemas_needed"; then
    sudo glib-compile-schemas /usr/share/glib-2.0/schemas/
fi

echo "# gnome extra settings"
echo "======================"
gsettings set org.gnome.shell.extensions.system-monitor show-tooltip true
gsettings set org.gnome.shell.extensions.system-monitor cpu-show-text false
gsettings set org.gnome.shell.extensions.system-monitor cpu-graph-width 60
gsettings set org.gnome.shell.extensions.system-monitor memory-display false
gsettings set org.gnome.shell.extensions.system-monitor net-display false
gsettings set org.gnome.shell.extensions.system-monitor net-show-text false
gsettings set org.gnome.shell.extensions.system-monitor net-graph-width 40
gsettings set org.gnome.shell.extensions.system-monitor disk-display false
gsettings set org.gnome.shell.extensions.system-monitor icon-display false

gsettings set org.gnome.shell.extensions.dash-to-dock apply-custom-theme true
gsettings set org.gnome.shell.extensions.dash-to-dock multi-monitor true

gsettings set org.gnome.shell.extensions.network-stats display-bytes true
if [[ $(gsettings get org.gnome.shell.extensions.network-stats show-icon) == "true" ]]; then
    gsettings set org.gnome.shell.extensions.network-stats show-icon false
    "$HOME/.local/bin/gext" disable network-stats@gnome.noroadsleft.xyz
    "$HOME/.local/bin/gext" enable network-stats@gnome.noroadsleft.xyz
fi

gsettings set org.gnome.shell.extensions.bluetooth-quick-connect keep-menu-on-toggle true
gsettings set org.gnome.shell.extensions.bluetooth-quick-connect bluetooth-auto-power-on true

echo "# firefox addons"
echo "================"
declare -A FIREFOX_ADDONS
FIREFOX_ADDONS['uBlock0@raymondhill.net']="3740966/ublock_origin-1.34.0-an+fx.xpi"
FIREFOX_ADDONS['fr-dicollecte@dictionaries.addons.mozilla.org']='3581786/dictionnaire_francais-7.0b.xpi'
FIREFOX_ADDONS['chrome-gnome-shell@gnome.org']='898030/gnome_shell_integration-10.1-an+fx-linux.xpi'
FIREFOX_ADDONS['jid1-ZAdIEUB7XOzOJw@jetpack']='3741831/duckduckgo_privacy_essentials-2021.3.8-an+fx.xpi'

mkdir -p /opt/firefox/distribution/extensions
for addon_id in "${!FIREFOX_ADDONS[@]}"; do
    addon_part_url="${FIREFOX_ADDONS[$addon_id]}"
    addon_xpi="/opt/firefox/distribution/extensions/${addon_id}.xpi"
    if [[ ! -f "$addon_xpi" ]]; then
        echo -n "Firefox addon <$addon_id> installing ..."
        wget -q "https://addons.mozilla.org/firefox/downloads/file/${addon_part_url}" -O $addon_xpi
        echo DONE
    else
        echo "Firefox addon <$addon_id> already installed!"
    fi
done

echo "# Firefox default settings"
echo "#========================="

if [[ ! -f /opt/firefox/firefox.cfg ]]; then
    cat <<EOF | sudo tee -a /opt/firefox/firefox.cfg
// IMPORTANT: Start your code on the 2nd line

lockPref("browser.pocket.enabled", false);
lockPref("extensions.pocket.enabled", false);
lockPref("browser.shell.checkDefaultBrowser", false);
EOF
    cat <<EOF | sudo tee -a /opt/firefox/defaults/pref/autoconfig.js
pref("general.config.filename", "firefox.cfg");
pref("general.config.obscure_value", 0);
EOF

else
    echo "Firefox default settings already defined!"
fi

echo "# favourite apps"
echo "#==============="
runVoid "gsettings get org.gnome.shell favorite-apps | grep firefox-esr"
if [[ "$runVoidError" == 0 ]]; then
    gsettings set org.gnome.shell favorite-apps "['org.gnome.Nautilus.desktop','firefox-stable.desktop','org.gnome.Software.desktop']"
else
    echo "preserve existing apps!"
fi

echo "# libre_re pixmap"
echo "================="
if [[ ! -f /usr/share/pixmaps/faces/libre_re.png ]]; then
    sudo curl -o /usr/share/pixmaps/faces/libre_re.png "$GIT_BASE_URL/raw/branch/master/lib/pixmap/libre_re.png"
    dbus-send --system --dest=org.freedesktop.Accounts  \
    --type=method_call --print-reply \
    /org/freedesktop/Accounts/User$(id -u) \
    org.freedesktop.Accounts.User.SetIconFile \
    string:"/usr/share/pixmaps/faces/libre_re.png"
else
    echo "pixmap already copied!"
fi

echo
echo
echo "# DEBIAN-GNOME successfully installed!"
echo