#!/bin/bash

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

function runVoid(){
    local COMMAND="$@"
    bash -c "${COMMAND}" >/dev/null 2>&1
    return $?
}


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=/opt/debian-gnome
GIT_REPOSITORY_RAW="https://git.artcode.re/pvincent/debian-gnome/raw/master"
ALLOWED_USERS=$(id -un) #CUSTOMIZE if needed!
REQUIRED_PACKAGES=( \
    vim git wget curl \
    htop tilix jq unzip python3-pip gir1.2-gtop-2.0 \
    tilix bash-completion \
    )


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

[ `id -u` -eq 0 ] && echo 'normal user required' && exit -1


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

echo "## debian-bash"
echo "=============="
if [[ ! -d /opt/debian-bash ]]; then
    curl https://git.artcode.re/pvincent/debian-bash/raw/master/install.sh | sudo bash -s -- --host
else
    echo "debian-bash already installed!"
fi

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

echo "## allow hotplug eth0"
echo "====================="
if [[ $(grep 'auto eth0' /etc/network/interfaces.d/setup ) ]];then 
    sudo /opt/debian-bash/tools/append_or_replace "^auto eth0.*$" "allow-hotplug eth0" /etc/network/interfaces.d/setup
else
    echo "allow-hotplug already set up"
fi


echo "## firefox latest"
echo "=================" 
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=en-US' | 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-stable.desktop
[Desktop Entry]
Name=Firefox Stable
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=Firefox
EOF
    sudo ln -s /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 firefox-esr
    set +e
else
    echo "firefox latest already installed!"
fi

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

echo "## disable apparmor evince"
echo "=========================="
if [[ ! -L /etc/apparmor.d/disable/usr.bin.evince ]]; then
    sudo ln -s /etc/apparmor.d/usr.bin.evince /etc/apparmor.d/disable/
    sudo apparmor_parser -R /etc/apparmor.d/disable/usr.bin.evince
else
    echo "evince apparmor already disabled!"
fi

echo "## gnome default settings"
echo "============="
gsettings set org.gnome.settings-daemon.peripherals.keyboard remember-numlock-state true
gsettings set org.gnome.desktop.interface clock-show-date true
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
gsettings set org.gnome.desktop.peripherals.touchpad natural-scroll 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 "['org.gnome.Nautilus.desktop','firefox-stable.desktop','org.gnome.Software.desktop']"
fi

echo "## gnome-extensions-cli"
echo "======================="
command gnome-extensions-cli 2> /dev/null
if [[ $? -ne 0 ]]; then
    sudo pip3 install gnome-extensions-cli
else
    echo "gnome-extensions-cli already installed!"
fi

echo "## gnome extension system-monitor"
echo "================================="
EXTENSIONS=( 
    "appindicatorsupport@rgcjonas.gmail.com"
    "system-monitor@paradoxxx.zero.gmail.com"
    "dash-to-dock@micxgx.gmail.com"
    "netspeed@hedayaty.gmail.com"
)

for extension in "${EXTENSIONS[@]}"; do
    if [[ ! -d $HOME/.local/share/gnome-shell/extensions/$extension ]];then
        gnome-extensions-cli install $extension
        sudo cp $HOME/.local/share/gnome-shell/extensions/$extension/schemas/*.gschema.xml /usr/share/glib-2.0/schemas/
        sudo glib-compile-schemas /usr/share/glib-2.0/schemas/
    else
        echo "extension <${extension}> already installed!"
    fi
done

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 disk-display false
gsettings set org.gnome.shell.extensions.system-monitor icon-display false
gsettings set org.gnome.shell.extensions.netspeed show-sum true

gsettings set org.gnome.shell.extensions.dash-to-dock dock-fixed true
gsettings set org.gnome.shell.extensions.dash-to-dock apply-custom-theme true
gsettings set org.gnome.shell.extensions.dash-to-dock extend-height true
gsettings set org.gnome.shell.extensions.dash-to-dock multi-monitor 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
echo
echo "# DEBIAN-GNOME successfully installed!"
echo