#!/bin/bash

# Script para buscar usuarios que non sexan de sistema

# Repo coa configuración
echo "Baixando configuración..."
rm -rf /tmp/user_js > /dev/null 2>&1
git clone https://github.com/arkenfox/user.js.git /tmp/user_js
echo ""

# Asegurarse de que existe Firefox en apt e non en snap
apt_firefox () {
    # existe snap?
    if snp=$(which snap); then
        $snp list firefox
        if [ $? -eq 0 ]; then
            # probablemente estamos en Ubuntu, quitase do snap
            $snp remove --purge firefox

            # agregase repo de mozilla
            add-apt-repository -y ppa:mozillateam/ppa

            if [ ! -f /etc/apt/preferences.d/mozilla-firefox ]; then
                echo '
Package: *
Pin: release o=LP-PPA-mozillateam
Pin-Priority: 1001

Package: firefox
Pin: version 1:1snap*
Pin-Priority: -1
' | sudo tee /etc/apt/preferences.d/mozilla-firefox
            fi
	fi
    fi

    apt purge -y firefox
    apt install -y firefox
}

# Configura Firefox
set_firefox_config () {
    USER=$1
    HOME=$2

    # Crea o perfil por defecto:
    export DBUS_SESSION_BUS_ADDRESS="unix:path=$XDG_RUNTIME_DIR/bus"
    sudo -i -u $USER firefox -headless -no-remote -CreateProfile default

    # Busca directorio do perfil e aplica a config
    DIRECTORIO=""
    for ruta in $(find $HOME -name profiles.ini);
    do
        if [[ $ruta == *".mozilla/firefox/profiles.ini"* ]]; then
            DIRECTORIO=$(dirname $ruta)
        fi
    done

    echo $DIRECTORIO

    if [ -d "$DIRECTORIO" ]; then
        # Buscando directorio do perfil
        if [[ $(grep '\[Profile[^0]\]' $DIRECTORIO/profiles.ini) ]]; then
            PROFPATH=$(grep -E '^\[Profile|^Path|^Default' $DIRECTORIO/profiles.ini | grep -1 '^Default=1' | grep '^Path' | cut -c6-)
        else 
            PROFPATH=$(grep 'Path=' $DIRECTORIO/profiles.ini | sed 's/^Path=//')
        fi
        PROFILE_DIR=$DIRECTORIO/$PROFPATH
		
        # Xa temos o directorio, copiase a config
        cp /tmp/user_js/prefsCleaner.sh $PROFILE_DIR
        cp /tmp/user_js/updater.sh $PROFILE_DIR
        cp /tmp/user_js/user.js $PROFILE_DIR
        wget --quiet https://codeberg.org/Liassica/user-overrides/raw/branch/main/user-overrides/no-suggestions-no-password/user-overrides.js -P $PROFILE_DIR

        echo "Firefox do usuario $USER configurado."
    else
        echo "Non se encontra o directorio do Firefox."
    fi
}

# RUN

apt_firefox

uid_min=$(grep -E '^UID_MIN' /etc/login.defs | awk '{print $2}')
uid_max=$(grep -E '^UID_MAX' /etc/login.defs | awk '{print $2}')

echo "Buscando usuarios con UID entre $uid_min e $uid_max..."

while read line; do
    IFS=':' read -r usuario uid home <<< "$(echo $line | cut -d\: -f1,3,6)"

    if [ $uid -ge $uid_min ] && [ $uid -le $uid_max ]; then
        echo "Atopado $usuario con UID $uid en $home"
	echo "Configurando Firefox..."
        set_firefox_config $usuario $home
    fi
done < /etc/passwd

# Restaurar Firefox con snap
# add-apt-repository -y -r ppa:mozillateam/ppa
# rm -rf /etc/apt/preferences.d/mozilla-firefox
# apt remove firefox && snap install firefox