#!/usr/bin/bash

function set_root_passwd(){
    echo "root:root" | chpasswd
}

function setup_sources_list () {
    echo "Setting up sources.list"
    cat <<EOF > $CHROOT_DIR/etc/apt/sources.list
deb $DEBOOT_STRAP_URL noble main restricted universe multiverse
deb-src $DEBOOT_STRAP_URL noble main restricted universe multiverse

deb $DEBOOT_STRAP_URL noble-security main restricted universe multiverse
deb-src $DEBOOT_STRAP_URL noble-security main restricted universe multiverse

deb $DEBOOT_STRAP_URL noble-updates main restricted universe multiverse
deb-src $DEBOOT_STRAP_URL noble-updates main restricted universe multiverse
EOF
    apt update -y 
    apt-get -y upgrade
}

function configure_divert() {
    echo "Configuring divert"
    dbus-uuidgen > /etc/machine-id
    mkdir -p /var/lib/dbus/
    ln -fs /etc/machine-id /var/lib/dbus/machine-id
    dpkg-divert --local --rename --add /sbin/initctl
    ln -s /bin/true /sbin/initctl    
}

function mount_proc_sys_dev() {
    echo "Mounting proc, sys and dev"
    mount -t proc proc /proc
    mount -t sysfs sys /sys
    mount -t devpts devpts /dev/pts
}

function install_packages() {
    echo "Installing packages"
    apt install -y $@
}


function install_non_interactive() {
    echo "Installing packages non interactive"
    apt install -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" $@
}

function install_no_recommends() {
    echo "Installing packages without recommends"
    apt install -y --no-install-recommends $@
}

function setup_chroot() {
    echo "Setting up chroot"
    dbus-uuidgen > /etc/machine-id
    apt update -y
    ln -fs /etc/machine-id /var/lib/dbus/machine-id
    ln -s /bin/true /sbin/initctl
}

function remove_unneeded_packages() {
    echo "Removing unneeded packages"
    apt remove -y --purge --auto-remove snapd
}

function reconfigure_locales() {
    echo "Configuring locales"
    sed -i 's/# es_ES.UTF-8 UTF-8/es_ES.UTF-8 UTF-8/' /etc/locale.gen
    sed -i 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen
    locale-gen
    ln -sf /usr/share/zoneinfo/Europe/Madrid /etc/localtime
    echo "Europe/Madrid" > /etc/timezone
    dpkg-reconfigure -f noninteractive tzdata
}


function reconfigure_network_manager() {
    echo "Configuring network manager"
    mkdir -p /etc/NetworkManager
    cat <<EOF > /etc/NetworkManager/NetworkManager.conf
[main]
plugins=keyfile

[keyfile]
unmanaged-devices=none
EOF

    mkdir -p /etc/NetworkManager/system-connections/
    cat <<EOL > /etc/NetworkManager/system-connections/dhcp-all.nmconnection
[connection]
id=Cable
type=ethernet
autoconnect=true

[ipv4]
method=auto
EOL

    systemctl enable NetworkManager
}

function clean (){ 
    truncate -s 0 /etc/machine-id
    rm /sbin/initctl
    dpkg-divert --rename --remove /sbin/initctl
    apt-get clean
    rm -rf /tmp/* ~/.bash_history
    umount /proc
    umount /sys
    umount /dev/pts
    export HISTSIZE=0
}


function user_add() {
    useradd -m -s /bin/bash -G sudo og
    echo "og:og" | chpasswd
}