#!/bin/bash

if [ "$(id -u)" != "0" ]; then
    echo -e "\033[31mThis script requires superuser rights.\033[0m"
    exit 0
fi

if [ -z "$1" ] || [ -z "$2" ]; then
  echo "Please provide both the username and password as arguments."
  exit 1
fi

trap 'echo -e "\033[31mSomething went wrong\033[0m"; exit 1' EXIT
set -e

export DEBIAN_FRONTEND=noninteractive

SMB_CONF="/etc/samba/smb.conf"
USERNAME="$1"
PASSWORD="$2"

apt update -y
apt install -y samba
systemctl enable smbd
systemctl start smbd

mkdir -p /data
(echo "$PASSWORD"; echo "$PASSWORD") | smbpasswd -a -s "$USERNAME"

smbpasswd -e "$USERNAME"
chown "$USERNAME":"$USERNAME" /data/
chmod 770 /data/

# Backup existing configuration file
cp "$SMB_CONF" "${SMB_CONF}.bak"

# New section
NEW_SECTION=$(cat << EOM

# data folder access
[data]
   path = /data
   read only = no
   browseable = yes
   create mask = 0777
   force create mode = 0777
   directory mask = 0777
   force directory mode = 0777
   force user = root
   force group = root
   
[backups]
   path = /backups
   read only = no
   browseable = yes
   create mask = 0777
   force create mode = 0777
   directory mask = 0777
   force directory mode = 0777
   force user = root
   force group = root

EOM
)

# Adding a new section to the end of the configuration file
echo "$NEW_SECTION" | tee -a "$SMB_CONF" > /dev/null

if grep -q "^obey pam restrictions = yes" "$SMB_CONF"; then
    sed -i 's/^obey pam restrictions = yes/obey pam restrictions = no/' "$SMB_CONF"
    echo "Param 'obey pam restrictions' changed to 'no'"
else
    echo "Param 'obey pam restrictions = yes' not found."
fi

echo "Samba configuration updated and saved to $SMB_CONF."

systemctl restart smbd nmbd

trap - EXIT
echo "Samba configured complete."