#!/usr/bin/env bash

# Check if IP argument is provided
if [ -z "$1" ]; then
    echo "Usage: $0 <NTP_SERVER_IP>"
    exit 1
fi

# Set the NTP server IP
NTP_SERVER="$1"

# Stop ntpd service
echo "Stopping ntpd service..."
sudo systemctl stop ntpd

# Sync time using ntpdate
echo "Synchronizing time with $NTP_SERVER..."
sudo ntpdate "$NTP_SERVER"

# Prompt for setting time zone
echo "Please enter the desired time zone (e.g., UTC, Asia/Kuwait):"
read -r TIMEZONE

# Set the time zone
if sudo timedatectl set-timezone "$TIMEZONE"; then
    echo "Time zone set to $TIMEZONE."
else
    echo "Failed to set time zone to $TIMEZONE. Please ensure the input is correct."
    exit 1
fi

# Start ntpd service
echo "Starting ntpd service..."
sudo systemctl start ntpd

# Display the current time settings
echo "Time synchronized successfully with $NTP_SERVER and time zone set to $TIMEZONE."
timedatectl