#!/bin/bash
set -e  # Exit immediately if a command exits with a non-zero status

# Export DEBIAN_FRONTEND to ensure non-interactive installations
export DEBIAN_FRONTEND=noninteractive

# Update package lists
apt update -y

# Upgrade existing packages
apt-get -y -o Dpkg::Options::="--force-confnew" upgrade
apt upgrade -y

# Install essential packages
apt-get --yes install jq curl wget sudo apt-transport-https gpg net-tools

# Add 3CX repository key and sources
wget -O- http://repo.3cx.com/key.pub | gpg --dearmor | tee /usr/share/keyrings/3cx-archive-keyring.gpg > /dev/null
echo "deb [arch=amd64 by-hash=yes signed-by=/usr/share/keyrings/3cx-archive-keyring.gpg] http://repo.3cx.com/debian/2000 bookworm main" >> /etc/apt/sources.list
echo "deb [arch=amd64 by-hash=yes signed-by=/usr/share/keyrings/3cx-archive-keyring.gpg] http://repo.3cx.com/debian-security/2000 bookworm-security main" >> /etc/apt/sources.list
echo "deb [arch=amd64 by-hash=yes signed-by=/usr/share/keyrings/3cx-archive-keyring.gpg] http://repo.3cx.com/3cx bookworm main" > /etc/apt/sources.list.d/3cxpbx.list

# Update package lists again to include 3CX repository
apt update -y

# Install PostgreSQL, Nginx, and 3CX PBX
apt-get --yes install postgresql-15 postgresql-client-15 nginx

# Preconfigure 3CX PBX installation if possible
# (Note: Replace <package-specific preconfiguration> with actual debconf settings if required)
# Example:
# echo "3cxpbx 3cxpbx/some_option select some_value" | debconf-set-selections

apt-get --yes install 3cxpbx

# Notify user
echo ""
echo " - - - "
echo "REMINDER TO CHANGE THE DEFAULT PASSWORD"