#!/usr/bin/env bash

# Copyright (c) 2026 Joerg Heinemann (heinemannj)
# Author: Joerg Heinemann (heinemannj)
# License: MIT | https://github.com/heinemannj/ProxmoxVE-Admin/raw/main/LICENSE
# Source: https://raw.githubusercontent.com/heinemannj/ProxmoxVE-Admin/main/misc/admin-core.func

#function die() {
#  msg_error "${1}"; exit 1
#}

# ==============================================================================
# OS DETECTION
# ==============================================================================
function detect_os() {
  if grep -qi "alpine" /etc/os-release; then
    #OS="Alpine"
    PKG_UPDATE=""
    PKG_INSTALL="apk add --no-cache"
    PKG_UPGRADE="apk update"
    PKG_UNINSTALL="apk del"
    PKG_AUTOREMOVE=""
  elif grep -qi "arch" /etc/os-release; then
    #OS="Arch"
    PKG_UPDATE=""
    PKG_INSTALL="pacman -S"
    PKG_UPGRADE="pacman -Syu"
    PKG_UNINSTALL="pacman -Rs"
    PKG_AUTOREMOVE=""
  elif grep -qi "debian" /etc/os-release; then
    #OS="Debian"
    PKG_UPDATE="apt update"
    PKG_INSTALL="apt -y install"
    PKG_UPGRADE="apt -y upgrade"
    PKG_UNINSTALL="apt -y --purge remove"
    PKG_AUTOREMOVE="apt -y --purge autoremove"
    if ! [[ -f /etc/apt/sources.list.d/smallstep.sources ]]; then
      setup_deb822_repo \
        "smallstep" \
        "https://packages.smallstep.com/keys/apt/repo-signing-key.gpg" \
        "https://packages.smallstep.com/stable/debian" \
        "debs" \
        "main"
    fi
  elif grep -qi "ubuntu" /etc/os-release; then
    #OS="Ubuntu"
    PKG_UPDATE="apt update"
    PKG_INSTALL="apt -y install"
    PKG_UPGRADE="apt -y upgrade"
    PKG_UNINSTALL="apt -y --purge remove"
    PKG_AUTOREMOVE="apt -y --purge autoremove"
    if ! [[ -f /etc/apt/sources.list.d/smallstep.sources ]]; then
      setup_deb822_repo \
        "smallstep" \
        "https://packages.smallstep.com/keys/apt/repo-signing-key.gpg" \
        "https://packages.smallstep.com/stable/debian" \
        "debs" \
        "main"
    fi
  else
    die "Unsupported OS. Exiting."
  fi
}

# ==============================================================================
# HELPER FUNCTIONS
# ==============================================================================
function resolve_ip() {
  local FQDN=$1
  local IP
  IP=$(dig +short "$FQDN")
 [[ -z "$IP" ]] && exit 1 || echo "$IP"
}