#!/bin/bash

UNAME_MACHINE="$(sysctl machdep.cpu | awk -F ': ' '/machdep.cpu.brand_string/ {print $2}')"

if [[ "${UNAME_MACHINE}" == *"Apple"* ]]
then
  # On ARM macOS, this script installs to /opt/homebrew only
  #for arm64
  BREW_PATH="/opt/homebrew/bin/brew"
  HOMEBREW_PREFIX="/usr/bin/arch -arm64 $BREW_PATH"

else
  # On Intel macOS, this script installs to /usr/local only
  #for intel
  BREW_PATH="/usr/local/bin/brew"
  HOMEBREW_PREFIX="/usr/bin/arch -x86_64 $BREW_PATH"
fi

current_user=$(ls -l /dev/console | awk '{print $3}')
export HOME=/Users/$current_user

sudo -u $current_user $HOMEBREW_PREFIX --version
if [[ $? -ne 0 ]]; then
  echo "brew is not installed"
  exit 0
fi

# Define the command to check the version
version=$(sudo -u $current_user $HOMEBREW_PREFIX list --versions xz | awk '{print $2}')
if [[ -z "$version" ]]; then
  echo "xz is not installed"
  exit 0
fi

# Extract the version number
# version=$(echo "$version_output" | awk '{print $2}')

# Check if the version is 5.6.0 or 5.6.1
if [[ "$version" == "5.6.0" || "$version" == "5.6.1" ]]; then
    echo "xz version $version detected. Upgrading Homebrew..."
    # Run the brew upgrade command
    sudo -u $current_user $HOMEBREW_PREFIX upgrade xz
    sudo -u $current_user $HOMEBREW_PREFIX cleanup -v -s --prune=all
    echo "Updated Version is $(sudo -u $current_user $HOMEBREW_PREFIX list --versions xz | awk '{print $2}')"
else
    echo "xz version is $version, which is not 5.6.0 or 5.6.1. No upgrade needed."
fi