#!/bin/bash

# Function to check the status of the last executed command
check_status() {
    if [ $? -ne 0 ]; then
        echo "Error: $1 failed."
        exit 1
    fi
}

# Check if Homebrew is installed
if ! command -v brew &>/dev/null; then
    echo "Error: Homebrew is not installed. Please install Homebrew first."
    exit 1
fi

# Update Homebrew
echo "Updating Homebrew..."
brew update
check_status "brew update"

# Upgrade all installed formulae
echo "Upgrading installed formulae..."
brew upgrade
check_status "brew upgrade"

# Upgrade all installed casks
echo "Upgrading installed casks..."
casks=$(brew list --cask)
if [ -z "$casks" ]; then
    echo "No casks installed. Skipping cask upgrades."
else
    for cask in $casks; do
        echo "Upgrading cask: $cask"
        brew upgrade --cask "$cask"
        check_status "brew upgrade --cask $cask"
    done
fi

echo "All upgrades completed successfully."