setup.command

#!/bin/bash
# Double-click setup for the GURPS PDF Hyperlinker (macOS).
#
# Installs Homebrew if needed, installs Python via Homebrew if needed,
# then installs the required Python packages. Safe to run more than
# once -- each step just says "already installed" and moves on.

set -e

# Always work relative to wherever this script actually lives, no matter
# where it was double-clicked from.
cd "$(dirname "$0")"

echo "=================================================="
echo " GURPS PDF Hyperlinker - Setup"
echo "=================================================="
echo

if ! command -v brew >/dev/null 2>&1; then
    echo "Homebrew not found. Installing it now..."
    echo "(This may ask for your Mac password, and print a lot of text -- that's normal.)"
    echo
    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

    # Make brew available in this session (Apple Silicon vs Intel paths differ).
    if [ -x /opt/homebrew/bin/brew ]; then
        eval "$(/opt/homebrew/bin/brew shellenv)"
    elif [ -x /usr/local/bin/brew ]; then
        eval "$(/usr/local/bin/brew shellenv)"
    fi
else
    echo "Homebrew already installed."
fi
echo

echo "Installing Python (skips automatically if already installed)..."
brew install python3
echo

echo "Installing the required Python packages (PyMuPDF, pypdf)..."
python3 -m pip install -r requirements.txt --break-system-packages
echo

echo "=================================================="
echo " Setup complete!"
echo
echo " Example of running the tool on a book:"
echo "   python3 hyperlink_pdf.py YourBook.pdf YourBook_linked.pdf"
echo "=================================================="
echo
read -p "Press Enter to close this window..."