setup.sh

#!/bin/bash
# Setup script for snap7-gui (Unix/macOS/Linux)

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
VENV_DIR="$SCRIPT_DIR/venv"

echo "=== snap7-gui Setup ==="
echo ""

# Check Python version
PYTHON_CMD=""
for cmd in python3 python; do
    if command -v "$cmd" &> /dev/null; then
        version=$("$cmd" -c "import sys; print(f'{sys.version_info.major}.{sys.version_info.minor}')")
        major=$("$cmd" -c "import sys; print(sys.version_info.major)")
        minor=$("$cmd" -c "import sys; print(sys.version_info.minor)")
        if [ "$major" -ge 3 ] && [ "$minor" -ge 9 ]; then
            PYTHON_CMD="$cmd"
            echo "Found Python $version at $(which $cmd)"
            break
        fi
    fi
done

if [ -z "$PYTHON_CMD" ]; then
    echo "Error: Python 3.9 or higher is required but not found."
    echo "Please install Python 3.9+ and try again."
    exit 1
fi

# Create virtual environment
if [ -d "$VENV_DIR" ]; then
    echo ""
    echo "Virtual environment already exists at $VENV_DIR"
    read -p "Do you want to recreate it? [y/N] " -n 1 -r
    echo ""
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        echo "Removing existing virtual environment..."
        rm -rf "$VENV_DIR"
    else
        echo "Keeping existing virtual environment."
    fi
fi

if [ ! -d "$VENV_DIR" ]; then
    echo ""
    echo "Creating virtual environment..."
    "$PYTHON_CMD" -m venv "$VENV_DIR"
fi

# Activate virtual environment
echo "Activating virtual environment..."
source "$VENV_DIR/bin/activate"

# Upgrade pip
echo ""
echo "Upgrading pip..."
pip install --upgrade pip --quiet

# Install dependencies
echo ""
echo "Installing dependencies..."
pip install -r "$SCRIPT_DIR/requirements.txt"

echo ""
echo "=== Setup Complete ==="
echo ""
echo "To run the application:"
echo "  ./run.sh"
echo ""
echo "Or manually activate the environment:"
echo "  source venv/bin/activate"
echo "  python main.py"