#!/bin/bash
set -euo pipefail

NVM_VERSION="v0.40.4"
NVM_INSTALL_URL="https://raw.githubusercontent.com/nvm-sh/nvm/${NVM_VERSION}/install.sh"

echo "============================================"
echo "Node.js Installation Script (via nvm)"
echo "============================================"
echo ""
echo "This script will:"
echo "  - Install nvm ${NVM_VERSION} to ~/.nvm"
echo "  - Install the latest LTS version of Node.js"
echo ""
read -p "Continue with installation? (y/N) " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
    echo "Installation cancelled."
    exit 0
fi

echo ""
echo "Installing nvm..."
curl -o- "$NVM_INSTALL_URL" | bash

export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"

echo ""
echo "Installing latest LTS Node.js..."
nvm install --lts
nvm use --lts

echo ""
echo "============================================"
echo "Node.js installed successfully!"
node --version
npm --version
echo ""
echo "nvm and node are installed. Make sure your .bashrc_paths includes:"
echo '  export NVM_DIR="$HOME/.nvm"'
echo '  [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"'
echo "============================================"