#!/bin/bash
set -e

PROJECT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
NODE_VERSION="$(cat "$PROJECT_DIR/.nvmrc")"
NVM_SCRIPT="${NVM_DIR:-$HOME/.nvm}/nvm.sh"

if [ -s "$NVM_SCRIPT" ]; then
  . "$NVM_SCRIPT"
  if ! nvm ls "$NODE_VERSION" > /dev/null 2>&1; then
    echo "Required Node.js version $NODE_VERSION is not installed"
    echo "Installing Node.js $NODE_VERSION..."
    nvm install "$NODE_VERSION"
  fi
  echo "Switching to Node.js $NODE_VERSION..."
  nvm use "$NODE_VERSION"
else
  echo "nvm is not available; validating the current Node.js version instead."
  node "$PROJECT_DIR/scripts/check-node-version.js"
fi

if [ $# -gt 0 ]; then
  exec "$@"
fi