name: Node.js CI and Package Publish

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  release:
    types: [published]

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          cache: 'npm'
          
      - name: Install dependencies
        run: npm ci
        
      - name: Run tests
        run: npm run test --if-present

  publish-npm:
    needs: build-and-test
    runs-on: ubuntu-latest
    if: github.event_name == 'release' && github.event.action == 'published'
    steps:
      - uses: actions/checkout@v4
      
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          registry-url: 'https://registry.npmjs.org'
          
      - name: Install dependencies
        run: npm ci
        
      - name: Publish to npm
        run: npm publish --access public
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}