name: Publish to npm

on:
  release:
    types: [published]
  workflow_dispatch:
    inputs:
      ref:
        description: 'Tag to publish (e.g., v3.3.0)'
        required: true

jobs:
  publish:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          ref: ${{ github.event.inputs.ref || github.ref }}

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: 20
          registry-url: 'https://registry.npmjs.org'
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Build TypeScript
        run: npm run build

      - name: Verify build
        run: |
          test -f dist/index.js
          test -f dist/index.d.ts

      - name: Publish to npm
        run: npm publish --provenance --access public
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}