name: Publish @cockatrice/protocol

on:
  release:
    types:
      - released    # stable releases only; prereleases intentionally skipped
  pull_request:
    branches:
      - master
    paths:
      - '.github/workflows/protocol-publish.yml'
      - 'scripts/package-protocol.mjs'
      - 'libcockatrice_protocol/**'

concurrency:
  group: "${{ github.workflow }} @ ${{ github.ref_name }}"
  cancel-in-progress: ${{ github.event_name != 'release' }}

jobs:
  publish:
    name: Build and publish protocol package
    if: ${{ github.repository_owner == 'Cockatrice' }}
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        # No submodules; proto files live in this repo.

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          registry-url: 'https://npm.pkg.github.com'
          scope: '@cockatrice'

      - name: Determine package version
        id: pkgver
        run: |
          if [ "${{ github.event_name }}" = "release" ]; then
            VERSION="${{ github.event.release.tag_name }}"
          else
            VERSION="0.0.0-pr${{ github.event.pull_request.number }}"
          fi
          echo "version=${VERSION}" >> "$GITHUB_OUTPUT"

      - name: Build package directory
        run: node scripts/package-protocol.mjs --version "${{ steps.pkgver.outputs.version }}"

      - name: Dry-run pack (pull_request)
        if: ${{ github.event_name == 'pull_request' }}
        working-directory: build/protocol-package
        run: |
          npm pack
          ls -la *.tgz
          tar -tzf *.tgz | sort

      - name: Publish to GitHub Packages (release)
        if: ${{ github.event_name == 'release' }}
        working-directory: build/protocol-package
        env:
          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: npm publish