name: Publish @cockatrice/protocol

on:
  release:
    types:
      - released    # stable releases only; prereleases intentionally skipped
  pull_request:
    branches:
      - master
    paths:
      - '.github/workflows/protocol-publish.yml'
      - 'libcockatrice_protocol/**'
  workflow_dispatch:
    inputs:
      version:
        description: 'Semver to publish (e.g. 15.0.0). Leave blank to dry-run only.'
        required: false
        default: ''

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
    timeout-minutes: 10

    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - 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
        shell: bash
        run: |
          case "$GITHUB_EVENT_NAME" in
            release)
              version="${{ github.event.release.tag_name }}"
              version="${version#v}"
              publish=true
              ;;
            workflow_dispatch)
              version="${{ inputs.version }}"
              if [[ -n "$version" ]]; then
                version="${version#v}"
                publish=true
              else
                version="0.0.0-manual"
                publish=false
              fi
              ;;
            *)    # pull_request
              version="0.0.0-pr${{ github.event.pull_request.number }}"
              publish=false
              ;;
          esac
          echo "version=$version" >>"$GITHUB_OUTPUT"
          echo "publish=$publish" >>"$GITHUB_OUTPUT"

      - name: Assemble package
        shell: bash
        env:
          PKG_VERSION: ${{ steps.pkgver.outputs.version }}
        run: |
          pkg=build/protocol-package
          rm -rf "$pkg"
          mkdir -p "$pkg/pb"
          cp libcockatrice_protocol/libcockatrice/protocol/pb/*.proto "$pkg/pb/"
          cp libcockatrice_protocol/protocol_version.json "$pkg/"
          cp libcockatrice_protocol/npm/package.json libcockatrice_protocol/npm/README.md "$pkg/"
          cp LICENSE "$pkg/"
          npm --prefix "$pkg" version --no-git-tag-version --allow-same-version "$PKG_VERSION"

      - name: Pack and inspect (dry-run)
        if: ${{ steps.pkgver.outputs.publish != 'true' }}
        working-directory: build/protocol-package
        run: |
          npm pack
          ls -la ./*.tgz
          tar -tzf ./*.tgz | sort

      - name: Publish to GitHub Packages
        if: ${{ steps.pkgver.outputs.publish == 'true' }}
        working-directory: build/protocol-package
        env:
          NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: npm publish