name: Publish to npm

on:
  workflow_run:
    workflows: ["Node.js CI"]
    types: [completed]
    branches: [main]

jobs:
  check:
    if: github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    permissions:
      contents: read
    outputs:
      should_publish: ${{ steps.version-check.outputs.should_publish }}
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-node@v5
        with:
          node-version: 24.x
      - name: Check if version is already published
        id: version-check
        run: |
          NAME=$(node -p "require('./package.json').name")
          LOCAL=$(node -p "require('./package.json').version")
          if npm view "${NAME}@${LOCAL}" version 2>/dev/null; then
            echo "should_publish=false" >> "$GITHUB_OUTPUT"
            echo "Version $LOCAL already published, skipping."
          else
            echo "should_publish=true" >> "$GITHUB_OUTPUT"
            echo "New version detected: $LOCAL"
          fi

  publish:
    needs: check
    if: needs.check.outputs.should_publish == 'true'
    runs-on: ubuntu-latest
    permissions:
      contents: write
      id-token: write
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-node@v5
        with:
          node-version: 24.x
      - run: npm ci
      - name: Build
        run: npm run dist
      - name: Determine npm tag
        id: npm-tag
        run: |
          VERSION=$(node -p "require('./package.json').version")
          if [[ "$VERSION" == *-* ]]; then
            echo "tag=beta" >> "$GITHUB_OUTPUT"
          else
            echo "tag=latest" >> "$GITHUB_OUTPUT"
          fi
      - name: Publish
        run: npm publish --provenance --access public --tag ${{ steps.npm-tag.outputs.tag }}
      - name: Create GitHub Release
        run: |
          VERSION=$(node -p "require('./package.json').version")
          PRERELEASE=""
          if [[ "$VERSION" == *-* ]]; then
            PRERELEASE="--prerelease"
          fi
          gh release create "v${VERSION}" --generate-notes $PRERELEASE
        env:
          GH_TOKEN: ${{ github.token }}