release.yml

name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  validate:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: '24'
          cache: 'npm'
      - run: npm ci
      - run: npm run validate

  publish:
    needs: validate
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: '24'
          cache: 'npm'
          registry-url: 'https://registry.npmjs.org'
      - run: npm ci
      - run: npm run build

      # Check if version already published
      - name: Check npm version
        id: check
        run: |
          PKG_VERSION=$(node -p "require('./package.json').version")
          if npm view roboco@$PKG_VERSION version 2>/dev/null; then
            echo "exists=true" >> $GITHUB_OUTPUT
          else
            echo "exists=false" >> $GITHUB_OUTPUT
          fi

      - name: Publish to npm
        if: steps.check.outputs.exists == 'false'
        run: npm publish --access public
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

  github-release:
    needs: publish
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Generate release notes
        id: notes
        run: |
          TAG=${GITHUB_REF#refs/tags/}
          VERSION=${TAG#v}

          # Try extracting from CHANGELOG.md first
          NOTES=""
          if [ -f CHANGELOG.md ]; then
            NOTES=$(awk "/^## ${TAG//./\\.}|^## v?${VERSION//./\\.}/{found=1; next} /^## /{if(found) exit} found{print}" CHANGELOG.md)
          fi

          # Fallback to git log if CHANGELOG section not found
          if [ -z "$NOTES" ]; then
            PREV_TAG=$(git tag --sort=-creatordate | grep -v "$TAG" | head -1)
            if [ -n "$PREV_TAG" ]; then
              NOTES=$(git log --pretty=format:"- %s" "$PREV_TAG".."$TAG" | head -30)
            else
              NOTES=$(git log --pretty=format:"- %s" | head -30)
            fi
          fi

          echo "notes<<EOF" >> $GITHUB_OUTPUT
          echo "$NOTES" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Detect prerelease
        id: prerelease
        run: |
          TAG=${GITHUB_REF#refs/tags/}
          if echo "$TAG" | grep -qE 'alpha|beta|rc'; then
            echo "flag=--prerelease" >> $GITHUB_OUTPUT
          else
            echo "flag=" >> $GITHUB_OUTPUT
          fi

      - name: Create GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG=${GITHUB_REF#refs/tags/}
          gh release create "$TAG" ${{ steps.prerelease.outputs.flag }} \
            --title "$TAG" \
            --notes "${{ steps.notes.outputs.notes }}"