release-automation.yml

name: Release Automation

on:
  push:
    branches: [ main, master ]
    paths-ignore:
      - '**.md'
      - '.github/workflows/**'
  workflow_dispatch:
    inputs:
      release_type:
        description: 'Release type (patch, minor, major)'
        required: true
        default: 'patch'
        type: choice
        options: [patch, minor, major]

permissions:
  contents: write
  pull-requests: write

jobs:
  release:
    runs-on: ubuntu-latest
    # Only run if commit message signals a release
    if: |
      contains(github.event.head_commit.message, 'feat:') ||
      contains(github.event.head_commit.message, 'fix:') ||
      contains(github.event.head_commit.message, 'release:') ||
      github.event_name == 'workflow_dispatch'

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Full history for changelog generation
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: 'npm'

      - name: Configure git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Install dependencies
        run: npm ci

      - name: Run tests before release
        run: npm test -- --passWithNoTests --watchAll=false

      - name: Build
        run: npm run build

      - name: Determine release type
        id: release-type
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            echo "type=${{ github.event.inputs.release_type }}" >> $GITHUB_OUTPUT
          else
            # Auto-detect from commit message
            MSG="${{ github.event.head_commit.message }}"
            if echo "$MSG" | grep -q "BREAKING CHANGE\|major:"; then
              echo "type=major" >> $GITHUB_OUTPUT
            elif echo "$MSG" | grep -q "feat:"; then
              echo "type=minor" >> $GITHUB_OUTPUT
            else
              echo "type=patch" >> $GITHUB_OUTPUT
            fi
          fi

      - name: Bump version
        id: version
        run: |
          npm version ${{ steps.release-type.outputs.type }} --no-git-tag-version
          NEW_VERSION=$(node -p "require('./package.json').version")
          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "New version: $NEW_VERSION"

      - name: Generate changelog
        id: changelog
        run: |
          # Get commits since last tag
          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$LAST_TAG" ]; then
            COMMITS=$(git log --pretty=format:"- %s (%h)" -20)
          else
            COMMITS=$(git log ${LAST_TAG}..HEAD --pretty=format:"- %s (%h)")
          fi

          # Categorize commits
          FEATURES=$(echo "$COMMITS" | grep "^- feat:" || echo "")
          FIXES=$(echo "$COMMITS" | grep "^- fix:" || echo "")
          OTHER=$(echo "$COMMITS" | grep -v "^- feat:\|^- fix:" || echo "")

          CHANGELOG="## What's Changed in v${{ steps.version.outputs.version }}"

          if [ -n "$FEATURES" ]; then
            CHANGELOG="$CHANGELOG\n\n### ✨ New Features\n$FEATURES"
          fi
          if [ -n "$FIXES" ]; then
            CHANGELOG="$CHANGELOG\n\n### 🐛 Bug Fixes\n$FIXES"
          fi
          if [ -n "$OTHER" ]; then
            CHANGELOG="$CHANGELOG\n\n### 🔧 Other Changes\n$OTHER"
          fi

          echo "changelog<<EOF" >> $GITHUB_OUTPUT
          echo -e "$CHANGELOG" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Commit version bump
        run: |
          git add package.json package-lock.json
          git commit -m "chore: release v${{ steps.version.outputs.version }} [skip ci]"
          git tag "v${{ steps.version.outputs.version }}"
          git push origin HEAD --tags

      - name: Create GitHub Release
        uses: actions/github-script@v7
        with:
          script: |
            await github.rest.repos.createRelease({
              owner: context.repo.owner,
              repo: context.repo.repo,
              tag_name: `v${{ steps.version.outputs.version }}`,
              name: `v${{ steps.version.outputs.version }}`,
              body: `${{ steps.changelog.outputs.changelog }}`,
              draft: false,
              prerelease: false
            });

      - name: Summary
        run: |
          echo "## 🚀 Released v${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "Type: ${{ steps.release-type.outputs.type }}" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "${{ steps.changelog.outputs.changelog }}" >> $GITHUB_STEP_SUMMARY