release.yml

name: Release Workflow

on:
  push:
    branches: [main]
    paths:
      - 'package.json'
  workflow_dispatch:
    inputs:
      version_type:
        description: 'Version bump type'
        required: true
        type: choice
        options:
          - patch
          - minor
          - major
        default: patch

jobs:
  release:
    runs-on: ubuntu-latest
    # Skip if commit is from github-actions bot or contains [skip ci]
    if: "!contains(github.event.head_commit.message, '[skip ci]') && github.actor != 'github-actions[bot]'"

    permissions:
      contents: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GA_TOKEN }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'

      - name: Setup pnpm
        uses: pnpm/action-setup@v2
        with:
          version: latest

      - name: Install dependencies
        run: pnpm install

      - name: Get current version
        id: current-version
        run: |
          VERSION=$(node -p "require('./package.json').version")
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Current version: $VERSION"

      - name: Check if tag exists
        id: check-tag
        run: |
          VERSION="${{ steps.current-version.outputs.version }}"
          if git rev-parse "v$VERSION" >/dev/null 2>&1; then
            echo "exists=true" >> $GITHUB_OUTPUT
            echo "Tag v$VERSION already exists"
          else
            echo "exists=false" >> $GITHUB_OUTPUT
            echo "Tag v$VERSION does not exist"
          fi

      - name: Get previous version
        id: previous-version
        if: steps.check-tag.outputs.exists == 'false'
        run: |
          # Get the latest tag
          PREV_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -n "$PREV_TAG" ]; then
            PREV_VERSION=${PREV_TAG#v}
            echo "previous=$PREV_VERSION" >> $GITHUB_OUTPUT
            echo "Previous version: $PREV_VERSION"
          else
            echo "previous=" >> $GITHUB_OUTPUT
            echo "No previous version found"
          fi

      - name: Install auto-changelog globally
        if: steps.check-tag.outputs.exists == 'false'
        run: |
          npm install -g auto-changelog

      - name: Update changelog for current version
        if: steps.check-tag.outputs.exists == 'false'
        run: |
          VERSION="${{ steps.current-version.outputs.version }}"
          PREV_VERSION="${{ steps.previous-version.outputs.previous }}"
          
          echo "Updating changelog for version v$VERSION"
          
          # Create backup of current changelog
          cp CHANGELOG.md CHANGELOG.md.backup
          
          # Generate new changelog
          auto-changelog --template keepachangelog --commit-limit false --unreleased
          
          # If the changelog wasn't properly updated, manually update it
          if ! grep -q "## \[v$VERSION\]" CHANGELOG.md; then
            echo "Manually updating changelog for v$VERSION"
            
            # Get current date
            CURRENT_DATE=$(date '+%Y-%m-%d')
            
            # Create temporary changelog content
            cat > temp_changelog.md << EOF
# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

Generated by [\`auto-changelog\`](https://github.com/CookPete/auto-changelog).

## [Unreleased](https://github.com/chess-labs/core/compare/v$VERSION...HEAD)

## [v$VERSION](https://github.com/chess-labs/core/compare/v$PREV_VERSION...v$VERSION) - $CURRENT_DATE

### Commits

EOF
            
            # Get commits since last version
            if [ -n "$PREV_VERSION" ]; then
              git log --oneline --no-merges "v$PREV_VERSION..HEAD" --pretty=format:"- %s [\`%h\`](https://github.com/chess-labs/core/commit/%H)" >> temp_changelog.md
            else
              git log --oneline --no-merges --pretty=format:"- %s [\`%h\`](https://github.com/chess-labs/core/commit/%H)" >> temp_changelog.md
            fi
            
            echo "" >> temp_changelog.md
            echo "" >> temp_changelog.md
            
            # Append existing changelog content (excluding header)
            if [ -f CHANGELOG.md.backup ]; then
              tail -n +9 CHANGELOG.md.backup >> temp_changelog.md
            fi
            
            # Replace changelog
            mv temp_changelog.md CHANGELOG.md
          fi
          
          echo "✅ Changelog updated for v$VERSION"

      - name: Commit and push changelog
        if: steps.check-tag.outputs.exists == 'false'
        run: |
          VERSION="${{ steps.current-version.outputs.version }}"

          git config --global user.name 'github-actions[bot]'
          git config --global user.email 'github-actions[bot]@users.noreply.github.com'

          # Add changelog
          git add CHANGELOG.md

          # Check if there are changes to commit
          if ! git diff --staged --quiet; then
            git commit -m "docs: auto-update changelog for v$VERSION [skip ci]"
            git push origin main
            echo "✅ Committed and pushed changelog updates"
          else
            echo "ℹ️ No changelog changes to commit"
          fi

      - name: Create and push tag
        if: steps.check-tag.outputs.exists == 'false'
        run: |
          VERSION="${{ steps.current-version.outputs.version }}"

          # Create annotated tag
          git tag -a "v$VERSION" -m "Release v$VERSION"
          git push origin "v$VERSION"

          echo "✅ Created and pushed tag v$VERSION"

      - name: Create GitHub Release
        if: steps.check-tag.outputs.exists == 'false'
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GA_TOKEN }}
        with:
          tag_name: v${{ steps.current-version.outputs.version }}
          release_name: Release v${{ steps.current-version.outputs.version }}
          body: >
            🚀 **Release v${{ steps.current-version.outputs.version }}**


            ## What's Changed

            Check the [CHANGELOG.md](https://github.com/chess-labs/core/blob/main/CHANGELOG.md) for detailed changes.


            **Full Changelog**: https://github.com/chess-labs/core/compare/v${{ steps.current-version.outputs.version }}...HEAD
          draft: false
          prerelease: false

      - name: Skip message
        if: steps.check-tag.outputs.exists == 'true'
        run: |
          echo "⏭️ Tag v${{ steps.current-version.outputs.version }} already exists, skipping release"