release.yml

name: Release

on:
  push:
    branches:
      - master
  workflow_dispatch:
    inputs:
      version_bump:
        description: 'Version bump type'
        required: true
        default: 'patch'
        type: choice
        options:
          - patch
          - minor
          - major
      release_notes:
        description: 'Additional release notes (optional)'
        required: false
        type: string

permissions:
  contents: write

jobs:
  release:
    name: Create Release
    runs-on: ubuntu-latest
    outputs:
      new_version: ${{ steps.version.outputs.new_version }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

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

      - name: Determine version bump
        id: bump
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            echo "type=${{ inputs.version_bump }}" >> $GITHUB_OUTPUT
          else
            LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
            if [ -z "$LAST_TAG" ]; then RANGE="HEAD"; else RANGE="${LAST_TAG}..HEAD"; fi
            COMMITS=$(git log $RANGE --pretty=format:"%s" 2>/dev/null || echo "")
            if echo "$COMMITS" | grep -qiE "^(feat|feature)(\(.+\))?!:|BREAKING CHANGE"; then
              echo "type=major" >> $GITHUB_OUTPUT
            elif echo "$COMMITS" | grep -qiE "^(feat|feature)(\(.+\))?:"; then
              echo "type=minor" >> $GITHUB_OUTPUT
            else
              echo "type=patch" >> $GITHUB_OUTPUT
            fi
          fi

      - name: Calculate new version
        id: version
        run: |
          IFS='.' read -r MAJOR MINOR PATCH <<< "${{ steps.current.outputs.version }}"
          case "${{ steps.bump.outputs.type }}" in
            major) MAJOR=$((MAJOR + 1)); MINOR=0; PATCH=0 ;;
            minor) MINOR=$((MINOR + 1)); PATCH=0 ;;
            patch) PATCH=$((PATCH + 1)) ;;
          esac
          echo "new_version=${MAJOR}.${MINOR}.${PATCH}" >> $GITHUB_OUTPUT

      - name: Generate changelog entry
        run: |
          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$LAST_TAG" ]; then RANGE="HEAD"; else RANGE="${LAST_TAG}..HEAD"; fi
          TODAY=$(date +%Y-%m-%d)
          NEW_VERSION="${{ steps.version.outputs.new_version }}"
          ADDED="" CHANGED="" FIXED="" REMOVED=""
          while IFS= read -r line; do
            HASH=$(echo "$line" | cut -d'|' -f1)
            MSG=$(echo "$line" | cut -d'|' -f2-)
            SHORT_HASH=$(echo "$HASH" | cut -c1-7)
            PR_NUM=$(echo "$MSG" | grep -oP '\(#\K[0-9]+(?=\))' | head -1)
            if [ -n "$PR_NUM" ]; then
              ATTR="([#${PR_NUM}](https://github.com/proyecto26/ion-phaser-ce/pull/${PR_NUM}))"
            else
              ATTR="([${SHORT_HASH}](https://github.com/proyecto26/ion-phaser-ce/commit/${HASH}))"
            fi
            CLEAN_MSG=$(echo "$MSG" | sed -E 's/^(feat|fix|perf|refactor|chore|docs|style|test|build|ci)(\([^)]*\))?(!)?:\s*//')
            CLEAN_MSG=$(echo "$CLEAN_MSG" | sed -E 's/\s*\(#[0-9]+\)\s*$//')
            if echo "$MSG" | grep -qiE "^(feat|feature)(\(.+\))?:"; then
              ADDED="${ADDED}- ${CLEAN_MSG} ${ATTR}.\n"
            elif echo "$MSG" | grep -qiE "^fix(\(.+\))?:"; then
              FIXED="${FIXED}- ${CLEAN_MSG} ${ATTR}.\n"
            else
              CHANGED="${CHANGED}- ${CLEAN_MSG} ${ATTR}.\n"
            fi
          done < <(git log $RANGE --pretty=format:"%H|%s" --no-merges 2>/dev/null)
          BODY=""
          [ -n "$ADDED" ] && BODY="${BODY}### Added\n${ADDED}\n"
          [ -n "$CHANGED" ] && BODY="${BODY}### Changed\n${CHANGED}\n"
          [ -n "$FIXED" ] && BODY="${BODY}### Fixed\n${FIXED}\n"
          [ -n "$REMOVED" ] && BODY="${BODY}### Removed\n${REMOVED}\n"
          [ -z "$BODY" ] && BODY="### Changed\n- Release version ${NEW_VERSION}.\n"
          echo -e "$BODY" > /tmp/release_body.md
          PREV_VERSION="${{ steps.current.outputs.version }}"
          HEADER="## [${NEW_VERSION}] - ${TODAY}"
          LINK="[${NEW_VERSION}]: https://github.com/proyecto26/ion-phaser-ce/compare/v${PREV_VERSION}...v${NEW_VERSION}"
          sed -i "/^## \[Unreleased\]/a\\\\n${HEADER}\\n" CHANGELOG.md
          sed -i "/^## \[${NEW_VERSION}\]/r /tmp/release_body.md" CHANGELOG.md
          sed -i "s|\[Unreleased\]: .*|[Unreleased]: https://github.com/proyecto26/ion-phaser-ce/compare/v${NEW_VERSION}...HEAD|" CHANGELOG.md
          sed -i "/^\[Unreleased\]:/a ${LINK}" CHANGELOG.md

      - name: Update version
        run: |
          node -e "const p=require('./package.json');p.version='${{ steps.version.outputs.new_version }}';require('fs').writeFileSync('./package.json',JSON.stringify(p,null,2)+'\n')"

      - name: Commit and tag
        run: |
          git config --global user.name 'github-actions[bot]'
          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
          git add -A
          git commit -m "chore(release): v${{ steps.version.outputs.new_version }}"
          git tag "v${{ steps.version.outputs.new_version }}"
          git push origin master --follow-tags

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: v${{ steps.version.outputs.new_version }}
          name: Release ${{ steps.version.outputs.new_version }}
          body_path: /tmp/release_body.md

  publish-npm:
    name: Publish to npm
    needs: release
    runs-on: ubuntu-latest
    if: needs.release.outputs.new_version != ''
    steps:
      - uses: actions/checkout@v4
        with:
          ref: master
      - run: git pull origin master
      - uses: actions/setup-node@v4
        with:
          node-version: '20'
          registry-url: 'https://registry.npmjs.org'
      - run: npm install
      - run: npm run build
      - run: npm publish --access public
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}