auto-release.yml

name: Automatic Release

on:
  push:
    tags:
      - 'v*'  # Trigger bei Tags wie v1.2.3

permissions:
  contents: write        # Needed to create releases and upload assets
  actions: read         # Needed to read workflow artifacts
  packages: write       # Needed for package publishing
  id-token: write       # Needed for PyPI trusted publishing (optional)

jobs:
  create-release:
    name: Create GitHub Release
    runs-on: ubuntu-latest
    outputs:
      upload_url: ${{ steps.create_release.outputs.upload_url }}
      release_id: ${{ steps.create_release.outputs.id }}
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Vollständige Git-Historie für CHANGELOG

      - name: Get tag version
        id: get_version
        run: |
          VERSION=${GITHUB_REF#refs/tags/v}
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
          echo "TAG_NAME=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT

      - name: Extract changelog for this version
        id: changelog
        run: |
          VERSION=${{ steps.get_version.outputs.VERSION }}
          
          # Extrahiere Release-Notes aus CHANGELOG.md
          if [ -f "CHANGELOG.md" ]; then
            # Suche nach der Version im CHANGELOG
            awk -v version="$VERSION" '
              /^## \[/ {
                if ($0 ~ "\\[" version "\\]") {
                  found = 1
                  next
                }
                if (found) exit
              }
              found && /^## \[/ { exit }
              found && !/^## \[/ { print }
            ' CHANGELOG.md > release_notes.txt
            
            # Falls keine spezifischen Release-Notes gefunden wurden, erstelle Standard-Text
            if [ ! -s release_notes.txt ]; then
              echo "## Version $VERSION" > release_notes.txt
              echo "" >> release_notes.txt
              echo "### Änderungen" >> release_notes.txt
              echo "- Neue Version veröffentlicht" >> release_notes.txt
              echo "" >> release_notes.txt
              echo "### Installation" >> release_notes.txt
              echo "\`\`\`bash" >> release_notes.txt
              echo "# Via pip" >> release_notes.txt
              echo "pip install bash-script-maker==$VERSION" >> release_notes.txt
              echo "" >> release_notes.txt
              echo "\`\`\`" >> release_notes.txt
            fi
          else
            echo "Keine CHANGELOG.md gefunden. Erstelle Standard-Release-Notes." > release_notes.txt
          fi
          
          # Zeige die Release-Notes zur Überprüfung
          echo "Release-Notes für Version $VERSION:"
          cat release_notes.txt

      - name: Create Release
        id: create_release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ steps.get_version.outputs.TAG_NAME }}
          name: Release ${{ steps.get_version.outputs.VERSION }}
          body_path: release_notes.txt
          draft: false
          prerelease: ${{ contains(steps.get_version.outputs.VERSION, '-') }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  build-and-upload-assets:
    name: Build and Upload Release Assets
    needs: create-release
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: Get version
        id: get_version
        run: |
          VERSION=${GITHUB_REF#refs/tags/v}
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT

      - name: Install build dependencies
        run: |
          python -m pip install --upgrade pip
          pip install build twine wheel setuptools

      - name: Build Python packages
        run: |
          python setup.py sdist bdist_wheel
          
      - name: Create source archive
        run: |
          VERSION=${{ steps.get_version.outputs.VERSION }}
          git archive --format=tar.gz --prefix=bash-script-maker-$VERSION/ HEAD > bash-script-maker-$VERSION-source.tar.gz

      - name: Upload Python wheel
        uses: softprops/action-gh-release@v1
        with:
          tag_name: v${{ steps.get_version.outputs.VERSION }}
          files: |
            dist/*.whl
            dist/*.tar.gz
            bash-script-maker-${{ steps.get_version.outputs.VERSION }}-source.tar.gz
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}


  publish-to-pypi:
    name: Publish to PyPI
    needs: [create-release, build-and-upload-assets]
    runs-on: ubuntu-latest
    if: ${{ !contains(github.ref_name, '-') }}  # Nur für stable releases, nicht pre-releases
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: Install build dependencies
        run: |
          python -m pip install --upgrade pip
          pip install build twine

      - name: Build packages
        run: python -m build

      - name: Publish to PyPI
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          password: ${{ secrets.PYPI_API_TOKEN }}
          skip-existing: true

  update-changelog:
    name: Update Changelog
    needs: [create-release, build-and-upload-assets]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Get version
        id: get_version
        run: |
          VERSION=${GITHUB_REF#refs/tags/v}
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT

      - name: Update CHANGELOG.md
        run: |
          VERSION=${{ steps.get_version.outputs.VERSION }}
          DATE=$(date +%Y-%m-%d)
          
          # Erstelle temporäre Datei mit aktualisiertem CHANGELOG
          awk -v version="$VERSION" -v date="$DATE" '
            /^## \[Unreleased\]/ {
              print $0
              print ""
              print "### Added"
              print ""
              print "### Changed"
              print ""
              print "### Fixed"
              print ""
              print "## [" version "] - " date
              next
            }
            { print }
          ' CHANGELOG.md > CHANGELOG_temp.md
          
          mv CHANGELOG_temp.md CHANGELOG.md

      - name: Commit CHANGELOG update
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add CHANGELOG.md
          git commit -m "docs: update CHANGELOG for release v${{ steps.get_version.outputs.VERSION }}" || exit 0
          git push