version-and-release.yml

name: Auto Version and Release

on:
  push:
    branches: [ "main" ]
  pull_request:
    types: [ closed ]
    branches: [ "main" ]

jobs:
  version-and-release:
    if: github.event_name == 'push' || (github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'main')
    runs-on: ubuntu-latest
    permissions:
      contents: write
      packages: write

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

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

      - name: Get current version
        id: current_version
        run: |
          VERSION=$(python3 -c "from version import get_version; print(get_version())")
          echo "current_version=$VERSION" >> $GITHUB_OUTPUT
          echo "Current version: $VERSION"

      - name: Increment version
        id: new_version
        run: |
          # Get the current version and increment patch number
          CURRENT_VERSION="${{ steps.current_version.outputs.current_version }}"
          IFS='.' read -ra VERSION_PARTS <<< "$CURRENT_VERSION"
          MAJOR=${VERSION_PARTS[0]}
          MINOR=${VERSION_PARTS[1]}
          PATCH=${VERSION_PARTS[2]}
          NEW_PATCH=$((PATCH + 1))
          NEW_VERSION="$MAJOR.$MINOR.$NEW_PATCH"
          echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "New version: $NEW_VERSION"
          
      - name: Update version in code
        run: |
          NEW_VERSION="${{ steps.new_version.outputs.new_version }}"
          sed -i "s/__version__ = \".*\"/__version__ = \"$NEW_VERSION\"/" version.py
          echo "Updated version.py with version $NEW_VERSION"

      - name: Generate changelog
        id: changelog
        run: |
          # Get the latest tag
          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$LATEST_TAG" ]; then
            echo "No previous tag found, getting all commits"
            COMMITS=$(git log --oneline --pretty=format:"- %s" HEAD)
          else
            echo "Getting commits since $LATEST_TAG"
            COMMITS=$(git log --oneline --pretty=format:"- %s" $LATEST_TAG..HEAD)
          fi
          
          # Create changelog
          {
            echo "## Changes in v${{ steps.new_version.outputs.new_version }}"
            echo ""
            if [ -n "$COMMITS" ]; then
              echo "$COMMITS"
            else
              echo "- Minor updates and improvements"
            fi
          } > CHANGELOG.md
          
          # Set output for release notes
          {
            echo 'changelog<<EOF'
            cat CHANGELOG.md
            echo EOF
          } >> $GITHUB_OUTPUT

      - name: Commit version update
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add version.py
          git commit -m "Bump version to v${{ steps.new_version.outputs.new_version }}" || echo "No changes to commit"
          git push

      - name: Create Git Tag
        run: |
          git tag "v${{ steps.new_version.outputs.new_version }}"
          git push origin "v${{ steps.new_version.outputs.new_version }}"

      - name: Create GitHub Release
        uses: ncipollo/release-action@v1
        with:
          tag: v${{ steps.new_version.outputs.new_version }}
          name: Release v${{ steps.new_version.outputs.new_version }}
          body: ${{ steps.changelog.outputs.changelog }}
          draft: false
          prerelease: false
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Log in to the GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ github.repository }}
          tags: |
            type=raw,value=latest
            type=raw,value=v${{ steps.new_version.outputs.new_version }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}