release.yml

name: Release DataConnect Python Package

on:
  push:
    branches: [ main ]
  workflow_dispatch:
    inputs:
      version:
        description: 'Version to release (leave empty for auto from pyproject.toml)'
        required: false
        default: ''

concurrency:
  group: ${{ github.event.pull_request.number || github.ref }}-release
  cancel-in-progress: true

jobs:
  build-and-release:
    runs-on: ubuntu-latest

    permissions:
      contents: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0
          fetch-tags: true
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: '3.13'

      - name: Install Poetry
        uses: snok/install-poetry@v1
        with:
          virtualenvs-create: true
          virtualenvs-in-project: true

      - name: Get package info
        id: pkg-info
        run: |
          PKG_VERSION=$(grep '^version' pyproject.toml | head -1 | awk -F'"' '{print $2}')
          PKG_NAME=$(grep '^name' pyproject.toml | head -1 | awk -F'"' '{print $2}')
          echo "version=$PKG_VERSION" >> $GITHUB_OUTPUT
          echo "name=$PKG_NAME" >> $GITHUB_OUTPUT
          echo "Package: $PKG_NAME, Version: $PKG_VERSION"

      - name: Check existing tag
        id: check_tag
        run: |
          if git rev-parse "v${{ steps.pkg-info.outputs.version }}" >/dev/null 2>&1; then
            echo "tag_exists=true" >> $GITHUB_OUTPUT
            echo "Tag v${{ steps.pkg-info.outputs.version }} already exists, will not create duplicate"
          else
            echo "tag_exists=false" >> $GITHUB_OUTPUT
            echo "Tag v${{ steps.pkg-info.outputs.version }} does not exist yet"
          fi

      - name: Build package
        if: steps.check_tag.outputs.tag_exists != 'true'
        run: poetry build

      - name: Find previous tag
        id: find-previous-tag
        if: steps.check_tag.outputs.tag_exists != 'true'
        run: |
          PREVIOUS_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$PREVIOUS_TAG" ]; then
            echo "No previous tag found - will generate changelog from all commits"
            echo "previous_tag=" >> $GITHUB_OUTPUT
            echo "from_ref=$(git rev-list --max-parents=0 HEAD)" >> $GITHUB_OUTPUT
          else
            echo "Previous tag found: $PREVIOUS_TAG"
            echo "previous_tag=$PREVIOUS_TAG" >> $GITHUB_OUTPUT
            echo "from_ref=$PREVIOUS_TAG" >> $GITHUB_OUTPUT
          fi

      - name: Generate changelog
        id: generate-changelog
        if: steps.check_tag.outputs.tag_exists != 'true'
        run: |
          FROM_REF="${{ steps.find-previous-tag.outputs.from_ref }}"
          echo "Generating changelog from $FROM_REF to HEAD..."
          mkdir -p .github

          CURRENT_VERSION="${{ steps.pkg-info.outputs.version }}"
          CURRENT_DATE=$(date +"%Y-%m-%d")

          BRANCH_NAME=$(git branch --show-current 2>/dev/null || echo "")
          JIRA_TICKETS=$(echo "$BRANCH_NAME" | grep -o 'MCC-[0-9]*' | sort -u | tr '\n' ' ')

          echo "# Release Notes for v$CURRENT_VERSION ($CURRENT_DATE)" > .github/release-notes.md
          echo "" >> .github/release-notes.md

          if [ ! -z "$JIRA_TICKETS" ]; then
            echo "## Related Issues" >> .github/release-notes.md
            for ticket in $JIRA_TICKETS; do
              echo "- $ticket" >> .github/release-notes.md
            done
            echo "" >> .github/release-notes.md
          fi

          git log $FROM_REF..HEAD --pretty=format:"%s" > .github/all-commits.txt

          extract_commits() {
            local type=$1
            local emoji=$2
            local title=$3
            echo "## $emoji $title" > .github/section-$type.md
            grep -E "^$type(\([^)]*\))?!?:" .github/all-commits.txt | \
              sed -E "s/^$type(\([^)]*\))?!?:\s*/- /" >> .github/section-$type.md || true
            if [ $(wc -l < .github/section-$type.md) -gt 1 ]; then
              cat .github/section-$type.md >> .github/release-notes.md
              echo "" >> .github/release-notes.md
              return 0
            else
              return 1
            fi
          }

          extract_commits "feat" "🚀" "Features" || true
          extract_commits "fix" "🐛" "Bug Fixes" || true
          extract_commits "perf" "⚡" "Performance Improvements" || true
          extract_commits "refactor" "♻️" "Refactoring" || true
          extract_commits "docs" "📚" "Documentation" || true
          extract_commits "chore" "🔧" "Maintenance" || true
          extract_commits "ci" "👷" "CI/CD" || true

          OTHER_COMMITS=$(grep -vE "^(feat|fix|perf|refactor|docs|chore|ci)(\([^)]*\))?!?:" \
            .github/all-commits.txt | grep -v "^Merge " || true)
          if [ ! -z "$OTHER_COMMITS" ]; then
            echo "## 📝 Other Changes" >> .github/release-notes.md
            echo "$OTHER_COMMITS" | sed 's/^/- /' >> .github/release-notes.md
            echo "" >> .github/release-notes.md
          fi

          BREAKING=$(grep -E "^[a-z]+(\([^)]*\))?!:" .github/all-commits.txt || true)
          if [ ! -z "$BREAKING" ]; then
            echo "## ⚠️ Breaking Changes" >> .github/release-notes.md
            echo "$BREAKING" | sed 's/^/- /' >> .github/release-notes.md
            echo "" >> .github/release-notes.md
          fi

      - name: Display release notes
        if: steps.check_tag.outputs.tag_exists != 'true'
        run: |
          echo "--- Release Notes Content ---"
          cat .github/release-notes.md || echo "No release notes were generated"
          echo "-----------------------------"

      - name: Create Release
        if: steps.check_tag.outputs.tag_exists != 'true'
        uses: ncipollo/release-action@v1
        with:
          name: "Release ${{ steps.pkg-info.outputs.version }}"
          tag: "v${{ steps.pkg-info.outputs.version }}"
          commit: ${{ github.sha }}
          artifacts: "dist/*"
          bodyFile: .github/release-notes.md
          token: ${{ secrets.GITHUB_TOKEN }}
          draft: false
          prerelease: ${{ contains(steps.pkg-info.outputs.version, 'rc') || contains(steps.pkg-info.outputs.version, 'b') || contains(steps.pkg-info.outputs.version, 'a') }}
          skipIfReleaseExists: true