release.yml

name: Release

on:
  push:
    branches: [ main ]
  workflow_dispatch:

env:
  DOTNET_VERSION: '10.0.x'

jobs:
  build:
    name: Build and Test
    runs-on: ubuntu-latest

    outputs:
      version: ${{ steps.version.outputs.version }}

    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: ${{ env.DOTNET_VERSION }}

      - name: Extract version from Directory.Build.props
        id: version
        run: |
          VERSION=$(grep -oPm1 "(?<=<Version>)[^<]+" Directory.Build.props)
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Version from Directory.Build.props: $VERSION"

      - name: Restore dependencies
        run: dotnet restore

      - name: Build
        run: dotnet build --configuration Release --no-restore

      - name: Test
        run: dotnet test --configuration Release --no-build --verbosity normal

      - name: Pack NuGet packages
        run: dotnet pack --configuration Release --no-build --output ./artifacts

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: nuget-packages
          path: |
            ./artifacts/*.nupkg
            ./artifacts/*.snupkg
          retention-days: 5

  publish-nuget:
    name: Publish to NuGet
    needs: build
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'

    outputs:
      published: ${{ steps.publish.outputs.published }}
      version: ${{ needs.build.outputs.version }}

    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Download artifacts
        uses: actions/download-artifact@v5
        with:
          name: nuget-packages
          path: ./artifacts

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: ${{ env.DOTNET_VERSION }}

      - name: Publish to NuGet
        id: publish
        continue-on-error: true
        env:
          NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}
        run: |
          set +e
          OUTPUT=""
          PUBLISHED=false

          for package in ./artifacts/*.nupkg; do
            echo "Publishing $package..."
            RESULT=$(dotnet nuget push "$package" \
              --api-key "$NUGET_API_KEY" \
              --source https://api.nuget.org/v3/index.json \
              --skip-duplicate 2>&1)
            EXIT_CODE=$?
            echo "$RESULT"
            OUTPUT="$OUTPUT$RESULT"

            if [ $EXIT_CODE -eq 0 ]; then
              echo "Successfully published $package"
              PUBLISHED=true
            elif echo "$RESULT" | grep -qi "already exists"; then
              echo "Package already exists, skipping..."
            else
              echo "Failed to publish $package"
              exit 1
            fi
          done

          if ls ./artifacts/*.snupkg 1> /dev/null 2>&1; then
            for symbols in ./artifacts/*.snupkg; do
              echo "Publishing symbols $symbols..."
              RESULT=$(dotnet nuget push "$symbols" \
                --api-key "$NUGET_API_KEY" \
                --source https://api.nuget.org/v3/index.json \
                --skip-duplicate 2>&1)
              EXIT_CODE=$?
              echo "$RESULT"

              if [ $EXIT_CODE -eq 0 ]; then
                echo "Successfully published symbols $symbols"
              elif echo "$RESULT" | grep -qi "already exists"; then
                echo "Symbols package already exists, skipping..."
              else
                echo "Failed to publish symbols package"
                exit 1
              fi
            done
          fi

          if [ "$PUBLISHED" = true ] || echo "$OUTPUT" | grep -q "Your package was pushed"; then
            echo "published=true" >> $GITHUB_OUTPUT
            echo "At least one package was successfully published"
          else
            echo "published=false" >> $GITHUB_OUTPUT
            echo "No new packages were published (all already exist)"
          fi

  create-release:
    name: Create GitHub Release and Tag
    needs: publish-nuget
    runs-on: ubuntu-latest
    if: needs.publish-nuget.outputs.published == 'true'

    steps:
      - name: Checkout
        uses: actions/checkout@v5
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Download artifacts
        uses: actions/download-artifact@v5
        with:
          name: nuget-packages
          path: ./artifacts

      - name: Create and push tag
        id: create_tag
        run: |
          VERSION="${{ needs.publish-nuget.outputs.version }}"
          TAG="v$VERSION"

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

          if git rev-parse "$TAG" >/dev/null 2>&1; then
            echo "Tag $TAG already exists"
            echo "tag_exists=true" >> $GITHUB_OUTPUT
          else
            echo "Creating tag $TAG"
            git tag -a "$TAG" -m "Release $VERSION"
            git push origin "$TAG"
            echo "tag_exists=false" >> $GITHUB_OUTPUT
          fi

      - name: Get previous tag
        id: prev_tag
        run: |
          CURRENT_TAG="v${{ needs.publish-nuget.outputs.version }}"
          PREVIOUS_TAG=$(git tag --sort=-version:refname | grep -A1 "^$CURRENT_TAG$" | tail -n1 || echo "")
          if [ "$PREVIOUS_TAG" = "$CURRENT_TAG" ] || [ -z "$PREVIOUS_TAG" ]; then
            PREVIOUS_TAG=$(git tag --sort=-version:refname | grep -v "^$CURRENT_TAG$" | head -n1 || echo "")
          fi
          echo "previous_tag=$PREVIOUS_TAG" >> $GITHUB_OUTPUT
          echo "Current tag: $CURRENT_TAG"
          echo "Previous tag: $PREVIOUS_TAG"

      - name: Generate release notes
        id: release_notes
        run: |
          VERSION="${{ needs.publish-nuget.outputs.version }}"
          CURRENT_TAG="v$VERSION"
          PREVIOUS_TAG="${{ steps.prev_tag.outputs.previous_tag }}"

          echo "# Release $VERSION" > release_notes.md
          echo "" >> release_notes.md
          echo "Released on $(date +'%Y-%m-%d')" >> release_notes.md
          echo "" >> release_notes.md

          if [ -n "$PREVIOUS_TAG" ]; then
            echo "## 📋 Changes since $PREVIOUS_TAG" >> release_notes.md
            echo "" >> release_notes.md

            echo "### ✨ Features" >> release_notes.md
            git log --pretty=format:"- %s (%h)" $PREVIOUS_TAG..HEAD --grep="^feat" --grep="^feature" >> release_notes.md || true
            echo "" >> release_notes.md

            echo "### 🐛 Bug Fixes" >> release_notes.md
            git log --pretty=format:"- %s (%h)" $PREVIOUS_TAG..HEAD --grep="^fix" --grep="^bugfix" >> release_notes.md || true
            echo "" >> release_notes.md

            echo "### 📚 Documentation" >> release_notes.md
            git log --pretty=format:"- %s (%h)" $PREVIOUS_TAG..HEAD --grep="^docs" --grep="^doc" >> release_notes.md || true
            echo "" >> release_notes.md

            echo "### 🔧 Other Changes" >> release_notes.md
            git log --pretty=format:"- %s (%h)" $PREVIOUS_TAG..HEAD --invert-grep --grep="^feat" --grep="^feature" --grep="^fix" --grep="^bugfix" --grep="^docs" --grep="^doc" >> release_notes.md || true
            echo "" >> release_notes.md
          else
            echo "## 🎉 Initial Release" >> release_notes.md
            echo "" >> release_notes.md
            echo "### Recent Changes" >> release_notes.md
            git log --pretty=format:"- %s (%h)" --max-count=20 >> release_notes.md
            echo "" >> release_notes.md
          fi

          echo "" >> release_notes.md
          echo "## 📦 NuGet Packages" >> release_notes.md
          echo "" >> release_notes.md
          for package in ./artifacts/*.nupkg; do
            PACKAGE_NAME=$(basename "$package" .nupkg)
            BASE_NAME=$(echo "$PACKAGE_NAME" | sed "s/\.$VERSION//")
            echo "- [$BASE_NAME v$VERSION](https://www.nuget.org/packages/$BASE_NAME/$VERSION)" >> release_notes.md
          done

          echo "" >> release_notes.md
          echo "---" >> release_notes.md
          echo "*This release was automatically created by GitHub Actions*" >> release_notes.md

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: v${{ needs.publish-nuget.outputs.version }}
          name: v${{ needs.publish-nuget.outputs.version }}
          body_path: release_notes.md
          draft: false
          prerelease: false
          files: |
            ./artifacts/*.nupkg
            ./artifacts/*.snupkg
          token: ${{ secrets.GITHUB_TOKEN }}