pr-validation.yml

name: PR Validation

on:
  pull_request:
    branches:
      - main
    paths-ignore:
      - '**.md'
      - 'docs/**'
      - '.vscode/**'
      - '.editorconfig'

env:
  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
  DOTNET_CLI_TELEMETRY_OPTOUT: true
  DOTNET_NOLOGO: true

permissions:
  contents: read
  pull-requests: write
  checks: write

jobs:
  validate-pr:
    name: Validate PR
    runs-on: ubuntu-latest
    timeout-minutes: 30

    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0 # Full history for GitVersion

      - name: Setup .NET
        uses: actions/setup-dotnet@v5
        with:
          dotnet-version: |
            9.0.x
            10.0.x
          cache: true
          cache-dependency-path: |
            **/packages.lock.json
            global.json

      - name: Install GitVersion
        uses: gittools/actions/gitversion/setup@v4
        with:
          versionSpec: '6.x'

      - name: Run GitVersion
        id: gitversion
        uses: gittools/actions/gitversion/execute@v4

      - name: Set version
        id: version
        run: |
          VERSION="${{ steps.gitversion.outputs.nuGetVersionV2 }}"
          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
          echo "📦 Version: $VERSION"

      - name: Restore dependencies
        run: |
          dotnet restore --use-lock-file
          dotnet tool restore

      - name: Build solution
        run: |
          dotnet build PatternKit.slnx \
            --configuration Release \
            --no-restore \
            /p:ContinuousIntegrationBuild=true \
            /p:Deterministic=true

      - name: Run tests
        run: |
          dotnet test PatternKit.slnx \
            --configuration Release \
            --no-build \
            --verbosity normal \
            --logger "trx;LogFileName=test-results.trx" \
            --collect:"XPlat Code Coverage" \
            --results-directory ./TestResults \
            -- DataCollectionRunSettings.DataCollectors.DataCollector.Configuration.Format=opencover

      - name: Publish test results
        uses: EnricoMi/publish-unit-test-result-action@v2
        if: always()
        with:
          files: |
            TestResults/**/*.trx
          check_name: Test Results

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v6
        if: always()
        with:
          files: ./TestResults/**/coverage.opencover.xml
          flags: unittests
          name: pr-${{ github.event.pull_request.number }}
          fail_ci_if_error: false
        env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

      - name: Build Documentation
        run: |
          dotnet tool update -g docfx
          docfx metadata docs/docfx.json
          docfx build docs/docfx.json

      - name: Dry-run NuGet packaging
        run: |
          echo "📦 Performing dry-run of NuGet packaging..."

          mkdir -p ./dry-run-packages

          # Package all library projects
          for project in src/PatternKit.Core \
                        src/PatternKit.Generators \
                        src/PatternKit.Generators.Abstractions; do
            if [ -d "$project" ]; then
              echo "  Packing $project..."
              dotnet pack "$project" \
                --configuration Release \
                --no-build \
                --output ./dry-run-packages \
                /p:PackageVersion=${{ steps.version.outputs.VERSION }} \
                /p:RepositoryUrl=https://github.com/JerrettDavis/PatternKit \
                /p:RepositoryType=git \
                /p:ContinuousIntegrationBuild=true || echo "  ⚠️  Failed to pack $project"
            fi
          done

          echo ""
          echo "📊 Dry-run packaging summary:"
          ls -lh ./dry-run-packages/*.nupkg 2>/dev/null || echo "  No packages created"

      - name: Upload dry-run artifacts
        uses: actions/upload-artifact@v7
        if: always()
        with:
          name: dry-run-artifacts-${{ github.event.pull_request.number }}
          path: |
            ./dry-run-packages/
          retention-days: 7

      - name: Create PR comment
        uses: actions/github-script@v9
        if: always()
        with:
          script: |
            const body = `## 🔍 PR Validation Results

            **Version:** \`${{ steps.version.outputs.VERSION }}\`

            ### ✅ Validation Steps
            - [x] Build solution
            - [x] Run tests
            - [x] Build documentation
            - [x] Dry-run NuGet packaging

            ### 📊 Artifacts
            Dry-run artifacts have been uploaded and will be available for 7 days.

            ---
            *This comment was automatically generated by the PR validation workflow.*
            `;

            // Find existing comment
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
            });

            const botComment = comments.find(comment =>
              comment.user.type === 'Bot' &&
              comment.body.includes('PR Validation Results')
            );

            if (botComment) {
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: botComment.id,
                body: body
              });
            } else {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body: body
              });
            }