name: Nightly Build

on:
  schedule:
    # Run every night at 2 AM UTC
    - cron: "0 2 * * *"
  workflow_dispatch:
    inputs:
      force_build:
        description: "Force build even if no changes"
        required: false
        default: "false"
        type: boolean

env:
  REGISTRY: gitea-http.taildb3494.ts.net
  IMAGE_NAME: will/unitforge

jobs:
  check-changes:
    runs-on: ubuntu-latest
    outputs:
      should_build: ${{ steps.changes.outputs.should_build }}
      commit_sha: ${{ steps.changes.outputs.commit_sha }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: Check for changes
        id: changes
        run: |
          # Get the latest commit from the last 24 hours
          YESTERDAY=$(date -d "24 hours ago" --iso-8601)
          RECENT_COMMITS=$(git log --since="$YESTERDAY" --format="%H" | wc -l)

          FORCE_BUILD="${{ github.event.inputs.force_build }}"

          if [[ "$FORCE_BUILD" == "true" ]] || [[ $RECENT_COMMITS -gt 0 ]]; then
            echo "should_build=true" >> $GITHUB_OUTPUT
            echo "Found $RECENT_COMMITS commits in the last 24 hours or force build requested"
          else
            echo "should_build=false" >> $GITHUB_OUTPUT
            echo "No changes in the last 24 hours, skipping build"
          fi

          echo "commit_sha=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT

  nightly-tests:
    needs: check-changes
    runs-on: ubuntu-latest
    if: needs.check-changes.outputs.should_build == 'true'

    strategy:
      matrix:
        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install uv
        uses: astral-sh/setup-uv@v3
        with:
          version: "latest"

      - name: Set up Python ${{ matrix.python-version }}
        run: uv python install ${{ matrix.python-version }}

      - name: Install dependencies
        run: |
          uv venv --python ${{ matrix.python-version }}
          uv pip install -e ".[dev]"

      - name: Run comprehensive tests
        run: |
          source .venv/bin/activate

          # Run all checks
          make lint
          make type-check
          make security-check
          make test-cov

          # Additional nightly-specific tests
          echo "Running extended test suite..."
          python -m pytest tests/ -v --durations=10 --tb=short

      - name: Upload coverage for Python ${{ matrix.python-version }}
        uses: codecov/codecov-action@v3
        if: matrix.python-version == '3.11'
        with:
          file: ./htmlcov/coverage.xml
          flags: nightly-${{ matrix.python-version }}

  build-nightly:
    needs: [check-changes, nightly-tests]
    runs-on: ubuntu-latest
    if: needs.check-changes.outputs.should_build == 'true'

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: network=host

      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.CONTAINER_REGISTRY_USERNAME }}
          password: ${{ secrets.CONTAINER_REGISTRY_PASSWORD }}

      - name: Generate nightly tags
        id: tags
        run: |
          COMMIT_SHA="${{ needs.check-changes.outputs.commit_sha }}"
          DATE=$(date +%Y%m%d)
          SHORT_SHA=${COMMIT_SHA:0:7}

          echo "nightly_tag=nightly-${DATE}-${SHORT_SHA}" >> $GITHUB_OUTPUT
          echo "nightly_latest=nightly-latest" >> $GITHUB_OUTPUT

      - name: Verify vendor assets
        run: |
          assets=(
            "frontend/static/vendor/bootstrap/css/bootstrap.min.css"
            "frontend/static/vendor/bootstrap/js/bootstrap.bundle.min.js"
            "frontend/static/vendor/fontawesome/css/all.min.css"
            "frontend/static/vendor/fontawesome/webfonts/fa-solid-900.woff2"
            "frontend/static/img/osi-logo.svg"
          )

          for asset in "${assets[@]}"; do
            if [ ! -f "$asset" ]; then
              echo "Error: Missing required asset: $asset"
              exit 1
            fi
          done
          echo "All vendor assets verified"

      - name: Build and push nightly image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.tags.outputs.nightly_tag }}
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.tags.outputs.nightly_latest }}
          labels: |
            org.opencontainers.image.title=UnitForge Nightly
            org.opencontainers.image.description=Nightly build of UnitForge
            org.opencontainers.image.version=nightly-${{ steps.tags.outputs.nightly_tag }}
            org.opencontainers.image.revision=${{ needs.check-changes.outputs.commit_sha }}
            org.opencontainers.image.created=${{ github.event.repository.pushed_at }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            BUILDKIT_INLINE_CACHE=1

  performance-test:
    needs: [check-changes, build-nightly]
    runs-on: ubuntu-latest
    if: needs.check-changes.outputs.should_build == 'true'

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Run performance tests
        run: |
          # Pull the nightly image
          docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:nightly-latest

          # Start the container
          docker run -d --name unitforge-perf \
            -p 8000:8000 \
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:nightly-latest

          # Wait for startup
          sleep 15

          # Basic performance test
          echo "Running basic performance test..."
          for i in {1..10}; do
            curl -s -o /dev/null -w "%{http_code} %{time_total}s\n" \
              http://localhost:8000/
          done

          # Memory usage check
          echo "Checking memory usage..."
          docker stats unitforge-perf --no-stream --format "table {{.Container}}\t{{.CPUPerc}}\t{{.MemUsage}}"

          # Cleanup
          docker stop unitforge-perf
          docker rm unitforge-perf

  security-scan-nightly:
    needs: [check-changes, build-nightly]
    runs-on: ubuntu-latest
    if: needs.check-changes.outputs.should_build == 'true'

    steps:
      - name: Run comprehensive security scan
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:nightly-latest
          format: "sarif"
          output: "trivy-nightly.sarif"

      - name: Upload security scan results
        uses: github/codeql-action/upload-sarif@v2
        if: always()
        with:
          sarif_file: "trivy-nightly.sarif"

      - name: Generate security report
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:nightly-latest
          format: "json"
          output: "security-report.json"

      - name: Upload security report
        uses: actions/upload-artifact@v3
        with:
          name: nightly-security-report
          path: security-report.json

  cleanup-old-nightlies:
    needs: [check-changes, build-nightly]
    runs-on: ubuntu-latest
    if: needs.check-changes.outputs.should_build == 'true'

    steps:
      - name: Clean up old nightly images
        run: |
          echo "Cleaning up nightly images older than 7 days..."

          # Note: This would require registry API access or container registry-specific tools
          # For now, we'll just log what would be cleaned

          CUTOFF_DATE=$(date -d "7 days ago" +%Y%m%d)
          echo "Would clean images tagged before: nightly-${CUTOFF_DATE}"

          # Add actual cleanup logic here based on your registry
          # Examples:
          # - Use registry API to list and delete old tags
          # - Use container registry CLI tools
          # - Use registry-specific cleanup policies

  notify-results:
    needs:
      [
        check-changes,
        nightly-tests,
        build-nightly,
        performance-test,
        security-scan-nightly,
      ]
    runs-on: ubuntu-latest
    if: always() && needs.check-changes.outputs.should_build == 'true'

    steps:
      - name: Generate build report
        run: |
          echo "## Nightly Build Report - $(date)" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "| Component | Status |" >> $GITHUB_STEP_SUMMARY
          echo "|-----------|--------|" >> $GITHUB_STEP_SUMMARY
          echo "| Tests | ${{ needs.nightly-tests.result == 'success' && '✅ Passed' || '❌ Failed' }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Build | ${{ needs.build-nightly.result == 'success' && '✅ Passed' || '❌ Failed' }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Performance | ${{ needs.performance-test.result == 'success' && '✅ Passed' || '❌ Failed' }} |" >> $GITHUB_STEP_SUMMARY
          echo "| Security | ${{ needs.security-scan-nightly.result == 'success' && '✅ Passed' || '❌ Failed' }} |" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          if [[ "${{ needs.nightly-tests.result }}" == "success" && "${{ needs.build-nightly.result }}" == "success" ]]; then
            echo "🌙 Nightly build completed successfully!" >> $GITHUB_STEP_SUMMARY
            echo "📦 Image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:nightly-latest" >> $GITHUB_STEP_SUMMARY
          else
            echo "❌ Nightly build encountered issues. Check failed jobs above." >> $GITHUB_STEP_SUMMARY
          fi

      - name: Send notification
        if: failure()
        run: |
          echo "🚨 Nightly build failed!"
          echo "Check the workflow run for details: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"

          # Add notification logic here (webhook, email, Slack, etc.)