name: Best Practices

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  kube-score:
    name: Kube-score Analysis
    runs-on: ubuntu-latest
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install kubectl and kube-score
        run: |
          # Install kubectl
          curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
          chmod +x kubectl
          mv kubectl /usr/local/bin/

          # Install kube-score
          wget https://github.com/zegl/kube-score/releases/download/v1.18.0/kube-score_1.18.0_linux_amd64.tar.gz
          tar -xzf kube-score_1.18.0_linux_amd64.tar.gz
          chmod +x kube-score
          mv kube-score /usr/local/bin/

      - name: Run kube-score
        run: |
          if [ -f "kustomization.yaml" ]; then
            kubectl kustomize . | kube-score score - \
              --ignore-test pod-networkpolicy \
              --ignore-test deployment-has-poddisruptionbudget \
              --ignore-test container-security-context-user-group-id \
              --ignore-test container-security-context-readonlyrootfilesystem \
              --output-format ci
          fi

  polaris:
    name: Polaris Audit
    runs-on: ubuntu-latest
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install kubectl and polaris
        run: |
          # Install kubectl
          curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
          chmod +x kubectl
          mv kubectl /usr/local/bin/

          # Install polaris
          wget https://github.com/FairwindsOps/polaris/releases/download/9.5.0/polaris_linux_amd64.tar.gz
          tar -xzf polaris_linux_amd64.tar.gz
          chmod +x polaris
          mv polaris /usr/local/bin/

      - name: Run Polaris audit
        run: |
          if [ -f "kustomization.yaml" ]; then
            kubectl kustomize . > manifests.yaml
            polaris audit --audit-path manifests.yaml \
              --format pretty \
              --set-exit-code-on-danger \
              --set-exit-code-below-score 70
          fi

  resource-analysis:
    name: Resource Usage Analysis
    runs-on: ubuntu-latest
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install kubectl and yq
        run: |
          curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
          chmod +x kubectl
          mv kubectl /usr/local/bin/

          wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O yq
          chmod +x yq
          mv yq /usr/local/bin/

      - name: Analyze resource requests and limits
        run: |
          echo "# Resource Analysis Report"
          echo ""
          echo "## Applications Resource Configuration"
          echo ""
          echo "| Application | Container | CPU Request | CPU Limit | Memory Request | Memory Limit |"
          echo "|-------------|-----------|-------------|-----------|----------------|--------------|"

          # Find all directories with kustomization.yaml
          find . -maxdepth 2 -name "kustomization.yaml" | while read config; do
            app_dir=$(dirname "$config")
            if [ "$app_dir" != "." ]; then
               manifests=$(kubectl kustomize "$app_dir" 2>/dev/null)
               if [ -n "$manifests" ]; then
                 echo "$manifests" | yq eval-all '
                   select(.kind == "Deployment" or .kind == "StatefulSet") |
                   .spec.template.spec.containers[] |
                   "| '"$app_dir"' | \(.name) | \(.resources.requests.cpu // "none") | \(.resources.limits.cpu // "none") | \(.resources.requests.memory // "none") | \(.resources.limits.memory // "none") |"
                 ' - 2>/dev/null || true
               fi
            fi
          done

  pr-summary:
    name: PR Summary Report
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    needs: [kube-score, polaris, resource-analysis]
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Generate PR summary
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          GITEA_API: ${{ github.server_url }}/api/v1/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments
        run: |
          cat > summary.md << EOF
          ## Best Practices Validation Summary

          ✅ All validation checks completed

          ### Checks Run:
          - **kube-score**: Kubernetes best practices analysis
          - **Polaris**: Security and reliability audit
          - **Resource Analysis**: CPU and memory configuration review

          See individual job logs for detailed results.

          ---
          *Automated by Gitea Actions*
          EOF

          if [ -n "${GITEA_TOKEN}" ]; then
            jq -n --rawfile body summary.md '{body: $body}' > comment-payload.json

            curl -s -X POST \
              -H "Authorization: token ${GITEA_TOKEN}" \
              -H "Content-Type: application/json" \
              -d @comment-payload.json \
              "${GITEA_API}" || echo "Failed to post comment (token may not be configured)"
          else
            echo "GITEA_TOKEN not configured, skipping comment"
            cat summary.md
          fi