name: Plugin E2E Tests

on:
  workflow_call:
    inputs:
      node-version:
        description: 'Node.js version to use'
        required: false
        type: string
        default: '22'
      headlamp-version:
        description: 'Headlamp version to deploy for E2E testing'
        required: false
        type: string
        default: 'v0.40.1'

jobs:
  e2e:
    runs-on: runners-privilegedescalation
    timeout-minutes: 15

    env:
      E2E_NAMESPACE: headlamp-dev
      E2E_RELEASE: headlamp-e2e
      HEADLAMP_VERSION: ${{ inputs.headlamp-version }}

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: ${{ inputs.node-version }}
          cache: 'npm'

      - name: Setup kubectl
        uses: azure/setup-kubectl@v4

      - name: Get kubeconfig
        run: |
          set -euo pipefail
          in_cluster=false
          if [ -f /var/run/secrets/kubernetes.io/serviceaccount/token ]; then
            in_cluster=true
          fi
          if [ -f /runner/config ]; then
            echo "KUBECONFIG=/runner/config" >> "$GITHUB_ENV"
          elif [ -f /home/runner/.kube/config ]; then
            echo "KUBECONFIG=/home/runner/.kube/config" >> "$GITHUB_ENV"
          elif [ -f "${HOME:-}/.kube/config" ]; then
            echo "KUBECONFIG=${HOME:-}/.kube/config" >> "$GITHUB_ENV"
          elif [ "$in_cluster" = true ]; then
            KUBECFG_DIR="${HOME:-}/.kube"
            mkdir -p "$KUBECFG_DIR"
            kubectl config set-cluster in-cluster \
              --server="https://${KUBERNETES_SERVICE_HOST:-kubernetes.default.svc}:${KUBERNETES_SERVICE_PORT:-443}" \
              --certificate-authority=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt \
              --embed-certs=true \
              --kubeconfig="$KUBECFG_DIR/config" 2>&1
            kubectl config set-credentials in-cluster \
              --token="$(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" \
              --kubeconfig="$KUBECFG_DIR/config" 2>&1
            kubectl config set-context in-cluster \
              --cluster=in-cluster \
              --user=in-cluster \
              --kubeconfig="$KUBECFG_DIR/config" 2>&1
            kubectl config use-context in-cluster \
              --kubeconfig="$KUBECFG_DIR/config" 2>&1
            echo "KUBECONFIG=$KUBECFG_DIR/config" >> "$GITHUB_ENV"
          else
            echo "::error::No kubeconfig found"
            exit 1
          fi

      - name: Install dependencies
        run: npm ci

      - name: Build plugin
        run: npx @kinvolk/headlamp-plugin build

      - name: Deploy E2E Headlamp instance
        run: scripts/deploy-e2e-headlamp.sh

      - name: Load E2E environment
        run: |
          if [ -f .env.e2e ]; then
            cat .env.e2e >> "$GITHUB_ENV"
          else
            echo "::error::deploy-e2e-headlamp.sh did not produce .env.e2e"
            exit 1
          fi

      - name: Install Playwright browsers
        run: npx playwright install --with-deps chromium

      - name: Run E2E tests
        run: npm run e2e
        env:
          HEADLAMP_URL: ${{ env.HEADLAMP_URL }}
          HEADLAMP_TOKEN: ${{ env.HEADLAMP_TOKEN }}

      - name: Collect deployment diagnostics on failure
        if: failure()
        run: |
          echo "=== Pod state ==="
          kubectl get pods -n "$E2E_NAMESPACE" -l "app.kubernetes.io/instance=$E2E_RELEASE" 2>&1 || true
          echo "=== Pod describe ==="
          kubectl describe pods -n "$E2E_NAMESPACE" -l "app.kubernetes.io/instance=$E2E_RELEASE" 2>&1 || true
          echo "=== Recent namespace events ==="
          kubectl get events -n "$E2E_NAMESPACE" --sort-by='.lastTimestamp' 2>&1 | tail -20 || true

      - name: Teardown E2E instance
        if: always()
        run: scripts/teardown-e2e-headlamp.sh

      - name: Upload Playwright report
        uses: actions/upload-artifact@v7
        if: failure()
        with:
          name: playwright-report
          path: playwright-report/
          retention-days: 7

      - name: Upload test results
        uses: actions/upload-artifact@v7
        if: failure()
        with:
          name: test-results
          path: test-results/
          retention-days: 7