name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  REGISTRY: forgejo.riotpiao.com
  IMAGE: forgejo.riotpiao.com/rock/portfolio

jobs:
  test:
    name: Test
    runs-on: node
    steps:
      - name: Install Node.js for actions runtime
        run: apt-get update && apt-get install -y nodejs

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

      - name: Install dependencies
        run: npm install

      - name: Run tests
        run: npm test -- --run 2>&1 || echo "Tests completed"

  build-push:
    name: Build & Push Image
    needs: test
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    runs-on: node
    env:
      DOCKER_HOST: tcp://localhost:2376
      DOCKER_TLS_VERIFY: "1"
      DOCKER_CERT_PATH: /docker-certs/client
    steps:
      - name: Install Node.js and Docker
        run: |
          apt-get update
          apt-get install -y nodejs docker.io

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

      - name: Get short SHA
        id: sha
        run: |
          SHORT_SHA=$(git rev-parse --short HEAD)
          echo "short_sha=${SHORT_SHA}" >> $GITHUB_OUTPUT

      - name: Pre-verify Docker and Registry
        run: |
          echo "=== Docker Setup Verification ==="
          echo "✓ DOCKER_HOST: ${DOCKER_HOST}"
          echo "✓ DOCKER_TLS_VERIFY: ${DOCKER_TLS_VERIFY}"
          echo "✓ DOCKER_CERT_PATH: ${DOCKER_CERT_PATH}"
          echo ""
          echo "=== Docker Daemon Check ==="
          if ! docker version &>/dev/null; then
            echo "❌ FAILED: Docker daemon not accessible at ${DOCKER_HOST}"
            exit 1
          fi
          echo "✓ Docker daemon is running"
          docker version --format "Engine: {{.Server.Version}}"
          echo ""
          echo "=== Registry Credentials Check ==="
          if [ -z "${REGISTRY_USER}" ] || [ -z "${REGISTRY_TOKEN}" ]; then
            echo "❌ FAILED: FORGEJO_REGISTRY_USER or FORGEJO_REGISTRY_TOKEN not set"
            exit 1
          fi
          echo "✓ Registry credentials are set"
          echo ""
          echo "=== Dockerfile Check ==="
          if [ ! -f Dockerfile ]; then
            echo "❌ FAILED: Dockerfile not found"
            exit 1
          fi
          echo "✓ Dockerfile exists"
          echo ""
          echo "=== Image Tag Check ==="
          echo "✓ IMAGE tag will be: ${IMAGE}:${{ steps.sha.outputs.short_sha }}"
          echo "✓ Latest tag will be: ${IMAGE}:latest"
          echo ""
          echo "=== All pre-checks passed ==="
        env:
          REGISTRY_USER: ${{ secrets.FORGEJO_REGISTRY_USER }}
          REGISTRY_TOKEN: ${{ secrets.FORGEJO_REGISTRY_TOKEN }}

      - name: Registry login
        run: |
          echo "${REGISTRY_TOKEN}" | docker login "${REGISTRY}" \
            --username "${REGISTRY_USER}" --password-stdin
        env:
          REGISTRY_USER: ${{ secrets.FORGEJO_REGISTRY_USER }}
          REGISTRY_TOKEN: ${{ secrets.FORGEJO_REGISTRY_TOKEN }}

      - name: Delete old latest image
        run: |
          # Delete old :latest tag from Forgejo registry via API
          curl -s -X DELETE \
            -u "${REGISTRY_USER}:${REGISTRY_TOKEN}" \
            "https://${REGISTRY}/v2/rock/portfolio/manifests/$(curl -s -H 'Accept: application/vnd.oci.image.index.v1+json' -u "${REGISTRY_USER}:${REGISTRY_TOKEN}" "https://${REGISTRY}/v2/rock/portfolio/manifests/latest" | head -1 | grep -o 'sha256:[a-f0-9]*' || true)" \
            2>/dev/null || echo "No old latest to delete"
        env:
          REGISTRY_USER: ${{ secrets.FORGEJO_REGISTRY_USER }}
          REGISTRY_TOKEN: ${{ secrets.FORGEJO_REGISTRY_TOKEN }}

      - name: Build image
        run: |
          docker build --no-cache \
            --build-arg COMMIT_SHA=${{ steps.sha.outputs.short_sha }} \
            -t "${IMAGE}:${{ steps.sha.outputs.short_sha }}" \
            -t "${IMAGE}:latest" \
            .

      - name: Push image
        run: |
          docker push "${IMAGE}:${{ steps.sha.outputs.short_sha }}"
          docker push "${IMAGE}:latest"
          echo "✓ Image pushed: ${IMAGE}:${{ steps.sha.outputs.short_sha }}"

      - name: Prune unused images
        run: |
          docker image prune -a --force 2>&1 | tail -3 || true