name: CI

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

env:
  REGISTRY: forgejo.riotpiao.com
  IMAGE: forgejo.riotpiao.com/rock/api-gateway

jobs:
  test:
    name: Test
    runs-on: golang
    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: Go vet
        run: go vet ./...

      - name: Go test -race
        run: go test ./... -race

      - name: Static build (smoke)
        run: CGO_ENABLED=0 go build -trimpath -o gateway ./cmd/gateway

  build-push:
    name: Build & Push Image
    needs: test
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    runs-on: golang
    steps:
      - name: Install Node.js and Docker
        run: |
          apt-get update
          apt-get install -y --no-install-recommends nodejs docker.io git

      - 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: Validate registry credentials
        run: |
          if [ -z "${{ secrets.FORGEJO_REGISTRY_USER }}" ] || [ -z "${{ secrets.FORGEJO_REGISTRY_TOKEN }}" ]; then
            echo "❌ ERROR: Registry secrets not configured"
            echo "Set FORGEJO_REGISTRY_USER and FORGEJO_REGISTRY_TOKEN in repo settings"
            exit 1
          fi
          echo "✓ Registry credentials configured"

      - name: Registry login
        run: |
          echo "${{ secrets.FORGEJO_REGISTRY_TOKEN }}" | docker login "${{ env.REGISTRY }}" \
            --username "${{ secrets.FORGEJO_REGISTRY_USER }}" --password-stdin
        env:
          DOCKER_CONFIG: /tmp/docker-config

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

      - name: Push Docker 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