name: Container Build and Publish

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

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up JDK 25
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: '25'
          cache: maven

      - name: Build and test with Maven
        run: ./mvnw -B verify

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha,prefix={{branch}}-
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Log in to GitHub Container Registry
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64,linux/arm64

      - name: Test Docker image
        if: github.event_name == 'pull_request'
        run: |
          docker build -t spring-petclinic-test .
          docker run -d --name petclinic-test -p 8080:8080 \
            -e SPRING_PROFILES_ACTIVE=h2 \
            spring-petclinic-test
          echo "Waiting for application to start..."
          sleep 45
          echo "Testing health endpoint..."
          curl -f http://localhost:8080/actuator/health || exit 1
          echo "Health check passed!"
          docker stop petclinic-test
          docker rm petclinic-test