name: CI

on:
  pull_request:
    branches: ["main"] # Or your main development branch

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

jobs:
  validate-chart:
    name: Validate Helm Chart
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@v3

      - name: Set up Helm
        uses: azure/setup-helm@v3
        with:
          version: v3.10.0

      - name: Helm Lint
        run: helm lint ./charts/iperf3-monitor

  build:
    name: Build Docker Image
    runs-on: ubuntu-latest
    permissions:
      contents: read # Needed to checkout the repository
      packages: write # Needed to push Docker images to GHCR
    steps:
      - name: Check out code
        uses: actions/checkout@v3

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

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            # Tag with the PR number if it's a pull request event
            type=match,pattern=pull_request,value=pr-{{number}}
            # Tag with the git SHA
            type=sha,prefix=
            # Tag with 'latest' if on the main branch (though this workflow only runs on PRs to main)
            type=ref,event=branch,pattern=main,value=latest

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build Docker image
        uses: docker/build-push-action@v4
        with:
          context: ./exporter
          # Push the image if the event is a pull request.
          # The workflow currently only triggers on pull_request events.
          push: ${{ github.event_name == 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64

  test:
    name: Run Tests
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@v3

      # Replace this step with your actual test command(s)
      - name: Placeholder Test Step
        run: echo "No tests configured yet. Add your test commands here."