name: Build, test and push Docker image

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  release:
    types: [published]

env:
  TEST_TAG: pico_test_sdk

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set up QEMU (for ARM builds)
        uses: docker/setup-qemu-action@v3

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

      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ github.actor }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      - name: Build Docker image (multi-arch, no push)
        uses: docker/build-push-action@v6
        id: build
        with:
          context: .
          platforms: linux/amd64
          push: false
          load: true  # Allows testing the image locally
          tags: ${{ env.TEST_TAG }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Run Tests (from built image)
        run: bash ./test_sdk.sh ${{ env.TEST_TAG }}

  push-image:
    needs: build-and-test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ github.actor }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      - name: Build and Push Docker image (multi-arch)
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: lukstep/raspberry-pi-pico-sdk:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max