name: Docker build

on:
  workflow_call:
    inputs:
      projects:
        required: true
        type: string

jobs:
  master:
    strategy:
      fail-fast: false
      matrix:
        app: ${{ fromJSON(inputs.projects) }}
    name: ${{ matrix.app }}
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@v3

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

      - name: Available platforms
        run: echo ${{ steps.qemu.outputs.platforms }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      # https://docs.github.com/en/actions/learn-github-actions/contexts
      # https://github.com/actions/checkout#Checkout-pull-request-HEAD-commit-instead-of-merge-commit
      - name: Determine Docker Image tag
        id: tags
        run: |
          npmVersion=$(cat .nvmrc | head -n 1)
          versionTag=${{ startsWith(github.ref, 'refs/tags/') && github.ref_name || github.event.pull_request.head.sha }}
          echo ::set-output name=npmVersion::${npmVersion}
          echo ::set-output name=version::${versionTag}

      - name: Print config
        run: |
          git rev-parse --verify HEAD
          git status
          echo "steps.tags.outputs.version=${{ steps.tags.outputs.version }}"

      - name: Build and export to local Docker
        uses: docker/build-push-action@v3
        with:
          load: true
          build-args: |
            APP=${{ matrix.app }}
            NODE_VERSION=${{ steps.tags.outputs.npmVersion }}
          tags: |
            ghcr.io/vegaprotocol/frontend/${{ matrix.app }}:local

      - name: Sanity check docker image
        run: |
          echo "Check .env file"
          docker run --rm ghcr.io/vegaprotocol/frontend/${{ matrix.app }}:local cat .env
          echo "Check ipfs-hash"
          docker run --rm ghcr.io/vegaprotocol/frontend/${{ matrix.app }}:local cat ipfs-hash
          echo "List html directory"
          docker run --rm ghcr.io/vegaprotocol/frontend/${{ matrix.app }}:local ls -lah

      - name: Log in to the Container registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v3
        with:
          push: true
          build-args: |
            APP=${{ matrix.app }}
            NODE_VERSION=${{ steps.tags.outputs.npmVersion }}
          tags: |
            ghcr.io/vegaprotocol/frontend/${{ matrix.app }}:latest
            ghcr.io/vegaprotocol/frontend/${{ matrix.app }}:${{ steps.tags.outputs.version }}

      - name: Add preview label
        uses: actions-ecosystem/action-add-labels@v1
        if: ${{ github.event_name == 'pull_request' }}
        with:
          labels: ${{ matrix.app }}-preview
          number: ${{ github.event.number }}

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}