name: "build and push image"
inputs:
  dockerfile:
    description: "dockerfile to build"
    required: true
  image-name:
    description: "image name (without registry)"
    required: true
  username:
    required: false
    default: ""
  password:
    required: false
    default: ""
outputs:
  branch:
    description: "Branch name for the PR"
    value: ${{ steps.branch.outputs.branch }}

runs:
  using: "composite"
  steps:
    # gcloud
    # https://github.com/pezkuwichain/ci_cd/wiki/GitHub:-Push-Docker-image-to-GCP-Registry
    - name: "Set up Cloud SDK"
      uses: "google-github-actions/setup-gcloud@e427ad8a34f8676edf47cf7d7925499adf3eb74f" # v2.2.1
    - name: "gcloud info"
      shell: bash
      run: "gcloud info"
    - name: "Auth in gcloud registry"
      shell: bash
      run: "gcloud auth configure-docker europe-docker.pkg.dev --quiet"

    - name: build
      shell: bash
      env:
        ZOMBIENET_IMAGE: "docker.io/pezkuwichain/zombienet:v1.3.105"
        IMAGE_TAG: europe-docker.pkg.dev/parity-ci-2024/temp-images/${{ inputs.image-name }}
      run: |
        export DOCKER_IMAGES_VERSION=${{ github.event.pull_request.head.sha || 'master' }}
        if [[ ${{ github.event_name }} == "merge_group" ]]; then export DOCKER_IMAGES_VERSION="${GITHUB_SHA::8}"; fi
        docker build \
          --build-arg VCS_REF="${GITHUB_SHA}" \
          --build-arg BUILD_DATE="$(date -u '+%Y-%m-%dT%H:%M:%SZ')" \
          --build-arg IMAGE_NAME="${{ inputs.image-name }}" \
          --build-arg ZOMBIENET_IMAGE="${ZOMBIENET_IMAGE}" \
          -t "${{ env.IMAGE_TAG }}:$DOCKER_IMAGES_VERSION" \
          -f ${{ inputs.dockerfile }} \
          .
        docker push "${{ env.IMAGE_TAG }}:$DOCKER_IMAGES_VERSION"

    - name: login to dockerhub
      id: login
      # fork check
      if: ${{ inputs.username != '' && inputs.password != '' && github.event_name != 'merge_group' }}
      uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1 # v3.5.0
      with:
        username: ${{ inputs.username }}
        password: ${{ inputs.password }}

    - name: push to dockerhub
      shell: bash
      if: ${{ inputs.username != '' && inputs.password != '' && github.event_name != 'merge_group' }}
      env:
        GITHUB_PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
      run: |
        export DOCKERHUB_TAG=docker.io/paritypr/${{ inputs.image-name }}:${{ github.event.pull_request.number || 'master' }}
        if [[ ${{ github.event_name }} == "pull_request" ]]; then export DOCKERHUB_TAG=$DOCKERHUB_TAG-${GITHUB_PR_HEAD_SHA::8}; fi
        if [[ ${{ github.event_name }} == "push" ]]; then export DOCKERHUB_TAG=$DOCKERHUB_TAG-${GITHUB_SHA::8}; fi
        #
        docker tag "europe-docker.pkg.dev/parity-ci-2024/temp-images/${{ inputs.image-name }}:${{ github.event.pull_request.head.sha || 'master' }}" $DOCKERHUB_TAG
        docker push $DOCKERHUB_TAG