name: "Setup Docker"

inputs:
  username:
    description: "Username"
    required: true
  password:
    description: "Password"
    required: true
  ghcr_username:
    description: "GHCR username. Usually set from the github.actor variable"
    required: true
  ghcr_password:
    description: "GHCR password. Usually set from the secrets.GITHUB_TOKEN variable"
    required: true

runs:
  using: "composite"
  steps:
    - name: Get Short SHA
      id: vars
      run: |
        echo "sha_short=${GITHUB_SHA::7}" >> $GITHUB_ENV
      shell: bash

    - name: Set up QEMU
      # https://github.com/docker/setup-qemu-action/releases/tag/v3.6.0
      uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392

    - name: Set up Docker Buildx
      # https://github.com/docker/setup-buildx-action/releases/tag/v3.10.0
      uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2
      with:
        version: latest

    - name: Login to DockerHub
      if: ${{ github.event_name == 'release' || github.event_name == 'push' && github.ref == 'refs/heads/master' && inputs.password != ''  }}
      # https://github.com/docker/login-action/releases/tag/v3.4.0
      uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772
      with:
        username: ${{ inputs.username }}
        password: ${{ inputs.password }}

    - name: Login to GitHub Container Registry
      if: ${{ github.event_name == 'release' || github.event_name == 'push' && github.ref == 'refs/heads/master' && inputs.ghcr_password != ''  }}
      # https://github.com/docker/login-action/releases/tag/v3.4.0
      uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772
      with:
        registry: ghcr.io
        username: ${{ inputs.ghcr_username }}
        password: ${{ inputs.ghcr_password }}