name: Publish Docker Image
jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:

      - name: Checkout base
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Set up docker buildx
        id: buildx
        uses: crazy-max/ghaction-docker-buildx@v2
        with:
          buildx-version: latest
          skip-cache: false
          qemu-version: latest

      - name: Docker login
        env:
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
        run: |
          echo "${DOCKER_PASSWORD}" | docker login --username "${DOCKER_USERNAME}" --password-stdin
      
      - name: Docker buildx image and push on master branch
        if: github.ref == 'refs/heads/master'
        run: |
          docker buildx build --output "type=image,push=true" --platform=linux/amd64,linux/arm/v7,linux/arm64 --tag tindy2013/subconverter:latest scripts/

      - name: Replace tag without `v`
        if: startsWith(github.ref, 'refs/tags/')
        uses: actions/github-script@v1
        id: version
        with:
          script: |
            return context.payload.ref.replace(/\/refs\/tags\//v, '')
          result-encoding: string

      - name: Docker buildx image and push on release
        if: startsWith(github.ref, 'refs/tags/')
        run: |
          docker buildx build --output "type=image,push=true" --platform=linux/amd64,linux/arm/v7,linux/arm64 --tag tindy2013/subconverter:${{steps.version.outputs.result}} scripts/
          docker buildx build --output "type=image,push=true" --platform=linux/amd64,linux/arm/v7,linux/arm64 --tag tindy2013/subconverter:latest scripts/