name: Publish Docker images

on:
  schedule:
    - cron: '0 10 * * *' # everyday at 10am
  push:
    branches:
      - '**'
  pull_request:

jobs:
  docker:
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        image: ['', fpm, fpm-alpine, fpm-alpine-nginx, fpm-alpine-nginx-composer]
        include:
          - image: ''
            file: Dockerfile
          - image: fpm
            file: fpm.Dockerfile
          - image: fpm-alpine
            file: fpm-alpine.Dockerfile
          - image: fpm-alpine-nginx
            file: fpm-alpine-nginx.Dockerfile
          - image: fpm-alpine-nginx-composer
            file: fpm-alpine-nginx-composer.Dockerfile
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Define tag name
        id: tag-name
        run: |
          if [ "${GITHUB_REF}" == "refs/heads/master" -a "${GITHUB_EVENT_NAME}" != "pull_request" ]; then
            curl -s https://api.github.com/repos/akaunting/akaunting/releases/latest \
              | jq -r .tag_name | sed \
            -e 's/^/::set-output name=tag::/'
          else
            echo -n "::set-output name=tag::"
            echo "$GITHUB_REF" | cut -d/ -f3- | tr '/' '_'
          fi
      - name: Define images tags
        id: image-tags
        run: |
          if [ "${GITHUB_REF}" == "refs/heads/master" -a "${GITHUB_EVENT_NAME}" != "pull_request" ]; then
            if [ -z ${{ matrix.image }} ]; then
              echo ${{ steps.tag-name.outputs.tag }} | sed \
                  -e 's/\(\(\([0-9]\+\)\.[0-9]\+\)\.[0-9]\+\)/\1,\2,\3,/' \
                  -e 's/\([^,]\+\),/akaunting\/akaunting:\1,/g' \
                  -e 's/^/::set-output name=tags::/' \
                  -e 's/$/akaunting\/akaunting:latest/'
            else
              echo ${{ steps.tag-name.outputs.tag }} | sed \
                -e 's/\(\(\([0-9]\+\)\.[0-9]\+\)\.[0-9]\+\)/\1-${{ matrix.image }},\2-${{ matrix.image }},\3-${{ matrix.image }},/' \
                -e 's/\([^,]\+\),/akaunting\/akaunting:\1,/g' \
                -e 's/^/::set-output name=tags::/'
            fi
          else
            if [ -z ${{ matrix.image }} ]; then
              echo -n "::set-output name=tags::akaunting/akaunting:"
              echo "$GITHUB_REF" | cut -d/ -f3- | tr '/' '_'
            else
              echo -n "::set-output name=tags::akaunting/akaunting:"
              echo "$(echo "$GITHUB_REF" | cut -d/ -f3- | tr '/' '_')-${{ matrix.image }}"
            fi
          fi
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build and push images
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./${{ matrix.file }}
          platforms: linux/amd64,linux/arm/v6,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.image-tags.outputs.tags }}