# Some refs :
# - Starting : https://docs.docker.com/ci-cd/github-actions/
# - More details here : https://github.com/marketplace/actions/build-and-push-docker-images#update-dockerhub-repo-description
# - Variables (contexts) : https://docs.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions#github-context

name: Docker Hub

on:
  push:
    branches:
      - master
    tags:
      - "v*.*.*"

jobs:

  ##############
  # JOB - build-publish-alpine
  #

  build-publish-alpine:
    name: Build, Publish alpine
    environment: prod
    runs-on: ubuntu-latest
    steps:

    - name: Checkout
      uses: actions/checkout@v4

    ##############
    # Python is used to get the program's version and generate tags
    #

    - name: Set up Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.x'

    - name: Generate tags
      run: |
        python -m pip install --upgrade pip
        pip install -c constraints.txt -r requirements-build.txt
        # Stores a variable for each variant as needed
        echo ALPINE_TAGS=$(python3 setup.py -q docker_tags --image nicolabs/nicobot --variant alpine --ref ${{ github.ref }} --sep ,) >> $GITHUB_ENV
        # Also stores the computed version
        echo NICOBOT_VERSION=$(python3 setup.py --version) >> $GITHUB_ENV

    #
    ##############

    - name: Set up QEMU for multiarch
      uses: docker/setup-qemu-action@v2

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

    # https://github.community/t/worker-running-out-of-disk-space/18245 => not true anymore
    # https://github.com/actions/virtual-environments/issues/709#issuecomment-616751758 => apt clean does not hurt
    - name: Patch Docker Daemon data-root
      run: |
        sudo df -h
        sudo apt clean

    - name: Set up cache for Docker layers layers
      uses: actions/cache@v3.3.1
      with:
          path: /tmp/.buildx-cache
          # Change CACHE_VERSION to clear all caches ; see https://github.community/t/how-to-clear-cache-in-github-actions/129038/5
          key: ${{ secrets.CACHE_VERSION }}-${{ runner.os }}-buildx-alpine-${{ github.sha }}
          # See https://docs.github.com/en/actions/guides/caching-dependencies-to-speed-up-workflows#matching-a-cache-key
          restore-keys: |
            ${{ runner.os }}-buildx-alpine-

    - name: Login to Docker Hub
      uses: docker/login-action@v1
      with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

    - name: Build and push alpine
      id: docker_build_alpine
      uses: docker/build-push-action@v4
      with:
          context: ./
          file: ./alpine.Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/arm/v7,linux/arm64,linux/386,linux/amd64
          push: true
          tags: ${{ env.ALPINE_TAGS }}
          labels: |
            version=${{ env.NICOBOT_VERSION }}
            github.sha:${{ github.sha }}
          cache-from: type=local,src=/tmp/.buildx-cache
          # mode=max to cache intermediate layers : https://github.com/docker/buildx#--cache-tonametypetypekeyvalue
          cache-to: type=local,dest=/tmp/.buildx-cache

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



  ##############
  # JOB - build-publish-debian
  #

  build-publish-debian:
    name: Build, Publish debian
    environment: prod
    runs-on: ubuntu-latest
    # FIXME Does not work because GA thinks it's secret stuff
    #outputs:
    #  digest: ${{ steps.docker_build_debian.outputs.digest }}
    steps:

    - name: Checkout
      uses: actions/checkout@v4

    ##############
    # Python is used to get the program's version and generate tags
    #

    - name: Set up Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.x'

    - name: Generate tags
      run: |
        python -m pip install --upgrade pip
        pip install -c constraints.txt -r requirements-build.txt
        # Stores a variable for each variant as needed
        echo DEBIAN_TAGS=$(python3 setup.py -q docker_tags --image nicolabs/nicobot --variant debian --ref ${{ github.ref }} --sep ,) >> $GITHUB_ENV
        # Also stores the computed version
        echo NICOBOT_VERSION=$(python3 setup.py --version) >> $GITHUB_ENV

    #
    ##############

    - name: Set up QEMU for multiarch
      uses: docker/setup-qemu-action@v2

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

    # https://github.community/t/worker-running-out-of-disk-space/18245 => not true anymore
    # https://github.com/actions/virtual-environments/issues/709#issuecomment-616751758 => apt clean does not hurt
    - name: Patch Docker Daemon data-root
      run: |
        sudo df -h
        sudo apt clean

    - name: Set up cache for Docker layers layers
      uses: actions/cache@v3.3.1
      with:
          path: /tmp/.buildx-cache
          # Change CACHE_VERSION to clear all caches ; see https://github.community/t/how-to-clear-cache-in-github-actions/129038/5
          key: ${{ secrets.CACHE_VERSION }}-${{ runner.os }}-buildx-debian-debian-${{ github.sha }}
          # See https://docs.github.com/en/actions/guides/caching-dependencies-to-speed-up-workflows#matching-a-cache-key
          restore-keys: |
            ${{ runner.os }}-buildx-debian-

    - name: Login to Docker Hub
      uses: docker/login-action@v1
      with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

    - name: Build and push debian
      id: docker_build_debian
      uses: docker/build-push-action@v4
      with:
          context: ./
          file: ./debian.Dockerfile
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/arm/v7,linux/arm64,linux/386,linux/amd64
          push: true
          tags: ${{ env.DEBIAN_TAGS }}
          labels: |
            version=${{ env.NICOBOT_VERSION }}
            github.sha:${{ github.sha }}
          cache-from: type=local,src=/tmp/.buildx-cache
          # mode=max to cache intermediate layers : https://github.com/docker/buildx#--cache-tonametypetypekeyvalue
          cache-to: type=local,dest=/tmp/.buildx-cache,mode=max

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



  ##############
  # JOB - build-publish-signaldebian
  #

  build-publish-signaldebian:
    name: Build, Publish signal-debian
    needs:
      - build-publish-debian
    environment: prod
    runs-on: ubuntu-latest
    steps:

    - name: Checkout
      uses: actions/checkout@v4

    ##############
    # Python is used to get the program's version and generate tags
    #

    - name: Set up Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.x'

    - name: Generate tags
      run: |
        python -m pip install --upgrade pip
        pip install -c constraints.txt -r requirements-build.txt
        # Stores a variable for each variant as needed
        echo DEBIAN_TAGS=$(python3 setup.py -q docker_tags --image nicolabs/nicobot --variant debian --ref ${{ github.ref }} --sep ,) >> $GITHUB_ENV
        echo NICOBOT_DEBIAN_FROM=$(python3 setup.py -q docker_tags --image nicolabs/nicobot --variant debian --ref ${{ github.ref }} --sep '\n' | head -1) >> $GITHUB_ENV
        echo SIGNAL_DEBIAN_TAGS=$(python3 setup.py -q docker_tags --image nicolabs/nicobot --variant signal-debian --ref ${{ github.ref }} --sep ,) >> $GITHUB_ENV
        # Also stores the computed version
        echo NICOBOT_VERSION=$(python3 setup.py --version) >> $GITHUB_ENV

    #
    ##############

    - name: Set up QEMU for multiarch
      uses: docker/setup-qemu-action@v2

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

    # https://github.community/t/worker-running-out-of-disk-space/18245 => not true anymore
    # https://github.com/actions/virtual-environments/issues/709#issuecomment-616751758 => apt clean does not hurt
    - name: Patch Docker Daemon data-root
      run: |
        sudo df -h
        sudo apt clean

    - name: Set up cache for Docker layers layers
      uses: actions/cache@v3.3.1
      with:
          path: /tmp/.buildx-cache
          # Change CACHE_VERSION to clear all caches ; see https://github.community/t/how-to-clear-cache-in-github-actions/129038/5
          key: ${{ secrets.CACHE_VERSION }}-${{ runner.os }}-buildx-debian-signaldebian-${{ github.sha }}
          # See https://docs.github.com/en/actions/guides/caching-dependencies-to-speed-up-workflows#matching-a-cache-key
          restore-keys: |
            ${{ runner.os }}-buildx-debian-

    - name: Login to Docker Hub
      uses: docker/login-action@v1
      with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

    - name: Build and push signal-debian
      id: docker_build_signal_debian
      uses: docker/build-push-action@v4
      with:
          context: ./
          file: ./signal-debian.Dockerfile
          build-args: |
            NICOBOT_DEBIAN_FROM=${{ env.NICOBOT_DEBIAN_FROM }}
          builder: ${{ steps.buildx.outputs.name }}
          platforms: linux/arm/v7,linux/arm64,linux/386,linux/amd64
          push: true
          tags: ${{ env.SIGNAL_DEBIAN_TAGS }}
          labels: |
            version=${{ env.NICOBOT_VERSION }}
            github.sha:${{ github.sha }}
          cache-from: type=local,src=/tmp/.buildx-cache
          # mode=max to cache intermediate layers : https://github.com/docker/buildx#--cache-tonametypetypekeyvalue
          cache-to: type=local,dest=/tmp/.buildx-cache

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



  ##############
  # POST STEP
  #

  post:
    name: Update repo
    needs:
      - build-publish-alpine
      - build-publish-debian
      - build-publish-signaldebian
    environment: prod
    runs-on: ubuntu-latest
    steps:

    - name: Checkout
      uses: actions/checkout@v4

    # https://github.com/peter-evans/dockerhub-description
    - name: Update repo description
      uses: peter-evans/dockerhub-description@v3
      with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
          repository: nicolabs/nicobot