### This workflow setup instance then build and push images ###
name: 4testing multiarch-build

on:
  push:
    tags:
      - "v*"

env: 
  COMPANY_NAME: "onlyoffice"
  PRODUCT_NAME: "documentserver"
      
jobs:
  build:
    name: "Build image: DocumentServer${{ matrix.edition }}"
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        images: ["documentserver"]
        edition: ["", "-ee", "-de"]
    steps:
      - name: Checkout code 
        uses: actions/checkout@v3

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

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v2
     
      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Get Tag Name
        run: |
          echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV

      - name: Build 4testing
        run: |
          ### ==>> At this step build variable declaration ###
          DOCKER_TAG=$( echo ${{ env.RELEASE_VERSION }} | sed 's/^.//' )
          PACKAGE_VERSION=$( echo $DOCKER_TAG | sed -E 's/(.*)\./\1-/' )
          NODE_PLATFORMS=$( echo ${{ steps.buildx.outputs.platforms }} | sed 's/linux\///g' | sed 's/,/ /g' )
          EXPECTED_PLATFORMS="linux/amd64,linux/arm64"
          echo "Start check avalivable build platforms >>"

          ### ==>> In this loop we will check all avalivable documentserver architectures. After that all accessed arch will be added to build-platforms list. ###
          for ARCH in ${NODE_PLATFORMS}; do
            REPO_URL=${{ secrets.REPO_URL }} 
            if [[ ${{ env.RELEASE_VERSION }} == v99.* ]]; then
              REPO_URL=${{ secrets.UNSTABLE_REPO_URL }}
              DEVELOP_BUILD=true
            fi
            PACKAGE_URL_CHECK=${REPO_URL}${{ matrix.edition }}_"$PACKAGE_VERSION"_${ARCH}.deb
            STATUS=$(curl -s -o /dev/null -w "%{http_code}\n" "${PACKAGE_URL_CHECK}")
            if [[ "$STATUS" = "200" ]]; then
              echo "✔  ${ARCH} is avalivable >> set like one of build platforms"
              PLATFORMS+=(linux/${ARCH},)
              BUILD_PLATFORMS=$( echo ${PLATFORMS[@]} | sed 's/ //g' | sed 's/\(.*\),/\1/' )
            else
              echo "Х ${ARCH} in not avalivable"
            fi
          done
          PACKAGE_URL_BUILD=$( echo ${PACKAGE_URL_CHECK} | sed -e "s/${PACKAGE_VERSION}_.*.deb/${PACKAGE_VERSION}_TARGETARCH.deb/g" )

          ### ==>> At this step if there is no access to any platform and platform list is empty, build will exit with 1. ###  
          if [[ -z ${BUILD_PLATFORMS} ]]; then
            echo "Have no access to any platform >> exit with 1"
            exit 1
          fi
          echo "DONE: Check passed >> Build for platforms: ${BUILD_PLATFORMS}"
          echo "Build is starting ... >>"

          ### == >> Set exit code for action
          if [ ${BUILD_PLATFORMS} == ${EXPECTED_PLATFORMS} ]; then
            EXIT_CODE=0
            echo "OK: Build platforms is expected"
          else
            EXIT_CODE=1
            echo "WARNING: Build platforms is unexpected action is gonna be marked as Failed" 
          fi

          ### ==>> Build and push images at this step ### 
          PRODUCT_EDITION=${{ matrix.edition }} \
          PACKAGE_URL=$PACKAGE_URL_BUILD \
          PRODUCT_NAME=${{ env.PRODUCT_NAME }} \
          DOCKERFILE=Dockerfile \
          PREFIX_NAME=4testing- \
          TAG=$DOCKER_TAG \
          PLATFORM=$BUILD_PLATFORMS \
          COMPANY_NAME=${{ env.COMPANY_NAME }} \
          DEVELOP_BUILD=$DEVELOP_BUILD \
            docker buildx bake \
            -f docker-bake.hcl ${{ matrix.images }} \
            --push
          echo "DONE: Build success >> exit with ${EXIT_CODE}"
          exit ${EXIT_CODE}
        shell: bash