name: Build Docker Image

on:
  push:
    branches:    
      - develop
    paths:
      - .github/workflows/docker.yml
      - Dockerfile
      - frontend/**
      - backend/**
      - global/**
      - rootfs/**
  pull_request:
    paths:
      - .github/workflows/docker.yml
      - Dockerfile
      - frontend/**
      - backend/**
      - global/**
      - rootfs/**
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
        with:          
          platforms: arm64 #all

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v2
        with:
          driver-opts: env.BUILDKIT_STEP_LOG_MAX_SIZE=-1

      - name: Login to DockerHub
        if: ${{ github.event_name != 'pull_request' }}
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ github.token }}
          
      - name: Read .version file
        id: version
        run: echo "version=$(cat .version)" >> $GITHUB_OUTPUT
        
      - name: Set versions
        run: |
         sed -i 's/"0.0.0"/"${{ steps.version.outputs.version }}"/g' frontend/package.json
         cat frontend/package.json | grep "${{ steps.version.outputs.version }}"
         sed -i 's/"0.0.0"/"${{ steps.version.outputs.version }}"/g' backend/package.json
         cat backend/package.json | grep "${{ steps.version.outputs.version }}"
         
      - uses: actions/setup-node@v3
        with:
          node-version: 18
          
      - name: Prepair frontend
        run: |
         export NODE_OPTIONS=--openssl-legacy-provider
         npm install --global yarn
         cd frontend
         yarn install
         yarn build

      - name: Test Backend
        run: |
         export NODE_OPTIONS=--openssl-legacy-provider
         export DB_SQLITE_FILE=/home/runner/work/${{ github.event.repository.name }}/${{ github.event.repository.name }}/backend-test/dev.sqlite
         export NODE_ENV=dev
         mv global backend
         cp -r backend backend-test
         cd backend-test
         npm install --force
         timeout 10 node --abort_on_uncaught_exception --max_old_space_size=250 index.js || if [ "$?" == "124" ]; then exit 0; else exit 1; fi
         
      - name: Build
        uses: docker/build-push-action@v3
        if: ${{ github.event_name != 'pull_request' }}
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64 #,linux/amd64/v2,linux/amd64/v3,linux/amd64/v4 #,linux/ppc64le,linux/s390x,linux/386,linux/arm/v7,linux/arm/v6
          push: ${{ github.ref == 'refs/heads/develop' }}
          tags: | 
           ghcr.io/${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }}:${{ github.ref_name }}
           ${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }}:${{ github.ref_name }}
                
      - name: show version
        if: ${{ github.ref == 'refs/heads/develop' }}
        run: | 
         docker run --rm --entrypoint nginx ${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }}:${{ github.ref_name }} -V
         docker run --rm --entrypoint nginx ghcr.io/${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }}:${{ github.ref_name }} -V

      - name: Set PR-Number (PR)
        if: ${{ github.event_name == 'pull_request' }}
        id: pr
        run: echo "pr=$(echo pr-${{ github.ref_name }} | sed "s/refs\/pull\/://g" | sed "s/\/merge//g")" >> $GITHUB_OUTPUT

      - name: Build (PR)
        uses: docker/build-push-action@v3
        if: ${{ github.event_name == 'pull_request' }}
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64 #,linux/amd64/v2,linux/amd64/v3,linux/amd64/v4 #,linux/ppc64le,linux/s390x,linux/386,linux/arm/v7,linux/arm/v6
          push: ${{ github.event_name == 'pull_request' }}
          tags: ghcr.io/${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }}:${{ steps.pr.outputs.pr }}
                
      - name: show version (PR)
        if: ${{ github.event_name == 'pull_request' }}
        run: docker run --rm --entrypoint nginx ghcr.io/${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }}:${{ steps.pr.outputs.pr }} -V
          
      - name: add comment (PR)
        uses: mshick/add-pr-comment@v2
        if: ${{ github.event_name == 'pull_request' }}
        with:
          message: "The Docker Image can now be found here: `ghcr.io/${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }}:${{ steps.pr.outputs.pr }}`"
          repo-token: ${{ github.token }}