name: Push Docker Image with VersionNumber

on:
  push:
    branches: 
      - master
      - testGit
      - main
jobs:
  push:

    runs-on: ubuntu-latest
    steps:

    - uses: actions/checkout@v3
    
    - name: Set up JDK 17
      uses: actions/setup-java@v3
      with:
        java-version: '17'
        distribution: 'temurin'
    

    - uses: gradle/gradle-build-action@v2.3.3
      with:
        gradle-version: 7.6
        arguments: clean build

    - name: Make Gradle wrapper executable
      run: chmod +x gradlew
      
    - name: Get version number
      id: versionNumber
      run: echo "::set-output name=versionNumber::$(./gradlew printVersion --quiet | tail -1)"
    
    - name: Login to Docker Hub
      uses: docker/login-action@v2.1.0
      with:
        username: ${{ secrets.DOCKER_HUB_USERNAME }}
        password: ${{ secrets.DOCKER_HUB_API }} 
   
    - name: Check if tag exists
      id: checkIdExists
      continue-on-error: true
      run: |
        response=$(curl -s https://hub.docker.com/v2/repositories/frooodle/s-pdf/tags/?name=${{ steps.versionNumber.outputs.versionNumber }})
        result=$(echo $response | jq ".results")
        if [ "$result" == "[]" ]; then
          echo "Tag ${{ steps.versionNumber.outputs.versionNumber }} doesnt exist. Continuing with build and push."
        else
          echo "Tag ${{ steps.versionNumber.outputs.versionNumber }} already exists. Skipping build and push."
          exit 1;
        fi

   
   
    - name: Setup buildx
      run: |
        docker buildx create --name mybuilder
        docker buildx use mybuilder
        
    - name: Build and push versioned amd64 and v8 
      if: github.ref == 'refs/heads/main' && steps.checkIdExists.outcome != 'failure'
      run: | 
        docker buildx build --platform="linux/amd64,linux/arm64/v8" --push --tag "frooodle/s-pdf:${{ steps.versionNumber.outputs.versionNumber }}" .

   
    - name: Build and push latest amd64 and v8
      if: github.ref == 'refs/heads/master'
      run: | 
        docker buildx build --platform="linux/amd64,linux/arm64/v8" --push --tag "frooodle/s-pdf:latest" .