name: Build & Push Docker Image
run-name: ${{ gitea.actor }} is building and pushing a docker image

on:
  push:
    branches:
      - master
      - staging
      - dev
  pull_request:
    branches:
      - master
      - staging
      - dev

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Get Current Version Number
        id: version
        run: echo "VERSION=$(node -p "require('./package.json').version")" >> $GITHUB_ENV

      - name: Create Docker Tag From Branch
        id: tag
        run: |
          # master branch uses version as tag, otherwise use branch name

          if [[ "${{ gitea.ref_name }}" == "master" ]]; then
            TAG="${{ env.VERSION }}"
          else
            TAG="${{ gitea.ref_name }}"
          fi

          echo "TAG=$TAG" >> $GITHUB_ENV

      - name: Build Docker Image
        run: docker build -t relay:${{ env.TAG }} .

      - name: Login to Docker Registry
        run: echo ${{ secrets.DOCKER_TOKEN }} | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin

      - name: Tag & Push Docker Image
        run: |
          docker tag relay:${{ env.TAG }} xordk/relay:${{ env.TAG }}
          docker push xordk/relay:${{ env.TAG }}

          # If on master, push an additional "latest" tag

          if [[ "${{ gitea.ref_name }}" == "master" ]]; then
            docker tag relay:${{ env.TAG }} xordk/relay:latest
            docker push xordk/relay:latest
          fi