name: Build and Push Docker Image

on:
  push:
    branches:
      - "**"

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Compute image tag
        id: tag
        run: |
          BRANCH="${{ gitea.ref_name }}"

          if [ "$BRANCH" = "main" ]; then
            TAG="latest"
          elif [[ "$BRANCH" == v* ]]; then
            TAG="$BRANCH"
          else
            TAG="test"
          fi

          echo "tag=$TAG" >> $GITHUB_OUTPUT

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: blinkfink182/qbt-gluetun-portmgr:${{ steps.tag.outputs.tag }}