name: CI

on:
  pull_request:
    paths-ignore:
      - '**/*.md'
      - 'README*'
      - 'LICENSE*'
      - 'shell.nix*'
  push:
    branches:
      - master
    paths-ignore:
      - '**/*.md'
      - 'README*'
      - 'LICENSE*'
      - 'shell.nix*'
  release:
    types: [published]

jobs:
  build:
    timeout-minutes: 10
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          lfs: false

      - name: Set up JDK
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: '17'
          cache: maven

      - name: Build and test
        run: mvn -B verify

  docker:
    timeout-minutes: 10
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: actions/checkout@v4
        with:
          lfs: true

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

      - name: Log in to Docker Hub
        if: github.event_name == 'push' || github.event_name == 'release'
        uses: docker/login-action@v3
        with:
          username: kruhlmann
          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}

      - name: Build & push latest
        if: github.event_name == 'push'
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: kruhlmann/imgfloat:latest

      - name: Build & push release tag
        if: github.event_name == 'release'
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: kruhlmann/imgfloat:${{ github.event.release.tag_name }}