name: CI

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  verify:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '21'
          cache: 'gradle'
      - name: Build with Gradle
        run: ./gradlew build

  publish:
    runs-on: ubuntu-latest
    needs: verify
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'

    permissions:
      contents: read
      packages: write
      attestations: write
      id-token: write

    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '21'
          cache: 'gradle'
      - name: Build with Gradle
        run: ./gradlew build
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ghcr.io/${{ github.repository_owner }}/memevizor:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max