name: CI Verification

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

# Cancel redundant, in-progress runs for the same branch or PR
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  verify:
    name: Build & Test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '21'
          cache: 'gradle'

      - name: Verify with Gradle
        # The 'build' command will compile, run tests, and package the app.
        # If any step fails, the workflow will fail, protecting your main branch.
        run: ./gradlew build