.github/workflows/auto-jdk-os-matrix.yml

name: JDK & OS Matrix Test

on:
  push:
    paths-ignore: [ '**/*.html', '**/*.md', '**/*.txt', '**/LICENSE', '**/NOTICE' ]
    branches: [ 'main', '[0-9]+.[0-9]+.[Xx]', 'v[0-9]+.[0-9]+.[Xx]']
  pull_request:
    paths-ignore: [ '**/*.html', '**/*.md', '**/*.txt', '**/LICENSE', '**/NOTICE' ]
    branches: [ 'main', '[0-9]+.[0-9]+.[Xx]', 'v[0-9]+.[0-9]+.[Xx]']
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  # PHASE 1: Replicate command-line compilation exactly
  build-artifacts:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Source Code
        uses: actions/checkout@v7

      - name: Install Build JDKs for Subproject Toolchains
        uses: actions/setup-java@v5
        with:
          java-version: |
            17
            21
          distribution: 'temurin'
          cache: 'maven'

      # Builds the isolated modules using their respective toolchains
      - name: Package All Versioned JARs
        run: mvn clean package -DskipTests=true -B

      # Archive the compiled artifacts and skeletal structure for Phase 2 testing
      - name: Archive Compiled Workspace
        uses: actions/upload-artifact@v7
        with:
          name: compiled-jars
          path: |
            pom.xml
            **/pom.xml
            **/target/*.jar
            **/src/test/resources/

# PHASE 2: Run isolated target matrix tests against the JARs
  matrix-test:
    needs: build-artifacts # <--- THIS makes Phase 2 flow sequentially after Phase 1
    strategy:
      fail-fast: false
      matrix:
        jdk: [ '17', '21', '25' ]
        os: [ windows-latest, ubuntu-latest, macos-latest ]
        include:
          - os: windows-latest
            arch: x64
          - os: ubuntu-latest
            arch: x64
          - os: macos-latest
            arch: aarch64

          - jdk: '17'
            distribution: 'temurin'
            jvm_args: >-
              --add-exports java.base/jdk.internal.misc=ALL-UNNAMED
              --add-exports java.base/jdk.internal.ref=ALL-UNNAMED

          - jdk: '21'
            distribution: 'temurin'
            jvm_args: >-
              --add-exports java.base/jdk.internal.misc=ALL-UNNAMED
              --add-exports java.base/jdk.internal.ref=ALL-UNNAMED

          - jdk: '25'
            distribution: 'temurin'
            jvm_args: >-
              --add-exports java.base/jdk.internal.misc=ALL-UNNAMED
              --add-exports java.base/jdk.internal.ref=ALL-UNNAMED

    # Reference your reusable workflow branch
    uses: apache/datasketches-java/.github/workflows/reusable-jdk-os-matrix.yml@reusable_workflows
    with:
      jdk_version: ${{ matrix.jdk }}
      os_type: ${{ matrix.os }}
      cpu_arch: ${{ matrix.arch }}
      jdk_distribution: ${{ matrix.distribution }}
      jvm_args: ${{ matrix.jvm_args }}