name: "Java SDK Tests"

on:
  push:
    branches:
      - main
    paths:
      - "java/**"
      - "test/**"
      - ".github/workflows/java-sdk-tests.yml"
      - ".github/actions/setup-copilot/**"
      - ".github/actions/java-test-report/**"
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review]
    paths:
      - "java/**"
      - "test/**"
      - ".github/workflows/java-sdk-tests.yml"
      - ".github/actions/setup-copilot/**"
      - ".github/actions/java-test-report/**"
      - "!**/*.md"
      - "!**/LICENSE*"
      - "!**/.gitignore"
      - "!**/.editorconfig"
      - "!**/*.png"
      - "!**/*.jpg"
      - "!**/*.jpeg"
      - "!**/*.gif"
      - "!**/*.svg"
  workflow_dispatch:
  merge_group:

permissions:
  contents: read

jobs:
  java-sdk:
    name: "Java SDK Tests (JDK ${{ matrix.test-jdk }})"
    if: github.event.repository.fork == false

    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        test-jdk: ["25", "17"]
    defaults:
      run:
        shell: bash
        working-directory: ./java
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false

      - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
        with:
          java-version: "25"
          distribution: "microsoft"
          cache: "maven"

      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
        with:
          node-version: 22

      - name: Build SDK and set up test harness
        run: mvn test-compile jar:jar

      - name: Verify Javadoc generation
        if: matrix.test-jdk == '25'
        run: mvn javadoc:javadoc -q

      - name: Verify CLI works
        run: node ../nodejs/node_modules/@github/copilot/npm-loader.js --version

      - name: Run spotless check
        if: matrix.test-jdk == '25'
        run: |
          max_attempts=3
          for ((attempt=1; attempt<=max_attempts; attempt++)); do
            if mvn spotless:check; then
              echo "✅ spotless:check passed"
              exit 0
            fi
            if [ "$attempt" -lt "$max_attempts" ]; then
              echo "⚠️ spotless:check failed (attempt $attempt/$max_attempts), retrying in 10s..."
              sleep 10
            fi
          done
          echo "❌ spotless:check failed after $max_attempts attempts. Please run 'mvn spotless:apply' in java/"
          exit 1

      - name: Run Java SDK tests (JDK 25)
        if: matrix.test-jdk == '25'
        env:
          CI: "true"
        run: mvn verify -Dskip.test.harness=true

      - name: Switch to JDK 17
        if: matrix.test-jdk == '17'
        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
        with:
          java-version: "17"
          distribution: "microsoft"

      - name: Run Java SDK tests (JDK 17, no recompilation)
        if: matrix.test-jdk == '17'
        env:
          CI: "true"
        run: |
          echo "Running tests against JDK 25-built classes using JDK 17 runtime..."
          java -version
          mvn jacoco:prepare-agent@wire-up-coverage-instrumentation antrun:run@print-test-jdk-banner surefire:test failsafe:integration-test failsafe:verify jacoco:report@build-coverage-report-from-tests -Denforcer.skip=true

      - name: Upload test results for site generation
        if: success() && github.ref == 'refs/heads/main' && matrix.test-jdk == '25'
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
        with:
          name: test-results-for-site
          path: |
            java/target/jacoco-test-results/sdk-tests.exec
            java/target/surefire-reports/
            java/target/surefire-reports-isolated/
          retention-days: 1

      - name: Generate Test Report Summary
        if: always()
        uses: ./.github/actions/java-test-report
        with:
          title: "Copilot Java SDK :: Test Results JDK ${{ matrix.test-jdk }}"

      - name: Upload test results on failure
        if: failure()
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
        with:
          name: java-test-results-jdk-${{ matrix.test-jdk }}
          path: |
            java/target/surefire-reports/
            java/target/surefire-reports-isolated/
            java/target/failsafe-reports/
          retention-days: 7