name: Benchmark on Emulator

on:
  push:
    branches: [testNIA]

jobs:
  benchmark-android:
    runs-on: ubuntu-latest
    timeout-minutes: 45 

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Free Disk Space
        run: |
          sudo rm -rf /usr/share/dotnet
          sudo rm -rf /opt/ghc
          sudo rm -rf "/usr/local/share/boost"
          # We do NOT delete $AGENT_TOOLSDIRECTORY here because that's where Java goes next

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

      - name: Grant execute permission for gradlew
        run: chmod +x gradlew

      - name: Enable KVM
        run: |
          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
          sudo udevadm control --reload-rules
          sudo udevadm trigger --name-match=kvm

      - name: Build Benchmark APKs
        run: |
          ./gradlew :app:assembleDemoBenchmark :benchmarks:assembleDemoBenchmark

      - name: Run Benchmarks & Record Video
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: 31
          target: google_apis
          arch: x86_64
          force-avd-creation: true
          # Added extra memory to prevent the "offline" crash
          emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -memory 3072
          disable-animations: true 
          script: |
            # Ensure the device is ready
            adb wait-for-device
            
            # Start recording (3 minute limit)
            adb shell screenrecord --time-limit 180 /sdcard/benchmark_video.mp4 &
            
            # Run the actual tests
            ./gradlew :benchmarks:connectedDemoBenchmarkAndroidTest \
              -Pandroid.testInstrumentationRunnerArguments.androidx.benchmark.suppressErrors=EMULATOR

            # Pull the video back to the runner
            sleep 2
            adb shell pkill -2 screenrecord || true
            sleep 5
            adb pull /sdcard/benchmark_video.mp4 benchmark_video.mp4

      # STEP 7: UPLOAD
      - name: Upload Artifacts
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: benchmark-results
          path: |
            benchmark_video.mp4
            benchmarks/build/outputs/connected_android_test_additional_output/