name: Build

on:
  push:
    branches:
      - main
  pull_request:

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

jobs:
  test_and_apk:
    name: "Local tests and APKs"
    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write

    timeout-minutes: 60

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

      - name: Validate Gradle Wrapper
        uses: gradle/wrapper-validation-action@v3

      - name: Copy CI gradle.properties
        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties

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

      - name: Setup Gradle
        uses: gradle/gradle-build-action@v3

      - name: Check build-logic
        run: ./gradlew check -p build-logic

      - name: Check spotless
        run: ./gradlew spotlessCheck --init-script gradle/init.gradle.kts --no-configuration-cache

      - name: Check Dependency Guard
        id: dependencyguard_verify
        continue-on-error: true
        run: ./gradlew dependencyGuard

      - name: Prevent updating Dependency Guard baselines if this is a fork
        id: checkfork_dependencyguard
        continue-on-error: false
        if: steps.dependencyguard_verify.outcome == 'failure' && github.event.pull_request.head.repo.full_name != github.repository
        run: |
          echo "::error::Dependency Guard failed, please update baselines with: ./gradlew dependencyGuardBaseline" && exit 1

        # Runs if previous job failed
      - name: Generate new Dependency Guard baselines if verification failed and it's a PR
        id: dependencyguard_baseline
        if: steps.dependencyguard_verify.outcome == 'failure' && github.event_name == 'pull_request'
        run: |
          ./gradlew dependencyGuardBaseline

      - name: Push new Dependency Guard baselines if available
        uses: stefanzweifel/git-auto-commit-action@v5
        if: steps.dependencyguard_baseline.outcome == 'success'
        with:
          file_pattern: '**/dependencies/*.txt'
          disable_globbing: true
          commit_message: "🤖 Updates baselines for Dependency Guard"

      - name: Run all local screenshot tests (Roborazzi)
        id: screenshotsverify
        continue-on-error: true
        run: ./gradlew verifyRoborazziDemoDebug

      - name: Prevent pushing new screenshots if this is a fork
        id: checkfork_screenshots
        continue-on-error: false
        if: steps.screenshotsverify.outcome == 'failure' && github.event.pull_request.head.repo.full_name != github.repository
        run: |
          echo "::error::Screenshot tests failed, please create a PR in your fork first." && exit 1

      # Runs if previous job failed
      - name: Generate new screenshots if verification failed and it's a PR
        id: screenshotsrecord
        if: steps.screenshotsverify.outcome == 'failure' && github.event_name == 'pull_request'
        run: |
          ./gradlew recordRoborazziDemoDebug

      - name: Push new screenshots if available
        uses: stefanzweifel/git-auto-commit-action@v5
        if: steps.screenshotsrecord.outcome == 'success'
        with:
          file_pattern: '*/*.png'
          disable_globbing: true
          commit_message: "🤖 Updates screenshots"

      # Run local tests after screenshot tests to avoid wrong UP-TO-DATE. TODO: Ignore screenshots.
      - name: Run local tests and create report
        if: always()
        run: ./gradlew testDemoDebug :lint:test
      # Replace task exclusions with `-Pandroidx.baselineprofile.skipgeneration` when
      # https://android-review.googlesource.com/c/platform/frameworks/support/+/2602790 landed in a
      # release build

      - name: Build all build type and flavor permutations
        run: ./gradlew :app:assemble :benchmarks:assemble
          -x pixel6Api33ProdNonMinifiedReleaseAndroidTest
          -x pixel6Api33DemoNonMinifiedReleaseAndroidTest
          -x collectDemoNonMinifiedReleaseBaselineProfile
          -x collectProdNonMinifiedReleaseBaselineProfile

      - name: Upload build outputs (APKs)
        uses: actions/upload-artifact@v4
        with:
          name: APKs
          path: '**/build/outputs/apk/**/*.apk'

      - name: Upload JVM local results (XML)
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: local-test-results
          path: '**/build/test-results/test*UnitTest/**.xml'

      - name: Upload screenshot results (PNG)
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: screenshot-test-results
          path: '**/build/outputs/roborazzi/*_compare.png'

      - name: Check lint
        run: ./gradlew :app:lintProdRelease :app-nia-catalog:lintRelease :lint:lint

      - name: Upload lint reports (HTML)
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: lint-reports
          path: '**/build/reports/lint-results-*.html'

      - name: Check badging
        run: ./gradlew :app:checkProdReleaseBadging

  androidTest:
    runs-on: ubuntu-latest
    timeout-minutes: 55
    strategy:
      matrix:
        api-level: [26, 30]

    steps:
      - name: Delete unnecessary tools 🔧
        uses: jlumbroso/free-disk-space@v1.3.1
        with:
          android: false # Don't remove Android tools
          tool-cache: true # Remove image tool cache - rm -rf "$AGENT_TOOLSDIRECTORY"
          dotnet: true # rm -rf /usr/share/dotnet
          haskell: true # rm -rf /opt/ghc...
          swap-storage: true # rm -f /mnt/swapfile (4GiB)
          docker-images: false # Takes 16s, enable if needed in the future
          large-packages: false # includes google-cloud-sdk and it's slow

      - name: Enable KVM group perms
        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
          ls /dev/kvm

      - name: Checkout
        uses: actions/checkout@v4

      - name: Copy CI gradle.properties
        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties

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

      - name: Setup Gradle
        uses: gradle/gradle-build-action@v3

      - name: Build projects and run instrumentation tests
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: ${{ matrix.api-level }}
          arch: x86_64
          disable-animations: true
          disk-size: 6000M
          heap-size: 600M
          script: ./gradlew connectedDemoDebugAndroidTest --daemon

      - name: Run local tests (including Roborazzi) for the combined coverage report (only API 30)
        if: matrix.api-level == 30
        # There is no need to verify Roborazzi tests to generate coverage.
        run: ./gradlew testDemoDebugUnitTest -Proborazzi.test.verify=false # Add Prod if we ever add JVM tests for prod

      # Add `createProdDebugUnitTestCoverageReport` if we ever add JVM tests for prod
      - name: Generate coverage reports for Debug variants (only API 30)
        if: matrix.api-level == 30
        run: ./gradlew createDemoDebugCombinedCoverageReport
        
      - name: Upload test reports
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: test-reports-${{ matrix.api-level }}
          path: '**/build/reports/androidTests'

      - name: Display local test coverage (only API 30)
        if: matrix.api-level == 30
        id: jacoco
        uses: madrapps/jacoco-report@v1.6.1
        with:
          title: Combined test coverage report
          min-coverage-overall: 40
          min-coverage-changed-files: 60
          paths: |
            ${{ github.workspace }}/**/build/reports/jacoco/**/*Report.xml
          token: ${{ secrets.GITHUB_TOKEN }}
        
      - name: Upload local coverage reports (XML + HTML) (only API 30)
        if: matrix.api-level == 30
        uses: actions/upload-artifact@v4
        with:
          name: coverage-reports
          if-no-files-found: error
          compression-level: 1
          overwrite: false
          path: '**/build/reports/jacoco/'


  androidTestScreenshots:
    runs-on: ubuntu-latest
    timeout-minutes: 55
    strategy:
      matrix:
        include:
          - api-level: 27
            profile: pixel_5
            target: default
          - api-level: 33
            profile: pixel_fold
            target: google_apis
            # TODO: change from VanillaIceCream to 35 when that image is available
          - api-level: VanillaIceCream
            profile: pixel_fold
            target: google_apis

    steps:
      - name: Delete unnecessary tools 🔧
        uses: jlumbroso/free-disk-space@v1.3.1
        with:
          android: false # Don't remove Android tools
          tool-cache: true # Remove image tool cache - rm -rf "$AGENT_TOOLSDIRECTORY"
          dotnet: true # rm -rf /usr/share/dotnet
          haskell: true # rm -rf /opt/ghc...
          swap-storage: true # rm -f /mnt/swapfile (4GiB)
          docker-images: false # Takes 16s, enable if needed in the future
          large-packages: false # includes google-cloud-sdk and it's slow

      - name: Enable KVM group perms
        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
          ls /dev/kvm

      - name: Checkout
        uses: actions/checkout@v4

      - name: Copy CI gradle.properties
        run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties

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

      - name: Setup Gradle
        uses: gradle/gradle-build-action@v3

        # TODO this workflow needs cmdline-tools 13.0 (for pixel_fold). Remove when not necessary.
      - name: Setup Android SDK
        uses: android-actions/setup-android@v3
        with:
          cmdline-tools-version: 11479570

      # android-emulator-runner uses /latest
      - name: Replace cmdlinetools and set path
        run: |
          rm -rf ${{ env.ANDROID_HOME}}/cmdline-tools/latest
          mv ${{ env.ANDROID_HOME}}/cmdline-tools/11479570 ${{ env.ANDROID_HOME}}/cmdline-tools/latest
          echo ${{ env.ANDROID_HOME}}/cmdline-tools/latest/bin >> $GITHUB_PATH

      # https://github.com/ReactiveCircus/android-emulator-runner/issues/197
      - name: Create directory for AVD
        run: mkdir -p /home/runner/.android/avd

      - name: Build projects and run instrumented screenshot tests
        id: dropshotsverify
        continue-on-error: true
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: ${{ matrix.api-level }}
          target: ${{ matrix.target }}
          arch: x86_64
          disable-animations: true
          disk-size: 6000M
          emulator-build: 11834374 # 34.2.14
          heap-size: 600M
          profile: ${{ matrix.profile }}
          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
          # Run tests, if they fail, record screenshots and exit with a failure
          #TODO: Split the script in multiple lines (note that the action does some parsing that breaks multiline)
          script:
            ./gradlew :app:connectedDemoDebugAndroidTest -Pandroid.testInstrumentationRunnerArguments.annotation=com.google.samples.apps.nowinandroid.ui.InstrumentedScreenshotTests -i --daemon

      - name: Prevent pushing new screenshots if this is a fork
        id: checkfork_screenshots_instrumented
        continue-on-error: false
        if: steps.dropshotsverify.outcome == 'failure' && github.event.pull_request.head.repo.full_name != github.repository
        run: |
          echo "::error::Instrumented screenshot tests failed, please create a PR in your fork first." && exit 1

      - name: Record new screenshots if verification failed
        id: dropshotsverify
        continue-on-error: false
        if: steps.dropshotsverify.outcome == 'failure'
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: ${{ matrix.api-level }}
          target: ${{ matrix.target }}
          arch: x86_64
          disable-animations: true
          disk-size: 6000M
          emulator-build: 11834374 # 34.2.14
          heap-size: 600M
          profile: ${{ matrix.profile }}
          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
          # Run tests, if they fail, record screenshots and exit with a failure
          #TODO: Split the script in multiple lines (note that the action does some parsing that breaks multiline)
          script:
            ./gradlew :app:connectedDemoDebugAndroidTest -Pandroid.testInstrumentationRunnerArguments.annotation=com.google.samples.apps.nowinandroid.ui.InstrumentedScreenshotTests -Pdropshots.record --daemon -i --stacktrace

      - name: Checkout new changes (in case another job already uploaded screenshots)
        uses: actions/checkout@v4
#        if: steps.dropshotsverify.outputs.newgoldens == 'true'
        with:
          clean: false

      - name: Push new device screenshots if available
        uses: stefanzweifel/git-auto-commit-action@4b8a201e31cadd9829df349894b28c54e6c19fe6
#        if: steps.dropshotsverify.outputs.newgoldens == 'true'
        with:
          file_pattern: 'app/src/androidTest/screenshots/*.png'
          disable_globbing: true
          commit_message: "🤖 Updates instrumented screenshots. API ${{ matrix.api-level }}"

      - name: Upload test reports
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: test-reports-${{ matrix.profile }}-${{ matrix.api-level }}
          path: '**/build/reports/androidTests'