name: ci

on:
  pull_request:
  workflow_dispatch:

jobs:
  ktlint:
    runs-on: ubuntu-24.04
    timeout-minutes: 2
    steps:
      - uses: actions/checkout@v5
      - run: curl -sSLO https://github.com/pinterest/ktlint/releases/download/1.7.1/ktlint && chmod a+x ktlint
      - run: ./ktlint

  gradle:
    runs-on: ${{ matrix.os }}
    timeout-minutes: 20
    needs: tox4j
    strategy:
      matrix:
        os:
          - ubuntu-24.04
          - macos-15
          - windows-2025
    steps:
      - name: Download tox4j
        uses: actions/download-artifact@v5
        with:
          name: tox4j
          path: ~/.m2
      - uses: actions/checkout@v5
      - uses: actions/setup-java@v5
        with:
          distribution: adopt
          java-version: 17
      - name: Setup Gradle
        uses: gradle/actions/setup-gradle@v5
        with:
          cache-read-only: ${{ github.ref != 'refs/heads/master' }}
      # First build the .apks, then run things like check and lint tasks attached to the build task.
      # We do this in multiple steps to try to reduce the peak memory usage as a plain
      # `./gradlew build` often uses up all memory and dies in CI.
      # See: https://issuetracker.google.com/issues/297088701
      - run: ./gradlew assembleDebug
      - run: ./gradlew assembleRelease
      - run: ./gradlew build
      - name: Upload apk
        if: startsWith(matrix.os, 'ubuntu')
        uses: actions/upload-artifact@v5
        with:
          name: atox-debug.apk
          path: ./atox/build/outputs/apk/debug/atox-debug.apk
          if-no-files-found: error
      # https://github.blog/changelog/2023-02-23-hardware-accelerated-android-virtualization-on-actions-windows-and-linux-larger-hosted-runners/
      - name: Enable hardware acceleration
        if: startsWith(matrix.os, 'ubuntu')
        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: Run Android tests
        if: startsWith(matrix.os, 'ubuntu')
        uses: reactivecircus/android-emulator-runner@v2
        with:
          api-level: 31
          arch: x86_64
          script: ./gradlew connectedCheck

  tox4j:
    runs-on: ubuntu-24.04
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-java@v5
        with:
          distribution: adopt
          java-version: 17
      # sbt 0.13.18 is broken starting with sbt-runner 1.11.6.
      # See: https://github.com/sbt/sbt/issues/8278
      - uses: sbt/setup-sbt@17575ea4e18dd928fe5968dbe32294b97923d65b # v1.11.13
        with:
          sbt-runner-version: 1.11.5
      - name: Set up cache
        id: cache
        uses: actions/cache@v4
        with:
          path: ~/.m2/repository/org/toktok
          key: from-src-${{ hashFiles('scripts/**') }}
      # TODO(robinlinden): Update NDK.
      - name: Set up NDK
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          # https://github.com/actions/virtual-environments/issues/5595
          SDKMANAGER="${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager"
          echo "y" | $SDKMANAGER "ndk;21.4.7075529"
      - name: Install tox4j dependencies
        if: steps.cache.outputs.cache-hit != 'true'
        run: sudo apt-get update && sudo apt install yasm
      - name: Build tox4j
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          export ANDROID_NDK_HOME="${ANDROID_SDK_ROOT}/ndk/21.4.7075529"
          ./scripts/build-all -j$(nproc)
      - name: Upload tox4j
        uses: actions/upload-artifact@v5
        with:
          name: tox4j
          path: ~/.m2
          if-no-files-found: error
          include-hidden-files: true

  bazel:
    runs-on: ubuntu-24.04
    timeout-minutes: 20
    steps:
      - uses: actions/checkout@v5
      - uses: actions/setup-java@v5
        with:
          distribution: adopt
          java-version: 17
      - name: Set up Android
        run: |
          echo "y" | ${ANDROID_SDK_ROOT}/cmdline-tools/latest/bin/sdkmanager --install "ndk;$NDK_VERSION" | grep -v = || true
          echo "ANDROID_NDK_HOME=$ANDROID_HOME/ndk/$NDK_VERSION" >> $GITHUB_ENV
        env:
          NDK_VERSION: "25.2.9519653"
      - name: Set up Bazel cache
        uses: actions/cache@v4
        with:
          path: ~/.cache/bazel
          key: bazel-${{ hashFiles('.bazelversion', 'WORKSPACE', 'bazel/**') }}
      - run: bazel test //...

  buildifier:
    runs-on: ubuntu-24.04
    timeout-minutes: 2
    steps:
      - uses: actions/checkout@v5
      - name: Install
        run: |
          wget --output-document=buildifier https://github.com/bazelbuild/buildtools/releases/download/v7.3.1/buildifier-linux-amd64
          sudo chmod +x buildifier
      - name: Check
        run: ./buildifier --lint=warn --warnings=all -mode diff WORKSPACE $(find . -type f -name "BUILD.*")

  prettier:
    runs-on: ubuntu-24.04
    timeout-minutes: 2
    steps:
      - uses: actions/checkout@v5
      - run: npm install --global prettier@3.3.3
      - run: npx prettier --ignore-path .gitignore --write .
      - run: git diff --exit-code

concurrency:
  group: ${{ github.head_ref || github.run_id }}
  cancel-in-progress: true