name: android-ci

on:
  push:
    branches:
      - main
      - android-*.*.x
    tags:
      - "android-*"

  pull_request:
    branches:
      - "*"

concurrency:
  # cancel jobs on PRs only
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  pre_job:
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ github.event_name != 'workflow_dispatch' && steps.changed-files.outputs.android_any_modified != 'true' }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Get all Android files that have changed
        if: github.event_name != 'workflow_dispatch'
        id: changed-files
        uses: tj-actions/changed-files@v45
        with:
          files_yaml_from_source_file: .github/changed-files.yml

  android-build:
    runs-on: ubuntu-24.04
    needs:
      - pre_job
    if: needs.pre_job.outputs.should_skip != 'true'
    defaults:
      run:
        working-directory: platform/android
    env:
      BUILDTYPE: Debug
      IS_LOCAL_DEVELOPMENT: false
      MLN_ANDROID_STL: c++_static
    steps:
      - name: Free Disk Space (Ubuntu)
        if: startsWith(runner.name, 'GitHub Actions')
        uses: jlumbroso/free-disk-space@main
        with:
          tool-cache: false
          android: false
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: false

      - uses: actions/checkout@v4
        with:
          submodules: recursive
          fetch-depth: 0

      - run: echo "cmake.dir=$(dirname "$(dirname "$(command -v cmake)")")" >> local.properties

      - uses: actions/setup-java@v4
        with:
          distribution: "temurin"
          java-version: "17"

      - name: Get CMake and Ninja
        uses: lukka/get-cmake@latest
        with:
          cmakeVersion: 3.24.1
          ninjaVersion: latest

      - name: Cache node modules
        uses: actions/cache@v4
        env:
          cache-name: cache-node-modules
        with:
          path: ~/.npm
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-

      - uses: actions/setup-node@v4
        with:
          node-version-file: ".nvmrc"

      - name: npm install
        run: npm install --ignore-scripts
        working-directory: .

      - name: run platform/android/scripts/generate-style-code.mjs
        run: node platform/android/scripts/generate-style-code.mjs
        working-directory: .

      - run: |
          python3 -m venv venv
          source venv/bin/activate
          pip3 install pre-commit

      - run: |
          source venv/bin/activate
          pre-commit run clang-format --all-files
        continue-on-error: true # this can mean files are modified, which is not an error

      - run: |
          source venv/bin/activate
          pre-commit run clang-format --all-files
          rm -rf venv

      - uses: infotroph/tree-is-clean@v1
        with:
          check_untracked: true

      - uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: ${{ github.job }}
          append-timestamp: false
          max-size: 5G

      - name: restore-gradle-cache
        uses: actions/cache@v4
        env:
          cache-name: gradle-v1
        with:
          path: ~/.gradle
          key: ${{ env.cache-name }}-${{ hashFiles('platform/android/buildSrc/src/main/kotlin/maplibre.dependencies.gradle.kts') }}-${{ hashFiles('platform/android/build.gradle.kts') }}-${{ hashFiles('platform/android/local.properties') }}-${{ hashFiles('platform/android/gradle/wrapper/gradle-wrapper.properties') }}
          restore-keys: |
            - ${{ env.cache-name }}

      - name: Check code style
        run: make android-check

      - name: Run Android unit tests
        run: make run-android-unit-test

      - name: Build libmaplibre.so for arm-v8
        run: make android-lib-arm-v8

      - name: Build API documentation
        run: ./gradlew dokkaHtml
      
      - name: Build Examples documentation
        run: make mkdocs-build

      - name: Copy developer config with API key for UI tests
        if: github.ref == 'refs/heads/main'
        run: |
          MAPLIBRE_DEVELOPER_CONFIG_XML='${{ secrets.MAPLIBRE_DEVELOPER_CONFIG_XML }}'
          if [ -n "${MAPLIBRE_DEVELOPER_CONFIG_XML}" ]; then
            echo "${MAPLIBRE_DEVELOPER_CONFIG_XML}" > MapLibreAndroidTestApp/src/main/res/values/developer-config.xml
          else
            echo "No secrets.MAPLIBRE_DEVELOPER_CONFIG_XML variable set, not copying..."
          fi

      - name: Build Benchmark, copy to platform/android
        run: |
          ./gradlew assembleDrawableRelease assembleDrawableReleaseAndroidTest -PtestBuildType=release
          cp MapLibreAndroidTestApp/build/outputs/apk/drawable/release/MapLibreAndroidTestApp-drawable-release.apk .
          cp MapLibreAndroidTestApp/build/outputs/apk/androidTest/drawable/release/MapLibreAndroidTestApp-drawable-release-androidTest.apk .

      # https://developer.android.com/guide/practices/page-sizes
      - name: Check alignment of .apk
        run: |
          unzip -o MapLibreAndroidTestApp/build/outputs/apk/drawable/release/MapLibreAndroidTestApp-drawable-release.apk -d /tmp/my_apk_out
          scripts/check-alignment.sh /tmp/my_apk_out

      - name: Create artifact for benchmark APKs
        uses: actions/upload-artifact@v4
        with:
          if-no-files-found: error
          name: benchmarkAPKs
          path: |
            platform/android/MapLibreAndroidTestApp-drawable-release.apk
            platform/android/MapLibreAndroidTestApp-drawable-release-androidTest.apk

      - if: github.event_name == 'pull_request'
        uses: ./.github/actions/save-pr-number

      - name: Build Instrumentation Tests, copy to platform/android
        run: |
          ./gradlew assembleLegacyDebug assembleLegacyDebugAndroidTest -PtestBuildType=debug
          cp MapLibreAndroidTestApp/build/outputs/apk/legacy/debug/MapLibreAndroidTestApp-legacy-debug.apk InstrumentationTestApp.apk
          cp MapLibreAndroidTestApp/build/outputs/apk/androidTest/legacy/debug/MapLibreAndroidTestApp-legacy-debug-androidTest.apk InstrumentationTests.apk

      - name: Upload android-ui-test
        uses: actions/upload-artifact@v4
        with:
          if-no-files-found: error
          name: android-ui-test
          path: |
            platform/android/InstrumentationTestApp.apk
            platform/android/InstrumentationTests.apk

  android-build-cpp-test:
    runs-on: ubuntu-24.04

    needs:
      - pre_job
    if: needs.pre_job.outputs.should_skip != 'true'

    defaults:
      run:
        working-directory: test/android

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive
          fetch-depth: 0

      - uses: actions/setup-java@v4
        with:
          distribution: "temurin"
          java-version: "17"

      - name: Get CMake and Ninja
        uses: lukka/get-cmake@latest
        with:
          cmakeVersion: 3.24.1
          ninjaVersion: latest

      - uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: ${{ github.job }}
          append-timestamp: false
          max-size: 5G

      - name: Create data.zip in assets directory
        run: zip -r test/android/app/src/main/assets/data.zip -@ < test/android/app/src/main/assets/to_zip.txt
        working-directory: .

      - name: Build C++ Unit Tests App
        run: |
          ./gradlew assembleDebug assembleAndroidTest
          cp app/build/outputs/apk/debug/app-debug.apk .
          cp app/build/outputs/apk/androidTest/release/app-release-androidTest.apk .

      - name: Store C++ Unit Tests .apk files
        uses: actions/upload-artifact@v4
        with:
          name: android-cpp-tests
          if-no-files-found: error
          path: |
            ./test/android/app-debug.apk
            ./test/android/app-release-androidTest.apk

  android-build-render-test:
    strategy:
      fail-fast: false
      matrix:
        flavor: [opengl, vulkan]

    runs-on: ubuntu-24.04

    needs:
      - pre_job

    if: needs.pre_job.outputs.should_skip != 'true'

    steps:
      - name: Free Disk Space (Ubuntu)
        if: startsWith(runner.name, 'GitHub Actions')
        uses: jlumbroso/free-disk-space@main
        with:
          tool-cache: false
          android: false
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: false

      - uses: actions/checkout@v4
        with:
          submodules: recursive
          fetch-depth: 0

      - uses: hendrikmuhs/ccache-action@v1.2
        with:
          key: ${{ github.job }}
          append-timestamp: false
          max-size: 5G

      - name: Get CMake and Ninja
        uses: lukka/get-cmake@latest
        with:
          cmakeVersion: 3.24.1
          ninjaVersion: latest

      - uses: actions/setup-java@v4
        with:
          distribution: "temurin"
          java-version: "17"

      - name: Build and Upload Render Test APKs (${{ matrix.flavor }})
        uses: ./.github/actions/android-build-and-upload-render-test
        with:
          flavor: ${{ matrix.flavor }}

  android-ci-result:
    runs-on: ubuntu-latest
    if: needs.pre_job.outputs.should_skip != 'true' && always()
    needs:
      - pre_job
      - android-build
      - android-build-cpp-test
      - android-build-render-test
    steps:
      - name: Mark result as failed
        if: needs.android-build.result != 'success'
        run: exit 1