name: Android CI

on:
  push:
  pull_request:

jobs:
  assemble-and-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Install Android SDK
        run: |
          set -euo pipefail
          SDK_ROOT="${HOME}/android-sdk"
          mkdir -p "${SDK_ROOT}/cmdline-tools"
          curl -fL --retry 3 -o /tmp/cmdline-tools.zip \
            https://dl.google.com/android/repository/commandlinetools-linux-13114758_latest.zip
          rm -rf /tmp/cmdline-tools
          unzip -q /tmp/cmdline-tools.zip -d /tmp/cmdline-tools
          rm -rf "${SDK_ROOT}/cmdline-tools/latest"
          mv /tmp/cmdline-tools/cmdline-tools "${SDK_ROOT}/cmdline-tools/latest"
          export PATH="${SDK_ROOT}/cmdline-tools/latest/bin:${PATH}"
          yes | sdkmanager --sdk_root="${SDK_ROOT}" --licenses >/dev/null || true
          sdkmanager --sdk_root="${SDK_ROOT}" \
            "platforms;android-35" "build-tools;35.0.0"
          echo "sdk.dir=${SDK_ROOT}" > local.properties
          echo "ANDROID_HOME=${SDK_ROOT}" >> "${GITHUB_ENV}"
          echo "ANDROID_SDK_ROOT=${SDK_ROOT}" >> "${GITHUB_ENV}"

      - name: Assemble debug APK and run unit tests
        run: chmod +x ./gradlew && ./gradlew assembleDebug test --stacktrace

      - name: Upload debug APK
        uses: actions/upload-artifact@v4
        with:
          name: app-debug
          path: app/build/outputs/apk/debug/app-debug.apk
          if-no-files-found: error