name: Build Android APK

on:
  workflow_dispatch:
  push:
    branches:
      - main

jobs:
  build-apk:
    runs-on: ubuntu-latest

    env:
      BASE_URL: ${{ secrets.BASE_URL }}
      GOOGLE_SERVER_CLIENT_ID: ${{ secrets.GOOGLE_SERVER_CLIENT_ID }}
      GOOGLE_CLIENT_ID: ${{ secrets.GOOGLE_CLIENT_ID }}

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

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

      - name: Setup Flutter
        uses: subosito/flutter-action@v2
        with:
          channel: stable

      - name: Setup Android SDK
        uses: android-actions/setup-android@v3

      - name: Install Android SDK packages
        run: |
          sdkmanager "platform-tools" "platforms;android-35" "build-tools;35.0.0"

          set +e
          yes | sdkmanager --licenses >/dev/null 2>&1
          LICENSE_EXIT=$?
          set -e

          if [ "$LICENSE_EXIT" -ne 0 ] && [ "$LICENSE_EXIT" -ne 141 ]; then
            echo "sdkmanager --licenses failed with exit code $LICENSE_EXIT"
            exit "$LICENSE_EXIT"
          fi

      - name: Show Flutter and Dart version
        run: |
          flutter --version
          flutter doctor -v

      - name: Install dependencies
        run: flutter pub get

      - name: Build release APK
        run: |
          BASE_URL_VALUE="${BASE_URL:-http://127.0.0.1:8000}"

          FLUTTER_CMD=(
            flutter build apk --release
            --dart-define=BASE_URL=${BASE_URL_VALUE}
          )

          if [ -n "${GOOGLE_SERVER_CLIENT_ID}" ]; then
            FLUTTER_CMD+=(--dart-define=GOOGLE_SERVER_CLIENT_ID=${GOOGLE_SERVER_CLIENT_ID})
          fi

          if [ -n "${GOOGLE_CLIENT_ID}" ]; then
            FLUTTER_CMD+=(--dart-define=GOOGLE_CLIENT_ID=${GOOGLE_CLIENT_ID})
          fi

          "${FLUTTER_CMD[@]}"

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