name: MotorSignal Android CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]
  workflow_dispatch:

permissions:
  contents: read

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

env:
  FLUTTER_VERSION: '3.44.6'
  JAVA_VERSION: '17'
  ANDROID_COMPILE_SDK: '37.0'
  ANDROID_BUILD_TOOLS: '37.0.0'
  GRADLE_VERSION: '9.1.0'

jobs:
  analyze-and-build:
    name: Analyze, test and debug build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 1
      - name: Set up Java
        uses: actions/setup-java@v5
        with:
          distribution: temurin
          java-version: ${{ env.JAVA_VERSION }}
      - name: Set up Flutter
        uses: subosito/flutter-action@v2
        with:
          flutter-version: ${{ env.FLUTTER_VERSION }}
          channel: stable
          cache: true
      - name: Free runner disk space
        shell: bash
        run: |
          set -euo pipefail
          sudo rm -rf /usr/share/dotnet /usr/local/share/powershell /opt/ghc /usr/local/.ghcup /usr/local/lib/android/sdk/emulator /usr/local/lib/android/sdk/system-images
          sudo apt-get clean || true
          sudo rm -rf /var/lib/apt/lists/*
          docker system prune -af --volumes 2>/dev/null || true
          df -h /
          AVAILABLE_KB="$(df --output=avail / | tail -n 1 | tr -d ' ')"
          test "$AVAILABLE_KB" -ge "$((5 * 1024 * 1024))"
      - name: Create Flutter local.properties
        shell: bash
        run: |
          set -euo pipefail
          test -n "${FLUTTER_ROOT:-}" && test -d "$FLUTTER_ROOT"
          printf 'flutter.sdk=%s\n' "$FLUTTER_ROOT" > android/local.properties
      - name: Provision Android SDK
        shell: bash
        run: |
          set -euo pipefail
          SDKROOT="${ANDROID_SDK_ROOT:-${ANDROID_HOME:-}}"
          SDKMANAGER="$(find "$SDKROOT/cmdline-tools" -type f -name sdkmanager -print -quit 2>/dev/null || true)"
          test -x "$SDKMANAGER"
          "$SDKMANAGER" --licenses </dev/null >/dev/null 2>&1 || true
          "$SDKMANAGER" "platform-tools" "platforms;android-${ANDROID_COMPILE_SDK}" "build-tools;${ANDROID_BUILD_TOOLS}"
          yes | "$SDKMANAGER" --licenses >/dev/null 2>&1 || true
          echo "ANDROID_SDK_ROOT=$SDKROOT" >> "$GITHUB_ENV"
      - name: Provision Gradle wrapper
        shell: bash
        run: |
          set -euo pipefail
          if [ ! -f android/gradlew ]; then (cd android && gradle wrapper --gradle-version "$GRADLE_VERSION" --distribution-type all); fi
          chmod +x android/gradlew
      - name: Flutter and Android environment
        run: |
          flutter --version
          flutter doctor -v
          java -version
      - name: Get dependencies
        run: flutter pub get
      - name: Generate Drift sources
        run: dart run build_runner build --delete-conflicting-outputs
      - name: Analyze
        run: flutter analyze --no-fatal-infos
      - name: Run tests
        run: flutter test
      - name: Build debug APK
        shell: bash
        run: flutter build apk --debug
      - name: Verify debug APK
        shell: bash
        run: |
          set -euo pipefail
          APK="build/app/outputs/flutter-apk/app-debug.apk"
          test -s "$APK"
          file "$APK"
          sha256sum "$APK" | tee build/app/outputs/flutter-apk/app-debug.apk.sha256
      - name: Upload debug APK
        uses: actions/upload-artifact@v5
        with:
          name: motorsignal-debug-apk
          path: |
            build/app/outputs/flutter-apk/app-debug.apk
            build/app/outputs/flutter-apk/app-debug.apk.sha256
          if-no-files-found: error
          retention-days: 14

  release:
    name: Build signed release APK and AAB
    runs-on: ubuntu-latest
    needs: analyze-and-build
    if: github.event_name == 'workflow_dispatch' || github.event_name == 'push'
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 1
      - name: Set up Java
        uses: actions/setup-java@v5
        with:
          distribution: temurin
          java-version: ${{ env.JAVA_VERSION }}
      - name: Set up Flutter
        uses: subosito/flutter-action@v2
        with:
          flutter-version: ${{ env.FLUTTER_VERSION }}
          channel: stable
          cache: true
      - name: Get dependencies
        run: flutter pub get
      - name: Generate Drift sources
        run: dart run build_runner build --delete-conflicting-outputs
      - name: Build release artifacts
        run: flutter build apk --release