# Build Android version of the app

name: Android

on:
  push:
  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Cache /nix/store (experimental, may be large)
        uses: actions/cache@v4
        with:
          path: /nix/store
          key:
            ${{ runner.os }}-nix-store-${{ hashFiles('flake.lock','flake.nix')
            }}
          restore-keys: |
            ${{ runner.os }}-nix-store-

      - name: Cache Flutter Pub
        uses: actions/cache@v4
        with:
          path: ~/.pub-cache
          key:
            ${{ runner.os }}-pub-${{ hashFiles('pubspec.lock','pubspec.yaml')
            }}
          restore-keys: |
            ${{ runner.os }}-pub-

      - name: Cache Gradle
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
            android/.gradle
          key:
            ${{ runner.os }}-gradle-${{
            hashFiles('android/gradle.properties','android/gradle/wrapper/gradle-wrapper.properties')
            }}
          restore-keys: |
            ${{ runner.os }}-gradle-

      - name: Prepare Nix devshell
        uses: ./.github/actions/nix-devshell
        with:
          prebuild: "true"

      - name: Collect Translation Files
        uses: ./.github/actions/nix-devshell
        with:
          commands: |
            cd lib/l10n
            python3 collect_translations.py

      - name: Restore Dart packages
        uses: ./.github/actions/nix-devshell
        with:
          commands: |
            # ensure collected translations directory exists so pub get doesn't fail during code generation
            mkdir -p lib/l10n/collected
            flutter pub get

      - name: Build Debug APK
        uses: ./.github/actions/nix-devshell
        with:
          commands: |
            flutter build apk --debug --target-platform android-arm64

      - name: Upload APK artifact
        uses: actions/upload-artifact@v4
        with:
          name: app-debug-apk
          path: build/app/outputs/flutter-apk/*.apk
          # retention-days: 90