# Build Android version of the app

name: Android

on:
  push:
  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      ENABLE_NIX_STORE_CACHE: 'true'   # set to 'true' to test caching the whole /nix/store (risky)
      USE_CACHIX: 'false'              # set to 'true' to enable Cachix step

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

      - name: Cache Nix local cache (~/.cache/nix)
        uses: actions/cache@v4
        with:
          path: ${{ env.HOME }}/.cache/nix
          key: ${{ runner.os }}-nix-local-${{ hashFiles('flake.lock','flake.nix') }}
          restore-keys: |
            ${{ runner.os }}-nix-local-

      - name: (Optional) Cache entire /nix/store (experimental, very large)
        if: env.ENABLE_NIX_STORE_CACHE == 'true'
        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: (Optional) Setup Cachix (use binary cache)
        if: env.USE_CACHIX == 'true'
        uses: cachix/cachix-action@v14
        with:
          name: inventree

      - name: Cache Flutter Pub
        uses: actions/cache@v4
        with:
          path: ${{ env.HOME }}/.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: |
            ${{ env.HOME }}/.gradle/caches
            ${{ env.HOME }}/.gradle/wrapper
            android/.gradle
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/build.gradle*','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: 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