name: Build a3270 APK

on:
  push:
    branches: [ "main" ]
  pull_request:
    branches: [ "main" ]
  workflow_dispatch:

jobs:
  build:
    name: Build Android APK
    runs-on: ubuntu-latest

    steps:
      - name: Checkout a3270
        uses: actions/checkout@v4

      - name: Checkout j3270 (for lib3270j)
        uses: actions/checkout@v4
        with:
          repository: rudi/j3270
          path: j3270

      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '21'

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

      - name: Grant execute permission for gradlew
        run: chmod +x gradlew

      - name: Build Debug APK
        run: ./gradlew assembleDebug --no-daemon
        env:
          J3270_DIR: ${{ github.workspace }}/j3270

      - name: Upload APK Artifact
        uses: actions/upload-artifact@v4
        with:
          name: a3270-debug
          path: build/outputs/apk/debug/a3270-debug.apk
          if-no-files-found: error