name: Android CI/CD

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

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4

    - name: Set up JDK 17
      uses: actions/setup-java@v4
      with:
        java-version: '17'
        distribution: 'temurin'
        cache: gradle

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

    - name: Build with Gradle
      run: ./gradlew assembleDebug assembleDebugAndroidTest
      working-directory: android-app

    - name: Upload artifact
      uses: actions/upload-artifact@v4
      with:
        name: app-debug
        path: android-app/app/build/outputs/apk/debug/app-debug.apk

    - name: upload artifact to Firebase App Distribution
      if: github.ref == 'refs/heads/master'
      uses: wzieba/Firebase-Distribution-Github-Action@v1
      with:
        appId: ${{secrets.FIREBASE_APP_ID}}
        serviceCredentialsFileContent: ${{ secrets.CREDENTIAL_FILE_CONTENT }}
        groups: testers
        file: android-app/app/build/outputs/apk/debug/app-debug.apk

  smoke-test:
    runs-on: ubuntu-latest
    # Run after build succeeds so we don't spin up an emulator for a broken build
    needs: build

    steps:
    - uses: actions/checkout@v4

    - name: Set up JDK 17
      uses: actions/setup-java@v4
      with:
        java-version: '17'
        distribution: 'temurin'
        cache: gradle

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

    - name: Enable KVM (faster emulator)
      run: |
        echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
        sudo udevadm control --reload-rules
        sudo udevadm trigger --name-match=kvm

    - name: Run smoke tests on emulator
      uses: reactivecircus/android-emulator-runner@v2
      with:
        api-level: 30
        arch: x86_64
        profile: pixel_3a
        script: ./gradlew connectedDebugAndroidTest
        working-directory: android-app