name: Android CI

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

jobs:
  build:
    name: Build and Test
    runs-on: ubuntu-latest

    steps:
      # Step 1: Check out the repository code
      - name: Checkout Code
        uses: actions/checkout@v4

      # Step 2: Set up JDK 17 with Gradle Caching
      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          distribution: "zulu"
          java-version: "17"
          cache: "gradle"

      # Step 3: Grant execute permission to Gradle Wrapper
      - name: Grant Execute Permission for Gradlew
        run: cd BalanceAndroid && chmod +x ./gradlew

      # Step 4: Jetpack Compose Compiler & Lint Check
      # Verifies Compose layout rules and Kotlin formatting
      - name: Run Lint and Code Quality
        run: cd BalanceAndroid && ./gradlew lintDebug

      # Step 5: Run Unit Tests & Verify Room Schema
      # Runs localized Room migrations and DAO tests that do not require an emulator
      - name: Run Unit Tests
        run: cd BalanceAndroid && ./gradlew testDebugUnitTest

      # Step 6: Assemble Debug APK (Targeting Android 8.0 / API 26+)
      - name: Build Debug APK
        run: cd BalanceAndroid && ./gradlew assembleDebug

      # Step 7: Upload the generated APK
      - name: Upload Debug APK
        uses: actions/upload-artifact@v4
        with:
          name: android-compose-room-debug-apk
          path: BalanceAndroid/app/build/outputs/apk/debug/app-debug.apk