name: Build APK

# Builds a debug APK on every push/PR (CI compile check) and attaches an APK to
# a GitHub Release on version tags (v*). The committed debug keystore means CI
# and local builds sign identically, so updates install in place.
on:
  push:
  pull_request:
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

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

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

      - name: Build debug APK
        run: |
          chmod +x ./gradlew
          ./gradlew :app:assembleDebug --stacktrace --no-daemon

      - name: Stage APK
        run: |
          mkdir -p out
          cp app/build/outputs/apk/debug/app-debug.apk "out/VIGIL-debug.apk"

      - name: Upload APK artifact
        uses: actions/upload-artifact@v4
        with:
          name: vigil-apk
          path: out/*.apk

      - name: Publish Release
        if: startsWith(github.ref, 'refs/tags/')
        uses: softprops/action-gh-release@v2
        with:
          files: out/*.apk
          generate_release_notes: true