# A workflow to build and upload APKs for pull requests
name: PR Build

on:
  pull_request:
    types: [ opened, synchronize, reopened ]
    branches: [ master ]

# Only allow the latest build to run for a given PR, and cancel any previous builds
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Git Checkout
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Restore CCache
        uses: hendrikmuhs/ccache-action@v1.2
        with:
          max-size: 3Gi

      - name: Restore Gradle Cache
        uses: actions/cache@v4
        with:
          path: ~/.gradle/
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/build.gradle') }}-${{ hashFiles('app/**/*.xml') }}-${{ hashFiles('app/**.kt', 'app/**.java') }}
          restore-keys: |
            ${{ runner.os }}-gradle-${{ hashFiles('**/build.gradle') }}-${{ hashFiles('app/**/*.xml') }}-
            ${{ runner.os }}-gradle-${{ hashFiles('**/build.gradle') }}-
            ${{ runner.os }}-gradle-

      - name: Install Java 17
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin' # Temurin should come pre-installed on GitHub-hosted runners
          java-version: '17'

      - name: Install Ninja Build
        run: |
          sudo apt-get install -y ninja-build
          ln -s /usr/bin/ninja .

      - name: Android Assemble
        env:
          CMAKE_C_COMPILER_LAUNCHER: "ccache"
          CMAKE_CXX_COMPILER_LAUNCHER: "ccache"
          CCACHE_COMPILERCHECK: "string:${{ env.NDK_VERSION }}" # Use NDK version instead of compiler timestamp
          PR_NUMBER: ${{ github.event.number }}
        run: ./gradlew --no-daemon --stacktrace --build-cache --parallel --configure-on-demand assembleDevRelease assembleDevReldebug

      - name: Rename APKs
        if: ${{ vars.UPLOAD_PR_ARTIFACTS == 'true' }}
        run: |
          mv app/build/outputs/apk/dev/release/app-dev-release.apk strato-pr${{ github.event.number }}-release.apk
          mv app/build/outputs/apk/dev/reldebug/app-dev-reldebug.apk strato-pr${{ github.event.number }}-reldebug.apk

      - name: Upload Release APK
        if: ${{ vars.UPLOAD_PR_ARTIFACTS == 'true' }}
        uses: actions/upload-artifact@v4
        with:
          name: strato-pr${{ github.event.number }}-release.apk
          path: strato-pr${{ github.event.number }}-release.apk

      - name: Upload Debug APK
        if: ${{ vars.UPLOAD_PR_ARTIFACTS == 'true' }}
        uses: actions/upload-artifact@v4
        with:
          name: strato-pr${{ github.event.number }}-reldebug.apk
          path: strato-pr${{ github.event.number }}-reldebug.apk