name: CI

on:
  push:
  pull_request:
    types: [opened, synchronize, reopened, labeled]

jobs:
  build:
    # Skip 'labeled' events that didn't add the 'ci' label
    if: |
      github.event_name != 'pull_request' ||
      github.event.action != 'labeled' ||
      github.event.label.name == 'ci'
    runs-on: ubuntu-latest
    env:
      JVM_OPTS: -Xmx6G
      IS_SKYLINE_SIGNED: ${{ secrets.KEYSTORE != '' }}
      UPLOAD_ARTIFACTS: ${{ github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'ci') }}

    steps:
      - name: Git Checkout
        uses: actions/checkout@v3
        with:
          submodules: recursive

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

      - name: Restore Gradle Cache
        uses: actions/cache@v3
        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 Ninja Build
        run: |
          sudo apt-get install -y ninja-build
          ln -s /usr/bin/ninja .

      - name: Install CMake & Android NDK
        run: echo "yes" | $ANDROID_HOME/tools/bin/sdkmanager "cmake;3.22.1" "ndk;25.0.8775105" --channel=3 | grep -v = || true

      - name: Decode Keystore
        if: env.IS_SKYLINE_SIGNED == 'true'
        env:
          KEYSTORE_ENCODED: ${{ secrets.KEYSTORE }}
        run: echo $KEYSTORE_ENCODED | base64 --decode > "/home/runner/keystore.jks"

      - name: Android Assemble
        env:
          SIGNING_STORE_PATH: "/home/runner/keystore.jks"
          SIGNING_STORE_PASSWORD: ${{ secrets.SIGNING_STORE_PASSWORD }}
          SIGNING_KEY_ALIAS: ${{ secrets.SIGNING_KEY_ALIAS }}
          SIGNING_KEY_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}
          CMAKE_C_COMPILER_LAUNCHER: "ccache"
          CMAKE_CXX_COMPILER_LAUNCHER: "ccache"
          CCACHE_NOCOMPRESS: "true"
        run: ./gradlew --stacktrace --configuration-cache --build-cache --parallel --configure-on-demand assembleFull

      - name: Rename APKs (Signed)
        if: env.IS_SKYLINE_SIGNED == 'true' && env.UPLOAD_ARTIFACTS == 'true'
        run: |
          mv app/build/outputs/apk/full/debug/app-full-debug.apk skyline-$GITHUB_RUN_NUMBER-debug.apk
          mv app/build/outputs/apk/full/release/app-full-release.apk skyline-$GITHUB_RUN_NUMBER-release.apk

      - name: Upload Signed Debug APK
        if: env.IS_SKYLINE_SIGNED == 'true' && env.UPLOAD_ARTIFACTS == 'true'
        uses: actions/upload-artifact@v3
        with:
          name: skyline-${{ github.run_number }}-debug.apk
          path: skyline-${{ github.run_number }}-debug.apk

      - name: Upload Signed Release APK
        if: env.IS_SKYLINE_SIGNED == 'true' && env.UPLOAD_ARTIFACTS == 'true'
        uses: actions/upload-artifact@v3
        with:
          name: skyline-${{ github.run_number }}-release.apk
          path: skyline-${{ github.run_number }}-release.apk

      - name: Rename APKs (Unsigned)
        if: env.IS_SKYLINE_SIGNED == 'false' && env.UPLOAD_ARTIFACTS == 'true'
        run: |
          mv app/build/outputs/apk/full/debug/app-full-debug.apk skyline-$GITHUB_RUN_NUMBER-unsigned-debug.apk
          mv app/build/outputs/apk/full/release/app-full-release.apk skyline-$GITHUB_RUN_NUMBER-unsigned-release.apk

      - name: Upload Unsigned Debug APK
        if: env.IS_SKYLINE_SIGNED == 'false' && env.UPLOAD_ARTIFACTS == 'true'
        uses: actions/upload-artifact@v3
        with:
          name: skyline-${{ github.run_number }}-unsigned-debug.apk
          path: skyline-${{ github.run_number }}-unsigned-debug.apk

      - name: Upload Unsigned Release APK
        if: env.IS_SKYLINE_SIGNED == 'false' && env.UPLOAD_ARTIFACTS == 'true'
        uses: actions/upload-artifact@v3
        with:
          name: skyline-${{ github.run_number }}-unsigned-release.apk
          path: skyline-${{ github.run_number }}-unsigned-release.apk