name: CI

on:
  workflow_dispatch:
  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_BUILD_SIGNED: ${{ secrets.KEYSTORE != '' }}
      UPLOAD_ARTIFACTS: ${{ github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'ci') }}
      CMAKE_VERSION: "3.22.1"
      NDK_VERSION: "27.2.12479018"
      BUILD_TYPE: release

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

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

      - 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 Java 17
        uses: actions/setup-java@v4
        with:
          distribution: 'zulu'
          java-version: '17'

      - 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" | $ANDROID_HOME/tools/bin/sdkmanager "cmake;${{ env.CMAKE_VERSION }}" "ndk;${{ env.NDK_VERSION }}" --channel=3 | grep -v = || true

      - name: Decode Keystore
        if: env.IS_BUILD_SIGNED == 'true'
        env:
          KEYSTORE_ENCODED: ${{ secrets.KEYSTORE }}
        run: | 
          echo "$KEYSTORE_ENCODED" | base64 --decode > ${{ github.workspace }}/app/ks.jks

      - name: Android Assemble
        env:
          SIGNING_STORE_PATH: "ks.jks"
          SIGNING_STORE_PASSWORD: ${{ secrets.SIGNING_STORE_PASSWORD }}
          SIGNING_KEY_ALIAS: ${{ secrets.SIGNING_KEY_ALIAS }}
          SIGNING_KEY_PASSWORD: ${{ secrets.SIGNING_KEY_PASSWORD }}
          CMAKE_C_COMPILER_LAUNCHER: "ccache"
          CMAKE_CXX_COMPILER_LAUNCHER: "ccache"
          CCACHE_COMPILERCHECK: "string:${{ env.NDK_VERSION }}"
        run: ./gradlew --build-cache assembleFull${{ env.BUILD_TYPE }}

      - name: Rename APKs (Signed)
        if: env.IS_BUILD_SIGNED == 'true' && env.UPLOAD_ARTIFACTS == 'true'
        run: |
          mv app/build/outputs/apk/full/${{ env.BUILD_TYPE }}/app-full-${{ env.BUILD_TYPE }}.apk pine-emu-$GITHUB_RUN_NUMBER-${{ env.BUILD_TYPE }}.apk

      - name: Upload Signed APK
        if: env.IS_BUILD_SIGNED == 'true' && env.UPLOAD_ARTIFACTS == 'true'
        uses: actions/upload-artifact@v4
        with:
          name: pine-emu-${{ github.run_number }}-${{ env.BUILD_TYPE }}.apk
          path: pine-emu-${{ github.run_number }}-${{ env.BUILD_TYPE }}.apk

      - name: Rename APKs (Unsigned)
        if: env.IS_BUILD_SIGNED == 'false' && env.UPLOAD_ARTIFACTS == 'true'
        run: |
          mv app/build/outputs/apk/full/${{ env.BUILD_TYPE }}/app-full-${{ env.BUILD_TYPE }}.apk pine-emu-$GITHUB_RUN_NUMBER-unsigned-${{ env.BUILD_TYPE }}.apk

      - name: Upload Unsigned APK
        if: env.IS_BUILD_SIGNED == 'false' && env.UPLOAD_ARTIFACTS == 'true'
        uses: actions/upload-artifact@v4
        with:
          name: pine-emu-${{ github.run_number }}-unsigned-${{ env.BUILD_TYPE }}.apk
          path: pine-emu-${{ github.run_number }}-unsigned-${{ env.BUILD_TYPE }}.apk