name: Build Torrent Engine

on:
  push:
    branches:
      - main
      - dev
    paths:
      - 'android/torrentengine/**'
      - '.github/workflows/torrent-engine.yml'
  pull_request:
    branches:
      - main
      - dev
    paths:
      - 'android/torrentengine/**'

jobs:
  build-torrent-engine:
    name: Build Torrent Engine AAR
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

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

      - name: Cache Gradle packages
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-

      - name: Create local.properties
        run: |
          echo "sdk.dir=$ANDROID_HOME" > android/local.properties

      - name: Build Torrent Engine
        run: |
          cd android
          chmod +x gradlew
          ./gradlew :torrentengine:assembleRelease --no-daemon --stacktrace

      - name: Get AAR info
        id: aar_info
        run: |
          AAR_FILE=$(find android/torrentengine/build/outputs/aar -name "*.aar" | head -n 1)
          AAR_SIZE=$(du -h "$AAR_FILE" | cut -f1)
          AAR_NAME=$(basename "$AAR_FILE")
          
          echo "file=$AAR_FILE" >> $GITHUB_OUTPUT
          echo "size=$AAR_SIZE" >> $GITHUB_OUTPUT
          echo "name=$AAR_NAME" >> $GITHUB_OUTPUT

      - name: Upload Torrent Engine AAR
        uses: actions/upload-artifact@v4
        with:
          name: torrent-engine-aar
          path: android/torrentengine/build/outputs/aar/*.aar
          retention-days: 30

      - name: Summary
        run: |
          echo "## Torrent Engine Built Successfully!" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**AAR File:** \`${{ steps.aar_info.outputs.name }}\`" >> $GITHUB_STEP_SUMMARY
          echo "**Size:** ${{ steps.aar_info.outputs.size }}" >> $GITHUB_STEP_SUMMARY
          echo "**Path:** \`android/torrentengine/build/outputs/aar/\`" >> $GITHUB_STEP_SUMMARY

  test-torrent-engine:
    name: Test Torrent Engine
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

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

      - name: Cache Gradle packages
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-

      - name: Create local.properties
        run: |
          echo "sdk.dir=$ANDROID_HOME" > android/local.properties

      - name: Run Unit Tests
        run: |
          cd android
          chmod +x gradlew
          ./gradlew :torrentengine:test --no-daemon

      - name: Upload Test Results
        uses: actions/upload-artifact@v4
        with:
          name: torrent-engine-test-results
          path: android/torrentengine/build/test-results/
          retention-days: 7
        if: always()