name: Android Build

on:
  push:
    branches: [ master, main, develop ]
  pull_request:
    branches: [ master, main ]
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 30

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

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

    - name: Grant execute permission for gradlew
      run: chmod +x gradlew

    - name: Cache Gradle packages
      uses: actions/cache@v3
      with:
        path: |
          ~/.gradle/caches
          ~/.gradle/wrapper
        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
        restore-keys: |
          ${{ runner.os }}-gradle-

    - name: Build debug APK
      run: ./gradlew assembleDebug --stacktrace --no-daemon

    - name: Build release APK
      run: ./gradlew assembleRelease --stacktrace --no-daemon

    - name: Upload debug APK
      uses: actions/upload-artifact@v4
      with:
        name: omnikey-debug
        path: app/build/outputs/apk/debug/*.apk
        retention-days: 30

    - name: Upload release APK
      uses: actions/upload-artifact@v4
      with:
        name: omnikey-release
        path: app/build/outputs/apk/release/*.apk
        retention-days: 90

    - name: Run lint
      run: ./gradlew lint --no-daemon
      continue-on-error: true

    - name: Upload lint results
      uses: actions/upload-artifact@v4
      if: always()
      with:
        name: lint-results
        path: app/build/reports/lint-results*.html
        retention-days: 30

    - name: Build summary
      if: always()
      run: |
        echo "## Build Summary" >> $GITHUB_STEP_SUMMARY
        echo "" >> $GITHUB_STEP_SUMMARY
        echo "### APK Sizes" >> $GITHUB_STEP_SUMMARY
        if [ -f app/build/outputs/apk/debug/app-debug.apk ]; then
          DEBUG_SIZE=$(ls -lh app/build/outputs/apk/debug/app-debug.apk | awk '{print $5}')
          echo "- Debug APK: $DEBUG_SIZE" >> $GITHUB_STEP_SUMMARY
        fi
        if [ -f app/build/outputs/apk/release/app-release-unsigned.apk ]; then
          RELEASE_SIZE=$(ls -lh app/build/outputs/apk/release/app-release-unsigned.apk | awk '{print $5}')
          echo "- Release APK: $RELEASE_SIZE" >> $GITHUB_STEP_SUMMARY
        fi
        echo "" >> $GITHUB_STEP_SUMMARY
        echo "### Features" >> $GITHUB_STEP_SUMMARY
        echo "- ✅ 200+ keyboard features" >> $GITHUB_STEP_SUMMARY
        echo "- ✅ 11 specialized engines" >> $GITHUB_STEP_SUMMARY
        echo "- ✅ 50+ user preferences" >> $GITHUB_STEP_SUMMARY
        echo "- ✅ ML Kit integration" >> $GITHUB_STEP_SUMMARY
        echo "- ⚠️  UI layer not yet implemented" >> $GITHUB_STEP_SUMMARY