name: Build & Deploy APK

on:
  push:
    branches: [main]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        run: |
          git clone --depth 1 --branch "${GITHUB_REF_NAME}" \
            "${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git" .

      - name: Validate environment
        run: |
          echo "Java: $(java --version 2>&1 | head -1)"
          echo "ANDROID_HOME: $ANDROID_HOME"
          test -d "$ANDROID_HOME" || { echo "ERROR: ANDROID_HOME not set"; exit 1; }

      - name: Build Release APK
        run: |
          chmod +x ./gradlew
          ./gradlew assembleRelease --no-daemon

      - name: Deploy APK & update version
        run: |
          STORAGE="/home/user/itstransport/backend/storage/app/android"

          VERSION_NAME=$(grep 'versionName' app/build.gradle.kts | head -1 | sed 's/.*"\(.*\)".*/\1/')
          VERSION_CODE=$(grep 'versionCode' app/build.gradle.kts | head -1 | sed 's/[^0-9]*//g')

          APK=$(find app/build/outputs/apk/release -name "*.apk" | head -1)
          test -n "$APK" || { echo "ERROR: No APK found"; exit 1; }

          cp "$APK" "$STORAGE/app-release.apk"

          COMMIT_MSG=$(git log -1 --pretty=%s | sed 's/"/\\"/g')
          python3 -c "
          import json
          data = {
              'versionName': '$VERSION_NAME',
              'versionCode': int('$VERSION_CODE'),
              'releaseNotes': \"$COMMIT_MSG\"
          }
          with open('$STORAGE/version.json', 'w') as f:
              json.dump(data, f, indent=4, ensure_ascii=False)
              f.write('\n')
          "

          echo "Deployed v${VERSION_NAME} (code ${VERSION_CODE}) — $(du -h "$STORAGE/app-release.apk" | cut -f1)"