package io.invertase.firebase.ml.naturallanguage;

/*
 * Copyright (c) 2016-present Invertase Limited & Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this library except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import android.content.Context;
import io.invertase.firebase.common.UniversalFirebaseModule;

@SuppressWarnings("WeakerAccess")
class UniversalFirebaseMLNaturalLanguageTranslateModule extends UniversalFirebaseModule {
  UniversalFirebaseMLNaturalLanguageTranslateModule(Context context, String serviceName) {
    super(context, serviceName);
  }

  // TODO not available on iOS until SDK 6.0.0
//  /**
//   * @url No reference documentation yet...
//   */
//  public Task<String> translate(String appName, String text, Bundle translationOptionsMap) {
//    return Tasks.call(getExecutor(), () -> {
//      FirebaseApp firebaseApp = FirebaseApp.getInstance(appName);
//      FirebaseNaturalLanguage naturalLanguage = FirebaseNaturalLanguage.getInstance(firebaseApp);
//      FirebaseTranslatorOptions translatorOptions = getOptions(translationOptionsMap);
//      FirebaseTranslator translator = naturalLanguage.getTranslator(translatorOptions);
//      return Tasks.await(translator.translate(text));
//    });
//  }
//
//  /**
//   * @url No reference documentation yet...
//   */
//  public Task<List<Map<String, Object>>> modelManagerGetAvailableModels(String appName) {
//    return Tasks.call(getExecutor(), () -> {
//      FirebaseApp firebaseApp = FirebaseApp.getInstance(appName);
//      FirebaseTranslateModelManager translateModelManager = FirebaseTranslateModelManager.getInstance();
//      Set<FirebaseTranslateRemoteModel> modelsRaw = Tasks.await(translateModelManager.getAvailableModels(
//        firebaseApp));
//
//      List<Map<String, Object>> modelsArray = new ArrayList<>(modelsRaw.size());
//      for (FirebaseTranslateRemoteModel modelRaw : modelsRaw) {
//        Map<String, Object> modelMap = new HashMap<>();
//        modelMap.put("language", modelRaw.getLanguage());
//        modelMap.put("languageCode", modelRaw.getLanguageCode());
//        modelMap.put("backendModelName", modelRaw.getModelNameForBackend());
//        modelMap.put("persistUniqueModelName", modelRaw.getUniqueModelNameForPersist());
//        modelsArray.add(modelMap);
//      }
//
//      return modelsArray;
//    });
//  }
//
//  /**
//   * @url No reference documentation yet...
//   */
//  public Task<Void> modelManagerDeleteDownloadedModel(String appName, int language) {
//    return Tasks.call(getExecutor(), () -> {
//      FirebaseApp firebaseApp = FirebaseApp.getInstance(appName);
//      FirebaseTranslateModelManager translateModelManager = FirebaseTranslateModelManager.getInstance();
//      FirebaseTranslateRemoteModel model = new FirebaseTranslateRemoteModel.Builder(language)
//        .setFirebaseApp(firebaseApp)
//        .build();
//      Tasks.await(translateModelManager.deleteDownloadedModel(model));
//      return null;
//    });
//  }
//
//  /**
//   * @url No reference documentation yet...
//   */
//  public Task<Void> modelManagerDownloadRemoteModelIfNeeded(
//    String appName,
//    int language,
//    Bundle downloadConditionsBundle
//  ) {
//    return Tasks.call(getExecutor(), () -> {
//      FirebaseApp firebaseApp = FirebaseApp.getInstance(appName);
//      FirebaseTranslateModelManager translateModelManager = FirebaseTranslateModelManager.getInstance();
//      FirebaseModelDownloadConditions downloadConditions = getDownloadConditions(
//        downloadConditionsBundle);
//      FirebaseTranslateRemoteModel model = new FirebaseTranslateRemoteModel.Builder(language)
//        .setDownloadConditions(downloadConditions)
//        .setFirebaseApp(firebaseApp)
//        .build();
//      Tasks.await(translateModelManager.downloadRemoteModelIfNeeded(model));
//      return null;
//    });
//  }
//
//  private FirebaseModelDownloadConditions getDownloadConditions(Bundle downloadConditionsBundle) {
//    FirebaseModelDownloadConditions.Builder conditionsBuilder = new FirebaseModelDownloadConditions.Builder();
//
//    if (downloadConditionsBundle.containsKey("requireCharging") && downloadConditionsBundle.getBoolean(
//      "requireCharging")) {
//      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
//        conditionsBuilder.requireCharging();
//      }
//    }
//
//    if (downloadConditionsBundle.containsKey("requireDeviceIdle") && downloadConditionsBundle.getBoolean(
//      "requireDeviceIdle")) {
//      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
//        conditionsBuilder.requireDeviceIdle();
//      }
//    }
//
//    if (downloadConditionsBundle.containsKey("requireWifi") && downloadConditionsBundle.getBoolean(
//      "requireWifi")) {
//      conditionsBuilder.requireWifi();
//    }
//
//    return conditionsBuilder.build();
//  }
//
//  private FirebaseTranslatorOptions getOptions(Bundle translationOptionsBundle) {
//    FirebaseTranslatorOptions.Builder optionsBuilder = new FirebaseTranslatorOptions.Builder();
//
//    if (translationOptionsBundle.containsKey("sourceLanguage")) {
//      optionsBuilder.setSourceLanguage((int) ((double) translationOptionsBundle.get("sourceLanguage")));
//    } else {
//      optionsBuilder.setSourceLanguage(FirebaseTranslateLanguage.EN);
//    }
//
//    if (translationOptionsBundle.containsKey("targetLanguage")) {
//      optionsBuilder.setTargetLanguage((int) ((double) translationOptionsBundle.get("targetLanguage")));
//    } else {
//      optionsBuilder.setTargetLanguage(FirebaseTranslateLanguage.EN);
//    }
//
//    return optionsBuilder.build();
//  }
//
//  @Override
//  public Map<String, Object> getConstants() {
//    Map<String, Object> constantsMap = new HashMap<>();
//    Map<String, Object> languagesMap = new HashMap<>();
//    Set<Integer> languages = FirebaseTranslateLanguage.getAllLanguages();
//    for (Integer language : languages) {
//      languagesMap.put(FirebaseTranslateLanguage.languageCodeForLanguage(language), language);
//    }
//    constantsMap.put("TRANSLATE_LANGUAGES", languagesMap);
//    return constantsMap;
//  }
}