/*
 * Copyright (C) 2024 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file 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.
 */

package com.android.settings.language;

import android.content.Context;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;

import com.android.settings.R;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settings.flags.Flags;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.widget.PreferenceCategoryController;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;

import java.util.ArrayList;
import java.util.List;

public class SpeechSettings extends DashboardFragment {

    private static final String TAG = "SpeechSettings";
    private static final String KEY_SPEECH_CATEGORY = "speech_category";
    private static final String KEY_ON_DEVICE_RECOGNITION = "on_device_recognition_settings";
    private static final String KEY_TEXT_TO_SPEECH = "tts_settings_summary";

    @Override
    protected int getPreferenceScreenResId() {
        return R.xml.speech_settings;
    }

    @Override
    protected String getLogTag() {
        return TAG;
    }

    @Override
    public int getMetricsCategory() {
        return 0;
    }

    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
        return buildPreferenceControllers(context, getSettingsLifecycle());
    }

    private static List<AbstractPreferenceController> buildPreferenceControllers(
            @NonNull Context context, @Nullable Lifecycle lifecycle) {
        final List<AbstractPreferenceController> controllers = new ArrayList<>();

        final DefaultVoiceInputPreferenceController defaultVoiceInputPreferenceController =
                new DefaultVoiceInputPreferenceController(context, lifecycle);
        final TtsPreferenceController ttsPreferenceController =
                new TtsPreferenceController(context, KEY_TEXT_TO_SPEECH);
        final OnDeviceRecognitionPreferenceController onDeviceRecognitionPreferenceController =
                new OnDeviceRecognitionPreferenceController(context, KEY_ON_DEVICE_RECOGNITION);

        controllers.add(defaultVoiceInputPreferenceController);
        controllers.add(ttsPreferenceController);
        List<AbstractPreferenceController> speechCategoryChildren = new ArrayList<>(
                List.of(defaultVoiceInputPreferenceController, ttsPreferenceController));

        if (onDeviceRecognitionPreferenceController.isAvailable()) {
            controllers.add(onDeviceRecognitionPreferenceController);
            speechCategoryChildren.add(onDeviceRecognitionPreferenceController);
        }

        controllers.add(new PreferenceCategoryController(context, KEY_SPEECH_CATEGORY)
                .setChildren(speechCategoryChildren));

        return controllers;
    }

    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
            new BaseSearchIndexProvider(R.xml.language_and_region_settings) {

                @Override
                @NonNull
                public List<AbstractPreferenceController> createPreferenceControllers(
                        @NonNull Context context) {
                    return buildPreferenceControllers(context, null);
                }

                @Override
                protected boolean isPageSearchEnabled(Context context) {
                    if (Flags.regionalPreferencesApiEnabled()) {
                        return true;
                    }
                    return false;
                }
            };
}