/*
 * Copyright (C) 2017 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.development.featureflags;

import android.app.settings.SettingsEnums;
import android.content.Context;
import android.provider.SearchIndexableResource;

import com.android.settings.R;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.search.Indexable;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.development.DevelopmentSettingsEnabler;
import com.android.settingslib.search.SearchIndexable;

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

@SearchIndexable
public class FeatureFlagsDashboard extends DashboardFragment {

    private static final String TAG = "FeatureFlagsDashboard";

    @Override
    public int getMetricsCategory() {
        return SettingsEnums.SETTINGS_FEATURE_FLAGS_DASHBOARD;
    }

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

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

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        use(FeatureFlagFooterPreferenceController.class).setFooterMixin(mFooterPreferenceMixin);
    }

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

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

    private static List<AbstractPreferenceController> buildPrefControllers(Context context,
            Lifecycle lifecycle) {
        final List<AbstractPreferenceController> controllers = new ArrayList<>();
        final FeatureFlagFooterPreferenceController footerController =
                new FeatureFlagFooterPreferenceController(context);
        if (lifecycle != null) {
            lifecycle.addObserver(footerController);
        }
        controllers.add(footerController);
        return controllers;
    }

    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
            new BaseSearchIndexProvider() {
                @Override
                public List<SearchIndexableResource> getXmlResourcesToIndex(Context context,
                        boolean enabled) {
                    final List<SearchIndexableResource> result = new ArrayList<>();

                    final SearchIndexableResource sir = new SearchIndexableResource(context);
                    sir.xmlResId = R.xml.feature_flags_settings;
                    result.add(sir);
                    return result;
                }

                @Override
                protected boolean isPageSearchEnabled(Context context) {
                    return DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(context);
                }

                @Override
                public List<AbstractPreferenceController> createPreferenceControllers(
                        Context context) {
                    return buildPrefControllers(context, null /* lifecycle */);
                }
            };
}
