/*
 * Copyright (C) 2018 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.car.settings.location;

import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.UserHandle;
import android.provider.Settings;
import android.view.View;

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

import com.android.car.settings.R;
import com.android.car.settings.common.SettingsFragment;
import com.android.car.settings.search.CarBaseSearchIndexProvider;
import com.android.car.ui.toolbar.MenuItem;
import com.android.settingslib.Utils;
import com.android.settingslib.search.SearchIndexable;

import java.util.Collections;
import java.util.List;

/**
 * Main page that hosts Location related preferences.
 */
@SearchIndexable
public class LocationSettingsFragment extends SettingsFragment {
    private static final IntentFilter INTENT_FILTER_LOCATION_MODE_CHANGED =
            new IntentFilter(LocationManager.MODE_CHANGED_ACTION);

    private LocationManager mLocationManager;
    private MenuItem mLocationSwitch;
    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            mLocationSwitch.setChecked(mLocationManager.isLocationEnabled());
        }
    };

    @Override
    public List<MenuItem> getToolbarMenuItems() {
        return Collections.singletonList(mLocationSwitch);
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mLocationSwitch = new MenuItem.Builder(getContext())
                .setCheckable()
                .setOnClickListener(menuItem ->
                        Utils.updateLocationEnabled(
                                requireContext(),
                                menuItem.isChecked(),
                                UserHandle.myUserId(),
                                Settings.Secure.LOCATION_CHANGER_SYSTEM_SETTINGS))
                .build();
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        enableRotaryScroll();
    }

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

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        mLocationManager = (LocationManager) context.getSystemService(Service.LOCATION_SERVICE);
    }

    @Override
    public void onStart() {
        super.onStart();
        requireContext().registerReceiver(mReceiver, INTENT_FILTER_LOCATION_MODE_CHANGED);
        mLocationSwitch.setChecked(mLocationManager.isLocationEnabled());
    }

    @Override
    public void onStop() {
        super.onStop();
        requireContext().unregisterReceiver(mReceiver);
    }

    public static final CarBaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
            new CarBaseSearchIndexProvider(R.xml.location_settings_fragment,
                    Settings.ACTION_LOCATION_SOURCE_SETTINGS);
}