package com.example.cosmosclient.services;

import android.Manifest;
import android.app.IntentService;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.graphics.Color;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Build;
import android.os.Bundle;
import android.provider.Settings;
import android.support.annotation.RequiresApi;
import android.support.v4.app.ActivityCompat;
import android.util.Log;
import android.widget.Toast;

import com.example.cosmosclient.R;
import com.example.cosmosclient.app.Cosmos;
import com.example.cosmosclient.entities.AreaInformation;
import com.example.cosmosclient.entities.Feature;
import com.example.cosmosclient.entities.SignupResponse;
import com.example.cosmosclient.resources.LocationRest;
import com.example.cosmosclient.views.GroupListActivity;
import com.example.cosmosclient.views.SignupActivity;

import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.jackson.JacksonConverterFactory;


public class CosomosBackgroundService extends IntentService implements LocationListener {
    private Context context;
    private LocationManager locationManager;
    private Location LOC;
    private double leftLat,leftLon,rightLat,rightLon; //ここに計算予定
    private static final int MinTime = 1000;/*最小時間間隔*/
    private static final float MinDistance = 1;/*最小距離間隔*/

    public CosomosBackgroundService() {
        super("CosomosBackgroundService");
    }

    @Override
    public void onCreate() {
        super.onCreate();
//        Log.d("debug", "onCreate");
        context = getApplicationContext();
        // LocationManager インスタンス生成
        locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
    }

    @RequiresApi(api = Build.VERSION_CODES.O)
    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {

//        Log.d("debug", "onStartCommand");
        int requestCode = 0;
        String channelId = "default";
        String title = context.getString(R.string.app_name);
        PendingIntent pendingIntent =
                PendingIntent.getActivity(context, requestCode,
                        intent, PendingIntent.FLAG_UPDATE_CURRENT);
        // ForegroundにするためNotificationが必要、Contextを設定
        NotificationManager notificationManager =
                (NotificationManager) context.
                        getSystemService(Context.NOTIFICATION_SERVICE);
        // Notification　Channel 設定
        NotificationChannel channel = new NotificationChannel(
                channelId, title, NotificationManager.IMPORTANCE_DEFAULT);
        channel.setDescription("Silent Notification");
        // 通知音を消さないと毎回通知音が出てしまう
        // この辺りの設定はcleanにしてから変更
        channel.setSound(null, null);
        // 通知ランプを消す
        channel.enableLights(false);
        channel.setLightColor(Color.BLUE);
        // 通知バイブレーション無し
        channel.enableVibration(false);
        if (notificationManager != null) {
            notificationManager.createNotificationChannel(channel);
            Notification notification = new Notification.Builder(context, channelId)
                    .setContentTitle(title)
                    // 本来なら衛星のアイコンですがandroid標準アイコンを設定
                    .setSmallIcon(android.R.drawable.btn_star)
                    .setContentText("GPS")
                    .setAutoCancel(true)
                    .setContentIntent(pendingIntent)
                    .setWhen(System.currentTimeMillis())
                    .build();

            // startForeground
            startForeground(1, notification);
        }

        startGPS();

        return START_NOT_STICKY;
    }

    @RequiresApi(api = Build.VERSION_CODES.O)
    @Override
    protected void onHandleIntent(Intent intent) {
//        Log.d("debug", "onHandleIntent");
    }

    protected void startGPS() {
//        Log.d("debug", "startGPS");
        final boolean gpsEnabled
                = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);

        if (!gpsEnabled) {
            // GPSを設定するように促す
            enableLocationSettings();
        }

        if (locationManager != null) {
            try {
                if (ActivityCompat.checkSelfPermission(this,
                        Manifest.permission.ACCESS_FINE_LOCATION) !=
                        PackageManager.PERMISSION_GRANTED) {
                    return;
                }
//                Log.d("debug", "requestLocationUpdates:");

                locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,
                        MinTime, MinDistance, this);
            } catch (Exception e) {
//                Log.d("debug", "Exception:");

                e.printStackTrace();
            }
        } else {
        }
    }

    @Override
    public void onDestroy() {
//        Log.d("debug", "onDestroy");
        super.onDestroy();
    }

    @Override
    public void onLocationChanged(Location location) {
//        Log.d("debug", "onLocationChanged");
        Log.d("debug", "lat:" + location.getLatitude());
        Log.d("debug", "lon:" + location.getLongitude());
        LOC.setLatitude(location.getLatitude());
        LOC.setLongitude(location.getLongitude());
        if(LOC.hashCode() == 0){
            //retrofitの処理
            final Retrofit retrofit = new Retrofit.Builder()
                    .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/cosmos/rest/")
                    .addConverterFactory(JacksonConverterFactory.create())
                    .build();
            //interfaceから実装を取得
            final LocationRest LocationService = retrofit.create(LocationRest.class);

            leftLat = Math.floor((location.getLatitude() + 0.1) * 10.0) / 10.0;
            leftLon = Math.floor(location.getLongitude() * 10.0) / 10.0;

            rightLat = Math.floor(location.getLatitude() * 10.0) / 10.0;
            rightLon = Math.floor((location.getLongitude() + 0.1) * 10.0) / 10.0;

            //API呼び出しのための値入力
            Call<AreaInformation> call = LocationService.LocationService(leftLat,leftLon,rightLat,rightLon);

            //サーバからデータ受け取り
            call.enqueue(new Callback<AreaInformation>() {
                //成功時
                @Override
                public void onResponse(Call<AreaInformation> call, Response<AreaInformation> response) {
                    if (response.isSuccessful()) {
                        AreaInformation result = response.body();

                        //app/Cosmosに情報保存
                        Cosmos app = (Cosmos) getApplication();

                    } else {
                        //onFailureでキャッチできないエラー用

                    }
                }

                //失敗時
                @Override
                public void onFailure(Call<AreaInformation> call, Throwable t) {
                    t.printStackTrace();

                }
            });
        }
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {

    }

    @Override
    public void onProviderEnabled(String provider) {

    }

    @Override
    public void onProviderDisabled(String provider) {

    }

    private void enableLocationSettings() {
        Intent settingsIntent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
        startActivity(settingsIntent);
    }

}