using System Collections using System Collections Generic using UnityE

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using VoxelBusters.NativePlugins;
using LitJson;

public class NotificationManager: MonoBehaviour
{

    public static NotificationManager instanse;

    private string deviceToken;
    private const int coldLunch = 1;
    private const int openByPush = 2;
    private const int receivedInOpenedApp = 3;

    private bool isLunchedByPush = false;
    private bool isDidRegistered = false;
    private string pushId = "";

    void Awake()
    {
        if (instanse != null)
        {
            Destroy(gameObject);
        }
        else
        {
            instanse = this;
            DontDestroyOnLoad(gameObject);
        }
    }

    void Start()
    {
        NPBinding.NotificationService.RegisterNotificationTypes(NotificationType.Alert | NotificationType.Badge | NotificationType.Sound);
        NPBinding.NotificationService.RegisterForRemoteNotifications();
    }

    private void OnEnable()
    {
        NotificationService.DidFinishRegisterForRemoteNotificationEvent += OnFinishedRemoteNotificationRegistration;
        NotificationService.DidLaunchWithRemoteNotificationEvent += OnLaunchedWithRemoteNotification;
        NotificationService.DidReceiveRemoteNotificationEvent += OnReceivingRemoteNotification;
    }

    private void OnDisable()
    {
        NotificationService.DidFinishRegisterForRemoteNotificationEvent -= OnFinishedRemoteNotificationRegistration;
        NotificationService.DidLaunchWithRemoteNotificationEvent -= OnLaunchedWithRemoteNotification;
        NotificationService.DidReceiveRemoteNotificationEvent -= OnReceivingRemoteNotification;
    }

    private void OnFinishedRemoteNotificationRegistration(string _deviceToken, string _error)
    {
        isDidRegistered = true;

        if (_error == null)
        {
            Logger.Debug("push token: " + _deviceToken);
            this.deviceToken = _deviceToken;

            if (isLunchedByPush)
            {
                APIManager.instanse.SendPushIdToServer(_deviceToken, pushId, coldLunch);
            }
            else
            {
                SendTokenToServer(_deviceToken);
            }
        }
        else
        {
            SendTokenToServer("0");
            Logger.Debug("push error: " + _error);
        }
    }

    private void SendTokenToServer(string token)
    {
        APIManager.instanse.SendTokenToServer(token);
    }

    private void OnLaunchedWithRemoteNotification(CrossPlatformNotification _notification)
    {
        isLunchedByPush = true;
        var data = _notification.UserInfo;
        pushId = data["pushId"].ToString();

        if (isDidRegistered)
        {
            APIManager.instanse.SendPushIdToServer(deviceToken, pushId, openByPush);
        }

        AppMetrica.Instance.ReportEvent(MetricaHelper.appOpenedByPush);
    }

    private void OnReceivingRemoteNotification(CrossPlatformNotification _notification)
    {
        var data = _notification.UserInfo;
        pushId = data["pushId"].ToString();

        APIManager.instanse.SendPushIdToServer(deviceToken, pushId, receivedInOpenedApp);
    }
}