/*
  *

  *   Copyright (C) 2020, University of the Basque Country (UPV/EHU)

  *
  *  Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
  *
  *  This file is part of MCOP MCPTT Client
  *
  *  This is free software: you can redistribute it and/or modify it under the terms of
  *  the GNU General Public License as published by the Free Software Foundation, either version 3
  *  of the License, or (at your option) any later version.
  *
  *  This is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  *  See the GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License along
  *  with this program; if not, write to the Free Software Foundation, Inc.,
  *  59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
 
 package org.mcopenplatform.muoapi.managerIapi;
 
 import android.Manifest;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.os.Build;
 import android.support.v4.app.ActivityCompat;
 import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyManager;
 import android.util.Log;
 

 import org.mcopenplatform.muoapi.BuildConfig;
 

 
 class UtilsIapi {
     private final static String TAG = org.mcopenplatform.muoapi.utils.Utils.getTAG(UtilsIapi.class.getCanonicalName());
 
     protected static boolean isSimAvailable(Context context) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1) {
             SubscriptionManager sManager = (SubscriptionManager) context.getSystemService(Context.TELEPHONY_SUBSCRIPTION_SERVICE);

             if (ActivityCompat.checkSelfPermission(context, Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
                 return false;
             }else{
                 SubscriptionInfo infoSim1 = sManager.getActiveSubscriptionInfoForSimSlotIndex(0);
                 SubscriptionInfo infoSim2 = sManager.getActiveSubscriptionInfoForSimSlotIndex(1);
                 if (infoSim1 != null || infoSim2 != null) {
                     return true;
                 }

             }
         } else {
             TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
             if (ActivityCompat.checkSelfPermission(context, Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
                 if(BuildConfig.DEBUG) Log.e(TAG,"Not allowed to access the status of the sim now");
                 return false;
             }else
             if (telephonyManager.getSimSerialNumber() != null) {
                 return true;
             }
         }
         return false;
     }
 }