thirdcont

<?php

namespace App\Http\Controllers;

use App\Loan;
use App\Log;
use App\Track;
use App\Transaction;
use App\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Hash;


class MtnController extends Controller
{
    //
    protected $client = null;
    protected $targetUrl = 'http://localhost:9003/api/v1/ussd/';
    // protected $targetUrl = 'https://2e382cf6-6610-4d72-8795-c28e77a479e8.mock.pstmn.io/';
    // protected $targetUrl = 'https://f2ba5a25-3fda-4ec2-a59e-4d96b59af7f4.mock.pstmn.io/';

    protected $_msisdn = null;
    protected $_input = null;
    protected $_sessionId = null;
    protected $defaultHeader = [];
    protected $_track = null;

    public function __construct()
    {
        $this->client = new \GuzzleHttp\Client();
        $this->defaultHeader = [
            //'client_id'=> 'cVsER5pyGvkJ3EhULQX9Edr82gNpMSwinIfx1mpS',
  'client_id' => '4uozrkmCPEJf4Es7b29vCfd9wucw7xBuW1bkyKSy',
            //'client_secret' => 'pmzAvipKUwVQeBDuMdGVvbwMd8faHTkkSHLrlALk8hheoJQsX8u6h0y0Eslt2HJdtaKc8OpZde505BHsHrZiyby5dLSr1gVBDlrx04M8XE0hyIvvbWOMlQTXmrZBobMW',
            'client_secret' => '4Sye9PCXIsSY65XT2FGVrvDl7YhmMIwwW2HsjWFjRrfgLlJZHTRO2DL0OsVWQEH7tVreANNrfYpFoMQl6X5kRwnkl0UuPsnPPjLVhNkhra5TNxRYa7vBLZcmgyamzrVE',
            //'password'=> 'SHZ+wc^Y7b',
            'password'=> '<3nT*mEEd^fGXBR',
            'grant_type'=> 'password',
            'username' => 'ussd',
            "MSISDN" => '+'.$this->_msisdn,
            "NETWORK_PROVIDER" => "1",
            "SESSION_ID" => $this->_sessionId,
            "Accept: application/x-www-form-urlencoded",
            "Content-Type: application/x-www-form-urlencoded",
            "cache-control: no-cache"
        ];


    }

    public function trackInit($sessionId, $msisdn) {
        $user = $this->getUser($msisdn);
        $tempTrack = Track::where('session_id', $sessionId)->first();

        if($tempTrack) {
            $this->_track = $tempTrack;
        }
        else {
            $this->_track = new Track();
            $this->_track->session_id = $sessionId;
            // $this->_track->user_id = $user->id;
            $this->_track->save();

        }
    }


 public function processRoutes(Request $request) {
        //$this->_msisdn = $request->input('phone');
         $this->_msisdn = $request->input('phone');
        $this->_input = $request->input('text');
        $this->_sessionId = $request->input('session');

        $this->trackInit($this->_sessionId, $this->_msisdn);

        $this->getNextInputType($request->input('text'));


        $this->defaultHeader['MSISDN'] = '+'. $this->_msisdn;
        $this->defaultHeader['SESSION_ID'] = $this->_sessionId;

        // $userTree = session('userTree');
        $userTree = $this->_track->userTree;

        switch ($userTree) {
            case '10':
                return  $this->showEnterFirstName();
                break;

            case '101':
                return  $this->showEnterLastName();
                break;
            case '1012':
                return  $this->showEnterTransactionPin();
                break;

            case '10123':
                return  $this->showEnterPassword();
                break;
            case '101234':
                return  $this->storePassword();
                break;

            case '1':
                return $this->showBalanceMenu();
            break;

            case '11':
                return $this->getWalletBalance();
            break;

            case '12':
                return $this->getRewardBalance();
            break;

            case '112':
                return $this->confirmPinForWalletBalance();
            break;

            case '122':
                return $this->confirmPinForRewardBalance();
            break;

            case '1123':
                return $this->confirmPinForWalletBalance();
            break;

            case '2':
                return $this->getSendMoney();
            break;

            case '21':
                return $this->confirmMSISDN();
            break;

            case '212':
                return $this->enterAmountToSend();
            break;

            case '2123':
                return $this->enterPinSendMoney();
            break;

            case '21234':
                return $this->confirmPinSendMoney();
            break;

            case '3':
                return $this->showTransactionHistory();
            break;

            case '31':
                return $this->comparePin();
            break;

            case '4':
                return $this->showLoan();
            break;

            case '41':
                return $this->selectLoanDuration();
            break;

            case '412':
                return $this->enterPinLoan();
            break;

            case '4123':
                return $this->postLoan();
            break;

            case '5' :
                return $this->getTipOfTheDay();
            break;

            case '6' :
                return $this->findAgents();
            break;

            case '61' :
                return $this->fetchAgentByCity();
            break;
            default:
              return $this->getMenu();
                break;
        }


    }

    private function getMenu() {
        if(!$this->isNewMSISDN()) {
            // session(['userTree' => '10']);
            // session(['isNextInputFromMenuList'=> true]);
            $this->_track->userTree = '10';
            $this->_track->isNextInputFromMenuList = true;
            $this->_track->save();
            $this->storeLog();
            return response()->json([
                "mobile_no" => $this->_msisdn,
                "text" => "Register to Tanadi. Press 1 to continue",
                "begin_end" => "0"
            ]);

        }
        else {

            // session(['isNextInputFromMenuList'=> false]);
            $this->setNextInput(false);
            $this->storeLog();
        //     return response("Welcome to Tanadi\n1.Check Balance\n2.Send Money\n3.Transaction history\n4.Loan\n5.Finance Literacy\n6.Find agents
        // ", 200)->withHeaders($this->getResponseHeader());
        return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Welcome to Tanadi\n1.Check Balance\n2.Send Money\n3.Transaction history\n4.Loan\n5.Finance Literacy\n6.Find agents",
            "begin_end" => "0"
        ]);
        }
    }

    private function showEnterFirstName() {
        $this->addToTree(1);
        $user = new User();
        $user->msisdn = $this->_msisdn;
        $user->save();
        $this->_track->user_id = $user->id;
        $this->_track->save();
        $this->storeLog();
       // return response("Enter your first name", 200)->withHeaders($this->getResponseHeader());
       return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter your first name",
            "begin_end" => "0"
        ]);
    }

    private function showEnterLastName() {
        $this->addToTree(2);
        $user = User::where('msisdn',  $this->_msisdn)->first();
        $user->firstname = $this->_input;
        $user->save();
        $this->storeLog();
        //return response("Enter your last name", 200)->withHeaders($this->getResponseHeader());
               return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter your last name",
            "begin_end" => "0"
        ]);
    }

    private function showEnterTransactionPin() {
        $this->addToTree(3);
        $user = User::where('msisdn', $this->_msisdn)->first();
        $user->lastname = $this->_input;
        $user->save();
        $this->storeLog();
        // return response("Enter your pin", 200)->withHeaders($this->getResponseHeader());
           return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter your pin",
            "begin_end" => "0"
        ]);
    }

    private function showEnterPassword() {
        $this->addToTree(4);
        $user = User::where('msisdn', $this->_msisdn)->first();
        $user->pin =  $this->_input;
        $user->save();
        $this->storeLog();
        //return response("Enter your password", 200)->withHeaders($this->getResponseHeader());
         return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter your password",
            "begin_end" => "0"
        ]);
    }

    private function storePassword() {
       // $this->addToTree(5);
        $user = User::where('msisdn', $this->_msisdn)->first();
        $user->password = $this->_input;
        $user->save();
        $this->storeLog();

        $token = $this->generateToken();
        //dd($token);
        //dd($user->pin);
        $this->storeAccessToken($token->access_token, $token->refresh_token, $token->expires_in);
        $this->defaultHeader['Authorization'] = 'Bearer '.$this->_track->access_token;
        $response = $this->client->request('POST', $this->targetUrl . 'register',
        [
            'headers' => $this->defaultHeader,
            'form_params'=> [
                'phone_number' => "+".$user->msisdn,
                'password'=> $this->_input,
                'firstname'=> $user->firstname,
                'lastname'=> $user->lastname,
                'transaction_pin'=> $user->pin,
            ]
        ]);

        $response = $response->getBody()->getContents();
        //dd($response);
        //Todo:: this next line is to be executed after a successful submission

        //return response("Registered successfully", 200)->withHeaders($this->getResponseHeader(false));
         return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Registered successfully",
            "begin_end" => "1"
        ]);
    }



    public function getResponseHeader($continue = true) {

        $defaultParameters =  [
            "Set-Cookie"=> "PHPSESSID=i45681p3m5s4o8ns7603jrnvg3; path=/",
            "Expires"=> -1,
            "Cache-Control"=> "max-age=0",
            "Pragma"=> "no-cache",
            "Path"=> "/Airtelussd/fcmb/index.php",
            "Charge"=> "Y",
            "Amount"=> "10",
            "Connection"=> "close",
            "Content-Type"=> "application/json"
        ];
        if($continue) {
            $flowArray = [ "Freeflow"=> "FC"];
            return array_merge($defaultParameters, $flowArray);
        }
        $flowArray = [ "Freeflow"=> "FB"];
        $this->clearSessions();
        return array_merge($defaultParameters, $flowArray);
    }

    private function addToTree($value) {

        $currentTree = $this->_track->userTree;
        $convertTreeToString = ''.$currentTree .''.$value;
        $this->storeLog();

        $this->_track->userTree = $convertTreeToString;
        $this->_track->save();
    }

    private function setNextInput($value) {
        $this->_track->isNextInputFromMenuList = $value;
        $this->_track->save();
    }

    private function showBalanceMenu() {
        // $this->addToTree(1);
        // session(['isNextInputFromMenuList' => false]);
        $this->setNextInput(false);
        $this->storeLog();
       // return response("Select Wallet type\n1.User wallet balance\n2.Reward balance", 200)->withHeaders($this->getResponseHeader());
       return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Select Wallet type\n1.User wallet balance\n2.Reward balance",
            "begin_end" => "0"
        ]);

    }

    private function getWalletBalance() {
        $this->addToTree(2);
        // session(['isNextInputFromMenuList'=> true]);
        $this->setNextInput(true);
        $this->storeLog();
        //return response("Enter transaction pin", 200)->withHeaders($this->getResponseHeader());
         return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter transaction pin",
            "begin_end" => "0"
        ]);
        // dd(session('userTree'));
    }


    private function getRewardBalance() {
        $this->addToTree(2);
        // session(['isNextInputFromMenuList'=> true]);
        $this->setNextInput(true);
        $this->storeLog();
       // return response("Enter transaction pin for reward balance", 200)->withHeaders($this->getResponseHeader());
         return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter transaction pin for reward balance",
            "begin_end" => "0"
        ]);
        // dd(session('userTree'));
    }

    private function confirmPinForWalletBalance() {

        $response = $this->postVerifyPin($this->_input);
        // dd($response);
        $this->storeLog();
        if ($response->status != 200) {
           // return response("Pin is incorrect", 200)->withHeaders($this->getResponseHeader(false));
           return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Pin is incorrect",
            "begin_end" => "1"
        ]);
        }
        $fetchBalanceResult = $this->fetchRemoteData('/wallet-balance');

        // dd($fetchBalanceResult);
        //return response("Your wallet balance is " .$fetchBalanceResult->response->balance, 200)->withHeaders($this->getResponseHeader(false));
         return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Your wallet balance is " .$fetchBalanceResult->response->balance,
            "begin_end" => "1"
        ]);
    }

    private function confirmPinForRewardBalance() {

        $response = $this->postVerifyPin($this->_input);
        $this->storeLog();
        if ($response->status != 200) {
           // return response("Pin is incorrect", 200)->withHeaders($this->getResponseHeader(false));
           return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Pin is incorrect",
            "begin_end" => "1"
        ]);
        }
        $fetchBalanceResult = $this->fetchRemoteData('/rewards');
        //dd($fetchBalanceResult);
        if($fetchBalanceResult->status != 200){
             return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "".$fetchBalanceResult->message->detail,
            "begin_end" => "1"
        ]);
        }
        //return response("Your reward balance is " .$fetchBalanceResult->response->balance, 200)->withHeaders($this->getResponseHeader(false));
           return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Your reward balance is " .$fetchBalanceResult->response->balance,
            "begin_end" => "1"
        ]);
    }


    private function postVerifyPin($pin) {
       //dd($this->defaultHeader);
       $token = $this->generateToken();
       //dd($token);
       $this->storeAccessToken($token->access_token, $token->refresh_token, $token->expires_in);
       $this->defaultHeader['Authorization'] = 'Bearer '.$this->_track->access_token;
       $this->defaultHeader['MSISDN'] = '+'.$this->_msisdn;
       //dd($pin);
        $response = $this->client->request('POST', $this->targetUrl . 'verify-user-pin',
        [
            'headers' => $this->defaultHeader,
            'form_params'=> [
                "pin"=> $pin
            ]
        ]);
       $response = $response->getBody()->getContents();

       $decodedResponse = json_decode($response);
       //dd($decodedResponse);
        return $decodedResponse;
    }

    private function isNewMSISDN() {
     $user = User::where('msisdn', $this->_msisdn)->first();

     if($user){
         return true;
     }
     return false;
    }

    private function getNextInputType($input) {

        if(!$this->_track->isNextInputFromMenuList && $this->_track->sessionStarted) {
            $this->addToTree($input);
        }

        // if(!session('sessionId')){
        //     session(['sessionId' => rand(0, 100000)]);
        // }
        // session(['sessionStarted'=> true]);

        $this->_track->sessionStarted = true;
        $this->_track->save();
    }

    private function fetchRemoteData($appendedUrl) {
        $request = $this->client->get('' .$this->targetUrl . ''. $appendedUrl, [
            'headers' => $this->defaultHeader,

        ]);
        $response = $request->getBody()->getContents();
        // $response = json _decode($this->client->get('' .$this->targetUrl . ''. $appendedUrl)->getBody());
          $decodedResponse = json_decode($response);
        return $decodedResponse;
    }


    ////////////////////////////////////////
    ///////// For sending money case 2 /////
  ////////////////////////////////////////

  private function getSendMoney() {
    $this->addToTree(1);
    $this->storeLog();
    // session(['isNextInputFromMenuList' => true]);
    $this->setNextInput(true);
    //return response("Enter recipient number", 200)->withHeaders($this->getResponseHeader());
      return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter recipient number",
            "begin_end" => "0"
        ]);
  }

  private function confirmMSISDN() {

      $user = $this->getUser($this->_input);
      $this->storeLog();
      if (!$user){
        //return response("Recipient does not exists", 200)->withHeaders($this->getResponseHeader(false));
         return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Recipient does not exists",
            "begin_end" => "1"
        ]);
      }
      $transaction = new Transaction();
      $transaction->recipient_msisdn = $this->_input;
      $transaction->user_id = $user->id;
      $transaction->save();

      $this->storeLog();
    //   session(['transaction' => $transaction->id]);
    $this->_track->transaction_id = $transaction->id;
        $this->addToTree(2);
    //   session(['isNextInputFromMenuList' => true]);
    $this->setNextInput(true);
     // return response("Confirm if this recipient ". $transaction->recipient_msisdn ."\n Press any key to confirm", 200)->withHeaders($this->getResponseHeader());
      return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Confirm if this recipient ". $transaction->recipient_msisdn ."\n Press any key to confirm",
            "begin_end" => "0"
        ]);
  }


  private function enterAmountToSend() {
       $this->addToTree(3);
    //   session(['isNextInputFromMenuList' => true]);
    $this->setNextInput(true);
      $this->storeLog();
      //return response("Enter Amount", 200)->withHeaders($this->getResponseHeader());
      return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter Amount",
            "begin_end" => "0"
        ]);
  }


  private function enterPinSendMoney() {
    $transaction = Transaction::where('id', $this->_track->transaction_id)->first();

    // dd($this->input);
    $transaction->amount = $this->_input;
    $transaction->save();

     $this->addToTree(4);
     $this->storeLog();
    // session(['isNextInputFromMenuList' => true]);
    $this->setNextInput(true);
    //return response("Enter pin", 200)->withHeaders($this->getResponseHeader());
    return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter pin",
            "begin_end" => "0"
        ]);
}


private function confirmPinSendMoney() {
    $transaction = Transaction::where('id', $this->_track->transaction_id)->first();

    $token = $this->generateToken();
    //dd($token);
    //dd($user->pin);
    $this->storeAccessToken($token->access_token, $token->refresh_token, $token->expires_in);
    $this->defaultHeader['Authorization'] = 'Bearer '.$this->_track->access_token;
   $this->defaultHeader['MSISDN'] = '+' . $this->_msisdn;
            $firstResponse = $this->client->request('POST', $this->targetUrl . 'send-money',
    [
        'headers' => $this->defaultHeader,
        'form_params'=> [
            "payee_phone_number"=> '+'.$transaction->recipient_msisdn,
            "amount" => $transaction->amount,
            "transaction_pin" => $this->_input
        ]
    ]);
    $response = json_decode($firstResponse->getBody()->getContents());
    // dd($response);
    $this->storeLog();
    if($response->status != 200) {
      //  return response("Please enter valid transaction pin", 200)->withHeaders($this->getResponseHeader(false));
      return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Please enter valid transaction pin",
            "begin_end" => "1"
        ]);
    }

    $transaction->status = "COMPLETED";
    $transaction->save();
    $this->storeLog();
    //return response("You just sent ".$response->response->amount, 200)->withHeaders($this->getResponseHeader(false));
     return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "You just sent ".$response->response->amount,
            "begin_end" => "1"
        ]);
}

  private function getUser($msisdn) {
      $user = User::where('msisdn', $msisdn)->first();
      return $user;
  }


  ////////////////////////////////////////////////
  ////////// TRANSACTION HISTORY ////////////////
  //////////////////////////////////////////////

  private function showTransactionHistory() {
    $this->addToTree(1);
    // session(['isNextInputFromMenuList' => true]);
    $this->setNextInput(true);
    //return response("Enter account pin", 200)->withHeaders($this->getResponseHeader());
     return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter account pin",
            "begin_end" => "0"
        ]);
  }

  private function comparePin() {
      $user = $this->getUser($this->_msisdn);

    //   if(!Hash::check($this->_input, $user->pin)) {
    //     return response ("Pin is incorrect ",
    //     200)->withHeaders($this->getResponseHeader());
    //   }

    $this->storeLog();
    $pinResponse = $this->postVerifyPin($this->_input);
    if ($pinResponse->status != 200) {
       // return response("Pin is incorrect", 200)->withHeaders($this->getResponseHeader(false));
        return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Pin is incorrect",
            "begin_end" => "1"
        ]);
    }

      $response = $this->fetchRemoteData('/transactions');

      $reducedArray = array_reduce($response->response, [$this,"convertTransactionsToString"]);
        // dd($reducedArray);
      //return response("Your transaction history" .$reducedArray, 200)->withHeaders($this->getResponseHeader(false));
      return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Your transaction history\n" .$reducedArray,
            "begin_end" => "1"
        ]);
  }

  private static function convertTransactionsToString($prev, $current) {

        return $prev ." " .$current->date . " " . $current->amount . " " . $current->type ."\n";

  }




  //////////////////////////////////////////////
  ///////////  LOAN ///////////////////////////
  ////////////////////////////////////////////


  private function showLoan() {
   $response =  $this->postLoanEligibility();
   dd($response);
    $amount = 12345;
    $this->addToTree(1);
    // session(['isNextInputFromMenuList' => true]);
    $this->setNextInput(true);
  // return response ("You are eligible for N".$amount . " \nEnter amount you would like to apply for" ,  200)->withHeaders($this->getResponseHeader());
    return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "You are eligible for N".$amount . " \nEnter amount you would like to apply for",
            "begin_end" => "0"
        ]);

  }

  private function selectLoanDuration() {

    $response =  $this->postValidateLoanAmount($this->_input);

    $loan = new Loan();
      $user = $this->getUser($this->_msisdn);
      $loan->user_id = $user->id;
      $loan->amount = $this->_input;
      $loan->save();

    //   session(['loan'=> $loan->id]);
    $this->_track->loan_id = $loan->id;

      $this->addToTree(2);
    //   session(['isNextInputFromMenuList'=> true]);
    $this->setNextInput(true);
      $this->storeLog();
    //return response ("Enter Loan Tenure \n1. 4 Weeks \n2. 6 Weeks \n3. 12 Weeks" , 200)->withHeaders($this->getResponseHeader());
     return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter Loan Tenure \n1. 4 Weeks \n2. 6 Weeks \n3. 12 Weeks",
            "begin_end" => "0"
        ]);
  }

  private function enterPinLoan() {
    $loan = Loan::where('id', $this->_track->loan_id)->first();

    switch ($this->_input) {
        case '1':
            $loan->duration = '4';
            break;

            case '2':
                $loan->duration = '6';
                break;
                case '3':
                    $loan->duration = '12';
                    break;

        default:
       // return response ("Not a valid input" ,
         //   200)->withHeaders($this->getResponseHeader(false));
          return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Not a valid input" ,
            "begin_end" => "1"
        ]);
            break;
    }
    // $loan->duration = $this->_input;
    $loan->save();

    $this->addToTree(3);
    $this->storeLog();
    // session(['isNextInputFromMenuList'=> true]);
    $this->setNextInput(true);
    //return response("Enter account pin", 200)->withHeaders($this->getResponseHeader());
    return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter account pin" ,
            "begin_end" => "0"
        ]);
  }

  private function postLoan() {

    $pinResponse = $this->postVerifyPin($this->_input);
    if ($pinResponse->status != 200) {
      //  return response("Pin is incorrect", 200)->withHeaders($this->getResponseHeader(false));
      return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Pin is incorrect" ,
            "begin_end" => "1"
        ]);
    }

    $this->storeLog();
    $loan = Loan::where('id', $this->_track->loan_id)->first();
    $submitResponse = $this->client->request('POST', $this->targetUrl . 'loan-emis',
    [
        'headers' => $this->defaultHeader,
        'form_params'=> [
           'amount' => $loan->amount,
           'duration' => $loan->duration
        ]
    ]);
    $decodedResponse = json_decode($submitResponse->getBody()->getContents());
    if($decodedResponse->status != 200) {
      //  return response ("An error occurred",
        //     200)->withHeaders($this->getResponseHeader(false));
        return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "An error occurred",
            "begin_end" => "1"
        ]);
    }

    $reducedArray = array_reduce($decodedResponse->response->data, [$this,"convertLoanResponseToString"]);
    //return response("Your request was approved. Your loan information" .$reducedArray, 200)->withHeaders($this->getResponseHeader(false));
    return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Your request was approved. Your loan information" .$reducedArray,
            "begin_end" => "1"
        ]);
  }

  private static function convertLoanResponseToString($prev, $current) {
    return $prev ." " .$current->installemt . " " . $current->amount . " " . $current->due_date ."\n";
  }

  private function postLoanEligibility() {
    $token = $this->generateToken();
    $this->storeAccessToken($token->access_token, $token->refresh_token, $token->expires_in);
    $this->defaultHeader['Authorization'] = 'Bearer '.$this->_track->access_token;
   $this->defaultHeader['MSISDN'] = '+' . $this->_msisdn;
    $response = $this->client->request('POST', $this->targetUrl . 'loan-eligible-amount',
    [
        'headers' => $this->defaultHeader,
        'form_params'=> [

        ]
    ]);
   return $response = $response->getBody()->getContents();

  }

  private function postValidateLoanAmount($amount) {
    $response = $this->client->request('POST', $this->targetUrl . 'loan-validate-amount',
    [
        'headers' => $this->defaultHeader,
        'form_params'=> [
           'amount' => $amount
        ]
    ]);
   return $response = $response->getBody()->getContents();

  }

  private function isPinCorrect($inputPin) {
    $user = $this->getUser($this->_msisdn);

    if(!Hash::check($this->_input, $user->pin)) {
      return false;
    }

    return true;
  }


  ///////////////////////////////////////////
  ///////// FINANCE LITERACY  //////////////
  //////////////////////////////////////////

 private function getTipOfTheDay() {
    $response = $this->fetchRemoteData('tips');
    // $response = $this->fetchRemoteData('playroute');

    $this->storeLog();
    // $decodedResponse = json_decode($response);

    // dd(decodedResponse->responsedecodedResponse->response->balance);
   // return response ($response->response->content ,
     //    200)->withHeaders($this->getResponseHeader());
     return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => $response->response->content ,
            "begin_end" => "1"
        ]);

 }


 ///////////////////////////////////////////////
 ///////// FIND AGENTS ////////////////////////
 /////////////////////////////////////////////
 private function findAgents() {
    // session(['userTree' => '1']);
    $this->addToTree(1);
    $this->storeLog();
    // session(['isNextInputFromMenuList'=> true]);
    $this->setNextInput(true);
    //return response ("Enter your location" ,
      //   200)->withHeaders($this->getResponseHeader());
      return response()->json([
            "mobile_no" => $this->_msisdn,
            "text" => "Enter your location" ,
            "begin_end" => "0"
        ]);

 }

 private function fetchAgentByCity() {
    $userInput = $this->_input;
    $this->storeLog();
    $response = $this->fetchRemoteData('agents?search='.$userInput);
    // dd($response);
    $totalCount = $response->response->total_count;
    if($totalCount == 0){
       // return response ("There are no agents in your city" ,
       // 200)->withHeaders($this->getResponseHeader(false));
    return response()->json([
        "mobile_no" => $this->_msisdn,
        "text" => "There are no agents in your city" ,
        "begin_end" => "1"
    ]);
    }
    $reducedArray = array_reduce($response->response->status, [$this, "convertAgenListsToString"]);
   // return response ("Agents around are ".$reducedArray , 200)->withHeaders($this->getResponseHeader());
   return response()->json([
        "mobile_no" => $this->_msisdn,
        "text" => "Agents around are ".$reducedArray,
        "begin_end" => "1"
    ]);

 }

 private static function convertAgenListsToString($prev, $current) {
    return $prev ." " .$current->firstname . " " . $current->lastname . " [" . $current->phone_number ."]\n";
 }


 ///////////////////////////////////////////////
 ///////////// CLEAR SESSIONS /////////////////
 /////////////////////////////////////////////

 public function clearSessions()  {
    session()->forget('userTree');
    session()->forget('sessionStarted');
    session()->forget('loan');
    session()->forget('transaction');
    session()->forget('sessionId');
 }


 ////////////////////////////////////////////
 /////////// STORE LOGS ////////////////////
 //////////////////////////////////////////

 public function storeLog() {
    $user = $this->getUser($this->_msisdn);
    if(!$user) {
        return;
    }
    $log = new Log();
    $log->user_tree = $this->_track->userTree;
    $log->session_id = $this->_track->session_id;
    $log->user_id = $user->id;
    $log->save();

    return;
 }

  ////////////////////////////////////////
 /////////// Generate token ////////////
 ///////////////////////////////////////

    public function generateToken () {

        $this->defaultHeader['MSISDN'] = $this->_msisdn;
        $this->defaultHeader['SESSION_ID'] = $this->_sessionId;
        // dd($this->defaultHeader);
    $response = $this->client->request('POST', "http://localhost:9003/api/v1/o/token/",
    [
        'headers' => $this->defaultHeader,
        'form_params'=> [
         //'client_id'=> 'cVsER5pyGvkJ3EhULQX9Edr82gNpMSwinIfx1mpS',
            'client_id' => '4uozrkmCPEJf4Es7b29vCfd9wucw7xBuW1bkyKSy',
            //'client_secret' => 'pmzAvipKUwVQeBDuMdGVvbwMd8faHTkkSHLrlALk8hheoJQsX8u6h0y0Eslt2HJdtaKc8OpZde505BHsHrZiyby5dLSr1gVBDlrx04M8XE0hyIvvbWOMlQTXmrZBobMW',
            'client_secret' => '4Sye9PCXIsSY65XT2FGVrvDl7YhmMIwwW2HsjWFjRrfgLlJZHTRO2DL0OsVWQEH7tVreANNrfYpFoMQl6X5kRwnkl0UuPsnPPjLVhNkhra5TNxRYa7vBLZcmgyamzrVE',
            //'password'=> 'SHZ+wc^Y7b',
            'password'=> '<3nT*mEEd^fGXBR',
            'grant_type'=> 'password',
            'username' => 'ussd',
            "MSISDN" => $this->_msisdn,
            "NETWORK_PROVIDER" => "1",
            "SESSION_ID" => $this->_sessionId,
            "Accept: application/x-www-form-urlencoded",
            "Content-Type: application/x-www-form-urlencoded",
            "cache-control: no-cache"
        ]
    ]);

    $response = json_decode($response->getBody()->getContents());
    return $response;
 }

     public function storeAccessToken($accessToken, $refreshToken, $expiresIn) {
     $this->_track->access_token = $accessToken;
     $this->_track->refresh_token = $refreshToken;
     $this->_track->expires = $expiresIn;

     $this->_track->save();
 }
}