<?php

namespace App\Payout;

use App\PayoutPreserve;
use App\PayoutStatus;
use App\Slack;
use App\WalletConfiguration;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Input;

require_once((_env('PAYTM_LIBRARY', '')).'config_paytm.php');
require_once((_env('PAYTM_LIBRARY', '')).'encdec_paytm.php');

class PayoutAPI{

    private $request;
    private $payload;
    public $can_disbursed = true;

    public function __construct(Request $request){
        $this->request = $request;
    }

    public function prepare(){
        $payoutStatus = PayoutStatus::whereNotIn('status',['SUCCESS','FAILURE'])->get();
        if(!count($payoutStatus)){
            $this->can_disbursed = true;
        }
        return $this;
    }

    public function initiateDisbursement(){
        if(!$this->can_disbursed)
            return false;
        /* initialize an array */
        $paytmParams = array();

        $walletConfiguration = WalletConfiguration::first();
        /* Find Sub Wallet GUID in your Paytm Dashboard at https://dashboard.paytm.com */
        $paytmParams["subwalletGuid"] = $walletConfiguration->subWalletGuid;

        /* Enter your order id which needs to be check disbursal status for */
        $paytmParams["orderId"] = 'M'.$this->request->get('id').'|'.time();

        /* Enter Beneficiary Account Number in which the disbursal needs to be made */
        $paytmParams["beneficiaryAccount"] = _env('PAYOUT_PAYTM_ENVIRONMENT') == 'TEST' ? "918008484891" : $this->request->get('beneficiaryAccount');

        /* Enter Beneficiary's Bank IFSC Code */
        $paytmParams["beneficiaryIFSC"] = _env('PAYOUT_PAYTM_ENVIRONMENT') == 'TEST' ? "PYTM0123456" : $this->request->get('beneficiaryIFSC');

        $paytmParams["beneficiaryName"] = _env('PAYOUT_PAYTM_ENVIRONMENT') == 'TEST' ? "PYTM0123456" : $this->request->get('beneficiaryName');

        /*Merchant can use this field to specify the disbursal mode. pass anyone from below NEFT, IMPS, UPI*/
        $paytmParams["transferMode"] = 'NEFT';

        /* Amount in INR to transfer */
        $paytmParams["amount"] = round($this->request->get('amount'), 2);

        /* Enter Purpose of transfer, possible values are: SALARY_DISBURSEMENT, REIMBURSEMENT, BONUS, INCENTIVE, OTHER */
        $paytmParams["purpose"] = "REIMBURSEMENT";

        /* Enter the date for which you wants to disburse the amount. Required if purpose is SALARY_DISBURSEMENT or REIMBURSEMENT */
        $paytmParams["date"] = Carbon::now()->toDateString();

        /* prepare JSON string for request body */
        $this->payload = json_encode($paytmParams, JSON_UNESCAPED_SLASHES);

        /**
         * Generate checksum by parameters we have in body
         * Find your Merchant Key in your Paytm Dashboard at https://dashboard.paytm.com/next/apikeys
         */
        $checksum = getChecksumFromString($this->payload, PAYOUT_PAYTM_MERCHANT_KEY);

        /* Find your MID in your Paytm Dashboard at https://dashboard.paytm.com/next/apikeys */
        $x_mid = PAYOUT_PAYTM_MERCHANT_MID;

        /* put generated checksum value here */
        $x_checksum = $checksum;

        /* for Staging */
        $url = _env('PAYOUT_PAYTM_API')."disburse/order/bank";

        /* for Production */
// $url = "https://dashboard.paytm.com/bpay/api/v1/disburse/order/bank";

        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $this->payload);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json", "x-mid: " . $x_mid, "x-checksum: " . $x_checksum));
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $response = curl_exec($ch);
        $preserveID = $this->preserve(__FUNCTION__, $response);
        return ['response' => json_decode($response), 'id' => $preserveID];
    }

    public function getDisbursementStatus($application_id){

        /* initialize an array */
        $paytmParams = array();

        /* Enter your order id which needs to be check disbursal status for */
        $paytmParams["orderId"] = $this->getOrderID($application_id);

        /* prepare JSON string for request body */
        $this->payload = json_encode($paytmParams, JSON_UNESCAPED_SLASHES);

        /**
         * Generate checksum by parameters we have in body
         * Find your Merchant Key in your Paytm Dashboard at https://dashboard.paytm.com/next/apikeys
         */
        $checksum = getChecksumFromString($this->payload, PAYOUT_PAYTM_MERCHANT_KEY);

        /* Find your MID in your Paytm Dashboard at https://dashboard.paytm.com/next/apikeys */
        $x_mid = PAYOUT_PAYTM_MERCHANT_MID;

        /* put generated checksum value here */
        $x_checksum = $checksum;

        /* for Staging */
        $url = _env('PAYOUT_PAYTM_API')."disburse/order/query";

        /* for Production */
// $url = "https://dashboard.paytm.com/bpay/api/v1/disburse/order/query";

        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $this->payload);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json", "x-mid: " . $x_mid, "x-checksum: " . $x_checksum));
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $response = curl_exec($ch);
        $preserveID = $this->preserve(__FUNCTION__, $response);
        return ['response' => json_decode($response), 'id' => $preserveID];
    }

    public function getDisbursalAccountLists(){
        /**
         * import checksum generation utility
         * You can get this utility from https://developer.paytm.com/docs/checksum/
         */

        /* initialize an array */
        $paytmParams = array('subwalletGuid' => '');

        /* prepare JSON string for request body */
        $this->payload = json_encode($paytmParams, JSON_UNESCAPED_SLASHES);

        /**
         * Generate checksum by parameters we have in body
         * Find your Merchant Key in your Paytm Dashboard at https://dashboard.paytm.com/next/apikeys
         */
        $checksum = getChecksumFromString($this->payload, PAYOUT_PAYTM_MERCHANT_KEY);

        /* Find your MID in your Paytm Dashboard at https://dashboard.paytm.com/next/apikeys */
        $x_mid = PAYOUT_PAYTM_MERCHANT_MID;

        /* put generated checksum value here */
        $x_checksum = $checksum;

        /* for Staging */
        $url = _env('PAYOUT_PAYTM_API')."account/list";

        /* for Production */
// $url = "https://dashboard.paytm.com/bpay/api/v1/account/list";

        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $this->payload);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/json", "x-mid: " . $x_mid, "x-checksum: " . $x_checksum));
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $response = curl_exec($ch);
        $response = json_decode($response, 1);
        return isset($response['result']) ? $response['result'] : [];
    }

    public function preserve($api, $response){
        $responseData = json_decode($response);


        $isExistingPayoutStatus = PayoutStatus::where('application_id', $this->request->get('id'))->first(['id']);
        if (isset($isExistingPayoutStatus->id)){
            $payoutStatus = PayoutStatus::find($isExistingPayoutStatus->id);
        }else{
            $payoutStatus = new PayoutStatus();
            $payoutStatus->application_id = $this->request->get('id');
            $payoutStatus->user_id = Auth::user() ? Auth::user()->id : (Input::has('auth_user_id') ? Input::get('auth_user_id') : 107);
        }

        $payoutStatus->status = $responseData->status;
        $payoutStatus->save();


        $payoutPreserve = new PayoutPreserve();
        $payoutPreserve->payout_status_id = $payoutStatus->id;
        $payoutPreserve->response = $response;
        $payoutPreserve->request = $this->payload;
        $payoutPreserve->user_id = Auth::user() ? Auth::user()->id : (Input::has('auth_user_id') ? Input::get('auth_user_id') : 107);
        $payoutPreserve->status = $responseData->status;
        $payoutPreserve->api = $api;
        $payoutPreserve->save();

        $responseDataArray = json_decode($response, 1);
        $responseDataArray = array_merge($responseDataArray, ['application_id' => $this->request->get('id')]);
        (new Slack(new Request(['title' => 'Paytm Payout '.$api.' Update', 'fields' => $responseDataArray, 'group' => Slack::$loan_disbursement_grp])))->send();

        return isset($payoutStatus->id) ? $payoutStatus->id : '';
    }

    public function getOrderID($application_id){
        $payout = PayoutStatus::where('application_id', $application_id)->first(['id']);
        if (isset($payout->id)){
            $PayoutPreserve = PayoutPreserve::where('payout_status_id',$payout->id)->where('status','ACCEPTED')->where('api','initiateDisbursement')->orderBy('created_at','desc')->first(['request']);
            if (isset($PayoutPreserve->request)){
                $PayoutPreserveResponse = json_decode($PayoutPreserve->request);
                if (isset($PayoutPreserveResponse->orderId)){
                    return $PayoutPreserveResponse->orderId;
                }
            }
        }
        return 'M'.$application_id;
    }
}