<?php

namespace App\Http\Controllers;

use App\Models\Coupon;
use App\Models\Customer;
use App\Models\Invoice;
use App\Models\InvoicePayment;
use App\Models\Order;
use App\Models\Plan;
use App\Models\User;
use App\Models\UserCoupon;
use App\Models\Utility;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Crypt;
use Illuminate\Support\Facades\DB;

class PaystackPaymentController extends Controller
{
    //
    public    $secret_key;
    public    $public_key;
    public    $is_enabled;
    protected $invoiceData;


    public function paymentConfig()
    {
        if(\Auth::check())
        {
            $payment_setting = Utility::getAdminPaymentSetting();
        }
        else
        {
            $payment_setting = Utility::getCompanyPaymentSetting($this->invoiceData->created_by);
        }

        $this->secret_key = isset($payment_setting['paystack_secret_key']) ? $payment_setting['paystack_secret_key'] : '';
        $this->public_key = isset($payment_setting['paystack_public_key']) ? $payment_setting['paystack_public_key'] : '';
        $this->is_enabled = isset($payment_setting['is_paystack_enabled']) ? $payment_setting['is_paystack_enabled'] : 'off';
    }

    public function planPayWithPaystack(Request $request)
    {
        $planID    = \Illuminate\Support\Facades\Crypt::decrypt($request->plan_id);
        $plan      = Plan::find($planID);
        $authuser  = \Auth::user();
        $coupon_id = '';
        if($plan)
        {
            $price = $plan->price;
            if(isset($request->coupon) && !empty($request->coupon))
            {
                $coupons = Coupon::where('code', strtoupper($request->coupon))->where('is_active', '1')->first();
                if(!empty($coupons))
                {
                    $usedCoupun     = $coupons->used_coupon();
                    $discount_value = ($plan->price / 100) * $coupons->discount;
                    $price          = $plan->price - $discount_value;
                    if($coupons->limit == $usedCoupun)
                    {
                        return redirect()->back()->with('error', __('This coupon code has expired.'));
                    }
                    $coupon_id = $coupons->id;
                }
                else
                {
                    return redirect()->back()->with('error', __('This coupon code is invalid or has expired.'));
                }
            }

            if($price <= 0)
            {
                $authuser->plan = $plan->id;
                $authuser->save();

                $assignPlan = $authuser->assignPlan($plan->id);

                if($assignPlan['is_success'] == true && !empty($plan))
                {


                    $orderID = strtoupper(str_replace('.', '', uniqid('', true)));
                    Order::create(
                        [
                            'order_id' => $orderID,
                            'name' => null,
                            'email' => null,
                            'card_number' => null,
                            'card_exp_month' => null,
                            'card_exp_year' => null,
                            'plan_name' => $plan->name,
                            'plan_id' => $plan->id,
                            'price' => $price,
                            'price_currency' => !empty(env('CURRENCY')) ? env('CURRENCY') : 'USD',
                            'txn_id' => '',
                            'payment_type' => 'Paystack',
                            'payment_status' => 'succeeded',
                            'receipt' => null,
                            'user_id' => $authuser->id,
                        ]
                    );
                    $res['msg']  = __("Plan successfully upgraded.");
                    $res['flag'] = 2;

                    return $res;
                }
                else
                {
                    return redirect()->route('plans.index')->with('error', __('Plan fail to upgrade.'));

                }
            }
            $res_data['email']       = \Auth::user()->email;
            $res_data['total_price'] = $price;
            $res_data['currency']    = env('CURRENCY');
            $res_data['flag']        = 1;
            $res_data['coupon']      = $coupon_id;

            return $res_data;
        }
        else
        {
            return redirect()->route('plans.index')->with('error', __('Plan is deleted.'));

        }

    }

    public function getPaymentStatus(Request $request, $pay_id, $plan)
    {
        $payment = $this->paymentConfig();
        $planID  = \Illuminate\Support\Facades\Crypt::decrypt($plan);
        $plan    = Plan::find($planID);
        $user    = \Auth::user();
        $result  = array();


        if($plan)
        {
            try
            {
                $orderID = strtoupper(str_replace('.', '', uniqid('', true)));

                //The parameter after verify/ is the transaction reference to be verified
                $url = "https://api.paystack.co/transaction/verify/$pay_id";
                $ch  = curl_init();
                curl_setopt($ch, CURLOPT_URL, $url);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
                curl_setopt(
                    $ch, CURLOPT_HTTPHEADER, [
                           'Authorization: Bearer ' . $this->secret_key,
                       ]
                );
                $responce = curl_exec($ch);
                curl_close($ch);
                if($responce)
                {
                    $result = json_decode($responce, true);
                }

                if(isset($result['status']) && $result['status'] == true)
                {
                    $status = $result['data']['status'];
                    if($request->has('coupon_id') && $request->coupon_id != '')
                    {
                        $coupons = Coupon::find($request->coupon_id);
                        if(!empty($coupons))
                        {
                            $userCoupon         = new UserCoupon();
                            $userCoupon->user   = $user->id;
                            $userCoupon->coupon = $coupons->id;
                            $userCoupon->order  = $orderID;
                            $userCoupon->save();
                            $usedCoupun = $coupons->used_coupon();
                            if($coupons->limit <= $usedCoupun)
                            {
                                $coupons->is_active = 0;
                                $coupons->save();
                            }
                        }
                    }

                    $order                 = new Order();
                    $order->order_id       = $orderID;
                    $order->name           = $user->name;
                    $order->card_number    = '';
                    $order->card_exp_month = '';
                    $order->card_exp_year  = '';
                    $order->plan_name      = $plan->name;
                    $order->plan_id        = $plan->id;
                    $order->price          = $result['data']['amount'] / 100;
                    $order->price_currency = env('CURRENCY');
                    $order->txn_id         = $pay_id;
                    $order->payment_type   = __('Paystack');
                    $order->payment_status = $result['data']['status'];
                    $order->receipt        = '';
                    $order->user_id        = $user->id;
                    $order->save();

                    $assignPlan = $user->assignPlan($plan->id);
                    if($assignPlan['is_success'])
                    {
                        return redirect()->route('plans.index')->with('success', __('Plan activated Successfully.'));
                    }
                    else
                    {
                        return redirect()->route('plans.index')->with('error', $assignPlan['error']);
                    }
                }
                else
                {
                    return redirect()->back()->with('error', __('Transaction Unsuccesfull'));
                }
            }
            catch(\Exception $e)
            {
                return redirect()->route('plans.index')->with('error', __('Transaction has been failed.'));
            }
        }
        else
        {
            return redirect()->route('plans.index')->with('error', __('Plan is deleted.'));
        }
    }


    public function customerPayWithPaystack(Request $request)
    {

        $invoiceID = \Illuminate\Support\Facades\Crypt::decrypt($request->invoice_id);
        $invoice   = Invoice::find($invoiceID);
        $user      = User::find($invoice->created_by);


        if($invoice)
        {
            $price = $request->amount;
            if($price > 0)
            {
                $res_data['email']       = $user->email;
                $res_data['total_price'] = $price;
                $res_data['currency']    = Utility::getValByName('site_currency');
                $res_data['flag']        = 1;

                return $res_data;

            }
            else
            {
                $res['msg']  = __("Enter valid amount.");
                $res['flag'] = 2;

                return $res;
            }

        }
        else
        {
            return redirect()->back()->with('error', __('Invoice is deleted.'));

        }

    }

    public function getInvoicePaymentStatus(Request $request, $pay_id, $invoice_id)
    {
        $invoiceID         = \Illuminate\Support\Facades\Crypt::decrypt($invoice_id);
        $invoice           = Invoice::find($invoiceID);
        $this->invoiceData = $invoice;
        $payment           = $this->paymentConfig();
        $orderID           = strtoupper(str_replace('.', '', uniqid('', true)));
        $settings          = DB::table('settings')->where('created_by', '=', $invoice->created_by)->get()->pluck('value', 'name');


        $result = array();

        if($invoice)
        {
            try
            {

                //The parameter after verify/ is the transaction reference to be verified
                $url = "https://api.paystack.co/transaction/verify/$pay_id";
                $ch  = curl_init();
                curl_setopt($ch, CURLOPT_URL, $url);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
                curl_setopt(
                    $ch, CURLOPT_HTTPHEADER, [
                           'Authorization: Bearer ' . $this->secret_key,
                       ]
                );
                $responce = curl_exec($ch);
                curl_close($ch);
                if($responce)
                {
                    $result = json_decode($responce, true);
                }

                if(isset($result['status']) && $result['status'] == true)
                {

                    $payments = InvoicePayment::create(
                        [
                            'invoice_id' => $invoice->id,
                            'date' => date('Y-m-d'),
                            'amount' => $request->amount,
                            'payment_method' => 1,
                            'order_id' => $orderID,
                            'payment_type' => __('Paystack'),
                            'receipt' => '',
                            'description' => __('Invoice') . ' ' . Utility::invoiceNumberFormat($settings, $invoice->invoice_id),
                        ]
                    );

                    $invoice = Invoice::find($invoice->id);


                    if($invoice->getDue() <= 0)
                    {
                        Invoice::change_status($invoice->id, 4);
                    }
                    else
                    {
                        Invoice::change_status($invoice->id, 3);
                    }

                    //Slack Notification
                    $setting  = Utility::settings($invoice->created_by);
                    $customer = Customer::find($invoice->customer_id);
                    if(isset($setting['payment_notification']) && $setting['payment_notification'] == 1)
                    {
                        $msg = __("New payment of").' ' . $request->amount . __("created for").' ' . $customer->name . __("by").' '. __('Paystack'). '.';
                        Utility::send_slack_msg($msg,$invoice->created_by);
                    }

                    //Telegram Notification
                    $setting  = Utility::settings($invoice->created_by);
                    $customer = Customer::find($invoice->customer_id);
                    if(isset($setting['telegram_payment_notification']) && $setting['telegram_payment_notification'] == 1)
                    {
                        $msg = __("New payment of").' ' . $request->amount . __("created for").' ' . $customer->name . __("by").' '. __('Paystack'). '.';
                        Utility::send_telegram_msg($msg,$invoice->created_by);
                    }

                    //Twilio Notification
                    $setting  = Utility::settings($invoice->created_by);
                    $customer = Customer::find($invoice->customer_id);
                    if(isset($setting['twilio_payment_notification']) && $setting['twilio_payment_notification'] ==1)
                    {
                        $msg = __("New payment of").' ' . $request->amount . __("created for").' ' . $customer->name . __("by").' '.  $payments['payment_type'] . '.';
                        Utility::send_twilio_msg($customer->contact,$msg,$invoice->created_by);
                    }



                    return redirect()->route('invoice.link.copy', Crypt::encrypt($invoice->id))->with('success', __(' Payment successfully added.'));

                }
                else
                {

                    return redirect()->route('invoice.link.copy', Crypt::encrypt($invoice->id))->with('error', __('Transaction Unsuccesfull'));
                }
            }
            catch(\Exception $e)
            {

                return redirect()->route('invoice.link.copy', Crypt::encrypt($invoice->id))->with('error', __('Transaction has been failed.'));
            }
        }
        else
        {
            return redirect()->route('invoice.link.copy', Crypt::encrypt($invoice->id))->with('error', __('Invoice is deleted.'));
        }
    }
}
