<?php

namespace App\Http\Controllers\Api\V1\User;

use Exception;
use Carbon\Carbon;
use App\Models\Card;
use Illuminate\Support\Str;
use App\Constants\CardConst;
use Illuminate\Http\Request;
use App\Http\Helpers\Response;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\Validator;

class SaveCardController extends Controller
{
    /**
     * Method for get all the card method data
     * @return response
     */
    public function index(){
        $cards                      = Card::auth()->orderBy('id','desc')->get()->map(function($data){
            return [
                'slug'              => $data->slug,
                'name'              => decrypt($data->name),
                'type'              => $data->type,
                'card_number'       => decrypt($data->card_number),
                'card_cvc'          => decrypt($data->card_cvc),
                'expiry_date'       => decrypt($data->expiry_date),
                'default'           => $data->default,
            ];
        });
        return Response::success(['Cards data fetch successfully.'],[
            'cards'   => $cards
        ],200);

    }
    
    /**
     * Method for store the card method information
     * @return response
     * @param Illuminate\Http\Request $request
     */
    public function store(Request $request){
        $validator = Validator::make($request->all(), [
            'name'        => 'required',
            'card_number' => 'required|min:15|max:19',
            'card_cvc'    => 'required|min:3|max:4',
            'expiry_date' => 'required|min:5|max:5',
            'default'     => 'nullable'
        ]);

        if ($validator->fails()) {
            return Response::error($validator->errors()->all(),[]);
        }

        $validated = $validator->validate();

        // Remove spaces in card number and hash it for uniqueness check
        $card_number_cleaned = str_replace(' ', '', $validated['card_number']);
        
        $card_number_hash = hash('sha256', $card_number_cleaned);

        // Check if the card number hash already exists for this user
        if (Card::where('user_id', auth()->user()->id)
                ->where('card_number_hash', $card_number_hash)
                ->exists()) {
                    return Response::error(['This card number has already been added by you!'],[],400);
        }

        // Continue with validation for expiry date
        $exp_date = explode("/", $request->expiry_date);
        $month_data = str_replace(' ', '', $exp_date[0]);
        $year_data = str_replace(' ', '', $exp_date[1]);

        if ($month_data > 12) {
            return Response::error(['Invalid Month!'],[],400);
        }

        $current_month = Carbon::now()->format('m');
        $current_year = Carbon::now()->format('y');
        if ($current_year > $year_data) {
            return Response::error(['Invalid Year!'],[],400);
        }
        if ($current_month > $month_data && $current_year == $year_data) {
            return Response::error(['Month expired'],[],400);
        }

        // Encrypt sensitive data
        $validated['user_id']   = auth()->user()->id;
        $expiry_date = $month_data . '/' . $year_data;
        $validated['expiry_date'] = encrypt($expiry_date);
        $validated['type'] = CardConst::LIVE;
        $validated['slug'] = Str::uuid();
        $validated['name'] = encrypt($validated['name']);
        $validated['card_number'] = encrypt($card_number_cleaned);
        $validated['card_cvc'] = encrypt($validated['card_cvc']);
        $validated['card_number_hash'] = $card_number_hash;

        if(isset($validated['default']) != null){
            $cards      = Card::auth()->get();
            if($cards->count() != 0){
                foreach($cards ?? [] as $card){
                    try{
                        $card->update([
                            'default'    => false,
                        ]);
                    }catch(Exception $e){
                        return Response::error(['Something went wrong! Please try again.'],[],400);
                    }
                }
            }
        }

        try {
            $card = Card::create($validated);
        } catch (Exception $e) {
            return Response::error(['Something went wrong! Please try again.']);
        }

        return Response::success(['Card method created successfully.'],[],200); 
        
    }
    /**
     * Method for update the default card value
     * @param Illuminate\Http\Request $request
     */
    public function makeDefault(Request $request){
        $validator  = Validator::make($request->all(),[
            'slug'  => 'required'
        ]);
        if($validator->fails()) return Response::error($validator->errors()->all(),[]);
        $validated  = $validator->validate();

        $cards      = Card::auth()->where('slug','!=', $validated['slug'])->get();
        if($cards->count() != 0){
            foreach($cards ?? [] as $card){
                try{
                    $card->update([
                        'default'    => false,
                    ]);
                }catch(Exception $e){
                    return Response::error(['Something went wrong! Please try again.'],[],400);
                }
            }
        }
        $card       = Card::auth()->where('slug',$validated['slug'])->first();
        if(!$card) return Response::error(['Card not found!'],[],400);
        try{
            $card->update([
                'default'   => true
            ]);
        }catch(Exception $e){
            return Response::error(['Something went wrong! Please try again.'],[],400);
        }
        return Response::success(['Card status updated.'],[],200);
    }
    /**
     * Method for delete the card method
     * @return response
     * @param Illuminate\Http\Request $request
     */
    public function delete(Request $request){
        $card    = Card::where('slug',$request->slug)->first();
        if(!$card) return Response::error(['Card method not found!']);
        try{
            $card->delete();
        }catch(Exception $e){
            return Response::error(['Something went wrong! Please try again.']);
        }
        return Response::success(['Card deleted successfully.'],[],200);
    }
    
}

• [D] Auth
• [F] AddMoneyController.php
  Delete
• [F] DashboardController.php
  Delete
• [F] MerchantDetailsController.php
  Delete
• [F] ProfileController.php
  Delete
• [F] SaveCardController.php
  Delete
• [F] SettingController.php
  Delete
• [F] TransactionLogController.php
  Delete
• [F] TransferMoneyController.php
  Delete

About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

• Simplifying Payments, One Tap at a Time.
• Reinventing Your Wallet for Modern Convenience.
• Smart Payments for a Effortless Lifestyle.
• Experience the Ease of Tap and Pay.
• Innovative Solutions for Your Daily Transactions.

FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard