<?php


namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Stripe\Stripe;
use Stripe\Checkout\Session;
use Illuminate\Support\Str;
use App\Models\Payment;
use App\Repositories\CardRepositoryInterface;


class StripeController extends Controller
{

    public function __construct(CardRepositoryInterface $cardRepository)
    {
        $this->cardRepository = $cardRepository;
    }


    public function createCheckoutSession(Request $request)
    {

        Stripe::setApiKey(env('STRIPE_SECRET_KEY'));

        $count = $request->input('count');
        $clientSessionId = Str::uuid();

        $priceIds = [
            3 => 'price_1S51zxGaZ3yeYkzWYb0wSt4j',
            21 => 'price_1S5464GaZ3yeYkzWh8RuJfab',
        ];

        if (!isset($priceIds[$count])) {
            return response()->json(['error' => 'Invalid product selected.'], 400);
        }

        try {
            $session = Session::create([
                'line_items' => [[
                    'price' => $priceIds[$count],
                    'quantity' => 1,
                ]],
                'mode' => 'payment',
                'success_url' => url(env('APP_URL') . '/success?client_session_id=' . $clientSessionId),
                'cancel_url' => url(env('APP_URL') . '/cancel'),
                'metadata' => [
                    'draw_count' => $request->input('count'),
                    'client_session_id' => $clientSessionId,
                ],
            ]);

            Payment::create([
                'amount' => $session->amount_total / 100,
                'currency' => $session->currency,
                'stripe_session_id' => $session->id,
                'client_session_id' => $clientSessionId,
                'draw_count' => $count,
                'status' => 'pending',
            ]);

            return response()->json(['sessionId' => $session->id]);

        } catch (\Exception $e) {
            \Log::error('Stripe session creation failed: ' . $e->getMessage());
            return response()->json(['error' => 'Could not create checkout session.'], 500);
        }
    }

    public function createRendezVousSession(Request $request)
    {
        Stripe::setApiKey(env('STRIPE_SECRET_KEY'));

        $userForm = $request->input('userForm');
        $dateAppointment = $request->input('selectedDate');
        $clientSessionId = Str::uuid();
        $priceId = 'price_1S5ifuGaZ3yeYkzWsgrOTpgT';

        try {
            $session = Session::create([
                'line_items' => [[
                    'price' => $priceId,
                    'quantity' => 1,
                ]],
                'mode' => 'payment',
                'success_url' => url(env('APP_URL') . '/rendez-vous/success?client_session_id=' . $clientSessionId),
                'cancel_url' => url(env('APP_URL') . '/cancel'),
                'metadata' => [
                    'client_session_id' => $clientSessionId,
                    'type_appointment' => true,
                    'appointment_date' => $dateAppointment
                ],
                'customer_email' => $userForm["email"]
            ]);

            Payment::create([
                'amount' => $session->amount_total / 100,
                'currency' => $session->currency,
                'stripe_session_id' => $session->id,
                'client_session_id' => $clientSessionId,
                'draw_count' => 0,
                'status' => 'pending',
            ]);

            return response()->json(['sessionId' => $session->id]);

        } catch (\Exception $e) {
            \Log::error('Stripe session creation failed: ' . $e->getMessage());
            return response()->json(['error' => 'Could not create checkout session.'], 500);
        }
    }

    public function validatePayment(Request $request)
    {
        $clientSessionId = $request->query('client_session_id');

        $payment = Payment::where('client_session_id', $clientSessionId)
                          ->where('status', 'succeeded')
                          ->first();

        if ($payment) {
            // Si la vérification réussit, retournez le nombre de tirages.
            return response()->json([
                'success' => true,
                'drawCount' => $payment->draw_count,
            ]);
        }

        // Si la vérification échoue, retournez une erreur.
        return response()->json([
            'success' => false,
            'message' => 'Paiement non validé.',
        ], 404);
    }

    public function getCards(Request $request)
    {
        $sessionId = $request->query('client_session_id');

        if(!$sessionId)
        {
            $count = $request->query('count');
            if($count == 1){
                $freeCards = $this->cardRepository->draw(1);
                return response()->json([
                    'success' => true,
                    'cards' => $freeCards
                ]);
            }
        }

        // 1. Find the payment record
        $payment = Payment::where('client_session_id', $sessionId)->first();

        if (!$payment) {
            return response()->json(['success' => false, 'message' => 'Payment not found.'], 404);
        }

        // 2. One-Time Use Check
        if ($payment->status === 'processed') {
            return response()->json([
                'success' => true,
                'cards' => $payment->cards,
                'message' => 'Cards already drawn for this payment.',
            ]);
        }

        // 3. Verify payment status with Stripe
        if ($payment->status !== 'succeeded') {
            try {
                $session = Session::retrieve($sessionId);
                if ($session->payment_status !== 'paid' || $session->status !== 'complete') {
                    return response()->json(['success' => false, 'message' => 'Payment not complete.'], 402);
                }
                $payment->update(['status' => 'succeeded']);
            } catch (\Exception $e) {
                \Log::error('Stripe session retrieval failed: ' . $e->getMessage());
                return response()->json(['success' => false, 'message' => 'Validation error.'], 500);
            }
        }

        // 4. Securely draw the cards and store them
        $drawnCards = $this->cardRepository->draw($payment->draw_count);
        $payment->update([
            'cards' => $drawnCards,
            'status' => 'processed',
        ]);
        return response()->json([
            'success' => true,
            'cards' => $drawnCards,
        ]);
    }

}