<?php
namespace App\Http\Controllers;

use App\Models\User;
use App\Models\Payment; // Make sure this is imported
use Illuminate\Http\Request;
use Stripe\Stripe;
use Stripe\Webhook;
use Stripe\Exception\SignatureVerificationException;
use Log; // Import the Log facade
use DateTime;

class WebhookController extends Controller
{
    public function handleWebhook(Request $request)
    {
        Stripe::setApiKey(env('STRIPE_SECRET_KEY'));

        $payload = $request->getContent();
        $signature = $request->header('Stripe-Signature');
        $endpointSecret = env('STRIPE_WEBHOOK_SECRET');

        try {
            $event = Webhook::constructEvent($payload, $signature, $endpointSecret);
        } catch (SignatureVerificationException $e) {
            Log::error('Stripe webhook signature verification failed: ' . $e->getMessage());
            return response()->json(['error' => 'Invalid signature'], 400);
        }

        try {
            // Handle the event
            switch ($event->type) {
                case 'checkout.session.completed':
                    $session = $event->data->object;
                    $clientSessionId = $session->metadata->client_session_id;

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

                    if ($payment) {
                        if (isset($session->metadata->type_appointment) && $session->metadata->type_appointment === 'true') {
                            $dateTimeObj = new DateTime($session->metadata->appointment_date);
                            $payment->update([
                                'status' => 'succeeded',
                                'appointment_date' => $dateTimeObj->format('Y-m-d')
                            ]);
                        } else {
                            // Original logic for other payments
                            $drawCount = $session->metadata->draw_count;
                            $payment->update([
                                'status' => 'succeeded',
                                'draw_count' => $drawCount,
                            ]);
                        }
                    } else {
                        // Log if no matching payment record is found
                        Log::warning('No pending payment record found for client_session_id: ' . $clientSessionId);
                    }

                    break;
                default:
                    Log::info('Received a non-checkout.session.completed webhook event: ' . $event->type);
                    break;
            }
        } catch (\Exception $e) {
            // Log any other unexpected errors
            Log::error('Stripe webhook processing error: ' . $e->getMessage(), ['exception' => $e]);
            return response()->json(['error' => 'Server error'], 500);
        }

        return response()->json(['status' => 'success'], 200);
    }
}