<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\Order;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;
use Stripe\StripeClient;
use Stripe\Exception\ApiErrorException;

class StripeController extends Controller
{
    private StripeClient $stripe;

    public function __construct()
    {
        $stripeSecretKey = env('STRIPE_SECRET_KEY');
        
        if (!$stripeSecretKey) {
            throw new \RuntimeException('STRIPE_SECRET_KEY is not configured');
        }

        $this->stripe = new StripeClient($stripeSecretKey);
    }

    /**
     * Créer une session de checkout Stripe
     * Remplace la fonction Supabase create-checkout-session
     */
    public function createCheckoutSession(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'priceId' => 'required|string',
            'orderData' => 'nullable|array',
            'successUrl' => 'required|url',
            'cancelUrl' => 'required|url',
            'quantity' => 'nullable|integer',
            'customerEmail' => 'nullable|email',
        ]);

        if ($validator->fails()) {
            return response()->json([
                'error' => 'Données invalides: ' . $validator->errors()->first()
            ], 400);
        }

        try {
            // 1. Sauvegarder la commande dans la base de données
            $orderData = $request->input('orderData', []);
            
            // Si orderData n'est pas fourni, créer un objet minimal
            if (empty($orderData)) {
                $orderData = [
                    'customer_email' => $request->input('customerEmail'),
                ];
            }
            
            $order = Order::create([
                ...$orderData,
                'status' => 'pending_payment',
            ]);

            // 2. Créer la session Stripe
            $session = $this->stripe->checkout->sessions->create([
                'payment_method_types' => ['card'],
                'line_items' => [
                    [
                        'price' => $request->input('priceId'),
                        'quantity' => 1,
                    ],
                ],
                'mode' => 'payment',
                'success_url' => $request->input('successUrl') . '&session_id={CHECKOUT_SESSION_ID}&order_id=' . $order->id,
                'cancel_url' => $request->input('cancelUrl'),
                'metadata' => [
                    'order_id' => $order->id,
                    'product_name' => $orderData['product_name'] ?? '',
                ],
                'customer_email' => $request->input('customerEmail') ?? $orderData['email'] ?? $orderData['customer_email'] ?? null,
            ]);

            return response()->json([
                'sessionId' => $session->id,
                'url' => $session->url,
            ], 200);

        } catch (ApiErrorException $e) {
            return response()->json([
                'error' => 'Erreur Stripe: ' . $e->getMessage()
            ], 400);
        } catch (\Exception $e) {
            return response()->json([
                'error' => 'Erreur lors de la création de la session: ' . $e->getMessage()
            ], 500);
        }
    }
}