<?php

namespace App\Http\Controllers;

use App\Models\CustomOrder;
use App\Models\Order;
use App\Models\OrderItem;
use App\Models\Product;
use App\Models\PrintStock;
use App\Services\ShippingService;
use App\Services\InvoiceService;
use App\Services\MailjetService;
use App\Events\OrderCreated;
use App\Events\DepositPaid;
use App\Events\BalancePaid;
use Illuminate\Http\Request;

class OrderController extends Controller
{
    public function checkout()
    {
        $cart = session()->get('cart', []);

        if (empty($cart)) {
            return redirect()->route('cart')->with('error', 'Your cart is empty!');
        }

        $items = [];
        $total = 0;

        foreach ($cart as $itemKey => $cartItem) {
            // Handle both old and new cart formats
            if (is_array($cartItem)) {
                $productId = $cartItem['product_id'] ?? null;
                $type = $cartItem['type'] ?? 'wallpaper';
                $printStockId = $cartItem['print_stock_id'] ?? null;
                $isSample = $cartItem['is_sample'] ?? false;
            } else {
                $productId = $itemKey;
                $type = 'wallpaper';
                $printStockId = null;
                $isSample = false;
            }

            if ($productId) {
                $product = Product::find($productId);
                if ($product) {
                    $quantity = is_array($cartItem) ? ($cartItem['quantity'] ?? 1) : $cartItem;
                    
                    // For samples, use fixed sample cost
                    if ($isSample) {
                        $subtotal = ShippingService::getSampleCost() * $quantity;
                    } else {
                        $stockCost = 0;
                        $stock = null;
                        
                        // Get print stock if available
                        if ($printStockId) {
                            $stock = $product->printStocks()->find($printStockId);
                            if ($stock) {
                                $stockCost = ($type === 'wallpaper') ? $stock->cost_per_meter : $stock->cost_per_m2;
                            }
                        }
                        
                        // Calculate price based on stock cost only (no base design cost)
                        $basePrice = $stockCost;
                        
                        if ($type === 'wallpaper') {
                            $length = is_array($cartItem) ? ($cartItem['length'] ?? 0) : 0;
                            $subtotal = $basePrice * $length * $quantity;
                        } elseif ($type === 'mural') {
                            $width = is_array($cartItem) ? ($cartItem['width'] ?? 0) : 0;
                            $height = is_array($cartItem) ? ($cartItem['height'] ?? 0) : 0;
                            $m2 = $width * $height;
                            $subtotal = $basePrice * $m2 * $quantity;
                        } else {
                            $subtotal = $basePrice * $quantity;
                        }
                        $stock = null;
                    }

                    $total += $subtotal;
                    $items[] = [
                        'key' => $itemKey,
                        'product' => $product,
                        'stock' => isset($stock) ? $stock : null,
                        'quantity' => $quantity,
                        'type' => $type,
                        'is_sample' => $isSample,
                        'length' => is_array($cartItem) ? ($cartItem['length'] ?? null) : null,
                        'width' => is_array($cartItem) ? ($cartItem['width'] ?? null) : null,
                        'height' => is_array($cartItem) ? ($cartItem['height'] ?? null) : null,
                        'subtotal' => $subtotal
                    ];
                }
            }
        }

        $shippingFee = ShippingService::calculateShippingFee($total);
        $shippingLabel = ShippingService::getShippingLabel($total);
        $grandTotal = $total + $shippingFee;

        return view('checkout', [
            'items' => $items,
            'total' => $total,
            'shippingFee' => $shippingFee,
            'shippingLabel' => $shippingLabel,
            'grandTotal' => $grandTotal,
            'itemCount' => count($cart)
        ]);
    }

    public function process(Request $request)
    {
        $request->validate([
            'customer_name' => 'required|string|max:255',
            'customer_email' => 'required|email',
            'customer_phone' => 'required|string|max:20',
            'shipping_address' => 'required|string|max:500',
            'notes' => 'nullable|string|max:500'
        ]);

        $cart = session()->get('cart', []);

        if (empty($cart)) {
            return redirect()->route('cart')->with('error', 'Your cart is empty!');
        }

        // Calculate total and validate stock
        $total = 0;
        $orderItems = [];

        foreach ($cart as $itemKey => $cartItem) {
            // Handle both old and new cart formats
            if (is_array($cartItem)) {
                $productId = $cartItem['product_id'] ?? null;
                $quantity = $cartItem['quantity'] ?? 1;
                $type = $cartItem['type'] ?? 'wallpaper';
                $printStockId = $cartItem['print_stock_id'] ?? null;
                $isSample = $cartItem['is_sample'] ?? false;
            } else {
                $productId = $itemKey;
                $quantity = $cartItem;
                $type = 'wallpaper';
                $printStockId = null;
                $isSample = false;
            }

            $product = Product::find($productId);
            if (!$product) {
                return redirect()->route('cart')->with('error', 'Product not found!');
            }

            if ($product->stock < $quantity) {
                return redirect()->route('cart')->with('error', "Insufficient stock for {$product->name}");
            }

            // For samples, use fixed sample cost
            if ($isSample) {
                $subtotal = ShippingService::getSampleCost() * $quantity;
                $stockCost = ShippingService::getSampleCost();
            } else {
                $stockCost = 0;
                $stock = null;
                
                // Get print stock if available
                if ($printStockId) {
                    $stock = $product->printStocks()->find($printStockId);
                    if ($stock) {
                        $stockCost = ($type === 'wallpaper') ? $stock->cost_per_meter : $stock->cost_per_m2;
                    }
                }

                // Calculate price based on stock cost only (no base design cost)
                $basePrice = $stockCost;
                
                if ($type === 'wallpaper') {
                    $length = is_array($cartItem) ? ($cartItem['length'] ?? 0) : 0;
                    $subtotal = $basePrice * $length * $quantity;
                } elseif ($type === 'mural') {
                    $width = is_array($cartItem) ? ($cartItem['width'] ?? 0) : 0;
                    $height = is_array($cartItem) ? ($cartItem['height'] ?? 0) : 0;
                    $m2 = $width * $height;
                    $subtotal = $basePrice * $m2 * $quantity;
                } else {
                    $subtotal = $basePrice * $quantity;
                }
            }

            $total += $subtotal;
            $orderItems[$itemKey] = [
                'product_id' => $productId,
                'quantity' => $quantity,
                'price' => $subtotal / $quantity,
                'print_stock_id' => $printStockId,
                'type' => $type,
                'is_sample' => $isSample,
                'length' => is_array($cartItem) ? ($cartItem['length'] ?? null) : null,
                'width' => is_array($cartItem) ? ($cartItem['width'] ?? null) : null,
                'height' => is_array($cartItem) ? ($cartItem['height'] ?? null) : null,
                'subtotal' => $subtotal
            ];
        }

        // Calculate shipping
        $shippingFee = ShippingService::calculateShippingFee($total);

        // Create order
        $orderNumber = 'ORD-' . date('Ymd') . '-' . strtoupper(uniqid());
        
        $orderData = [
            'user_id' => auth()->check() ? auth()->id() : null,
            'order_number' => $orderNumber,
            'total' => $total,
            'shipping_fee' => $shippingFee,
            'status' => 'pending',
            'payment_method' => 'yoco',
            'payment_status' => 'pending',
            'customer_name' => $request->input('customer_name'),
            'customer_email' => $request->input('customer_email'),
            'customer_phone' => $request->input('customer_phone'),
            'shipping_address' => $request->input('shipping_address'),
        ];
        
        if ($request->filled('notes')) {
            $orderData['notes'] = $request->input('notes');
        }
        
        $order = Order::create($orderData);

        // Create order items
        foreach ($orderItems as $itemKey => $data) {
            $product = Product::find($data['product_id']);
            
            OrderItem::create([
                'order_id' => $order->uuid,
                'product_id' => $data['product_id'],
                'quantity' => $data['quantity'],
                'price' => $data['price'],
                'print_stock_id' => $data['print_stock_id'],
                'type' => $data['type'],
                'is_sample' => $data['is_sample'],
                'length' => $data['length'],
                'width' => $data['width'],
                'height' => $data['height']
            ]);
        }

        // Store order UUID in session for payment
        session(['pending_order_uuid' => $order->uuid]);

        // Redirect to Yoco payment
        return redirect()->route('yoco-payment', ['order' => $order->uuid]);
    }

    public function success(Order $order)
    {
        // Authorization: only allow viewing own orders or admin
        if (auth()->check() && auth()->user()->id !== $order->user_id && !auth()->user()->is_admin) {
            abort(403, 'Unauthorized access to this order.');
        }
        
        // For guest orders, verify via session
        if (!auth()->check() && session('pending_order_uuid') !== $order->uuid) {
            abort(403, 'Unauthorized access to this order.');
        }

        return view('order-success', ['order' => $order]);
    }

    public function history()
    {
        $orders = Order::orderBy('created_at', 'desc')->get();

        return view('order-history', ['orders' => $orders]);
    }

    public function yocoPayment(Order $order)
    {
        // Verify this is a pending payment
        if ($order->payment_status !== 'pending') {
            abort(400, 'This order has already been paid.');
        }
        
        // Create Yoco checkout
        $secretKey = config('services.yoco.secret_key');
        $mode = config('services.yoco.mode');
        
        // Check if API key is configured
        if (empty($secretKey) || $secretKey === 'sk_test_your_key_here') {
            return redirect()->route('checkout')->with('error', 'Payment gateway not configured. Please contact support.');
        }
        
        $baseUrl = $mode === 'live' 
            ? 'https://payments.yoco.com/api/checkouts'
            : 'https://payments.yoco.com/api/checkouts';
        
        $checkoutData = [
            'amount' => (int)(($order->total + $order->shipping_fee) * 100), // Amount in cents, including shipping
            'currency' => 'ZAR',
            'successUrl' => route('yoco-success', ['order' => $order->uuid]),
            'cancelUrl' => route('yoco-cancel', ['order' => $order->uuid]),
            'failureUrl' => route('yoco-failure', ['order' => $order->uuid]),
            'metadata' => [
                'order_uuid' => $order->uuid,
                'order_number' => $order->order_number,
                'order_type' => 'standard',
                'site' => 'additional_design',
            ],
        ];
        
        try {
            $response = \Illuminate\Support\Facades\Http::withHeaders([
                'Authorization' => 'Bearer ' . $secretKey,
                'Content-Type' => 'application/json',
            ])->post($baseUrl, $checkoutData);
            
            if ($response->successful()) {
                $checkout = $response->json();
                
                $checkoutId = $checkout['id'] ?? null;
                $redirectUrl = $checkout['redirectUrl'] ?? null;
                \Log::info('Yoco checkout created', [
                    'order_uuid' => $order->uuid,
                    'checkout_id' => $checkoutId,
                    'redirect_url' => $redirectUrl,
                ]);
                if (!$checkoutId || !$redirectUrl) {
                    throw new \Exception('Invalid Yoco checkout response: missing id or redirectUrl');
                }
                
                // Persist checkout info to database
                try {
                    $order->update([
                        'yoco_checkout_id' => $checkoutId,
                        'yoco_redirect_url' => $redirectUrl,
                        'yoco_checkout_response' => json_encode($checkout),
                    ]);
                    
                    // Reload the model to verify update
                    $order->refresh();
                    
                    if ($order->yoco_checkout_id) {
                        //clear cart
                        session()->forget('cart');
                        
                        \Log::info('Yoco checkout info saved successfully', [
                            'order_uuid' => $order->uuid,
                            'yoco_checkout_id' => $order->yoco_checkout_id,
                        ]);
                    } else {
                        \Log::warning('Yoco checkout ID not saved after update', [
                            'order_uuid' => $order->uuid,
                            'order_data' => $order->toArray(),
                        ]);
                    }
                } catch (\Exception $dbException) {
                    \Log::error('Database error while saving Yoco checkout info', [
                        'order_uuid' => $order->uuid,
                        'error_message' => $dbException->getMessage(),
                        'error_code' => $dbException->getCode(),
                        'checkout_id' => $checkoutId,
                        'redirect_url' => $redirectUrl,
                    ]);
                    throw $dbException;
                }
                
                return redirect($redirectUrl);
            } else {
                \Log::error('Yoco API Error', [
                    'status' => $response->status(),
                    'body' => $response->body()
                ]);
                return redirect()->route('checkout')->with('error', 'Unable to initialize payment: ' . $response->body());
            }
        } catch (\Exception $e) {
            \Log::error('Yoco Payment Exception', ['message' => $e->getMessage()]);
            return redirect()->route('checkout')->with('error', 'Payment error: ' . $e->getMessage());
        }
    }

    public function yocoSuccess(Order $order)
    {
        // Verify order is pending payment
        if ($order->payment_status === 'paid') {
            return redirect()->route('order-success', ['order' => $order])
                ->with('success', 'Payment was already processed for this order.');
        }
        
        // // Update order status
        // $order->update([
        //     'payment_status' => 'paid',
        //     'status' => 'processing',
        // ]);
        
        // // Reduce stock
        // foreach ($order->items as $item) {
        //     $product = $item->product;
        //     $product->stock -= $item->quantity;
        //     $product->save();
        // }
        
        // Clear pending order from session
        session()->forget('pending_order_uuid');
        session()->forget('cart');
        
        return redirect()->route('order-success', ['order' => $order])
            ->with('success', 'Payment successful! Your order has been confirmed.');
    }

    public function yocoCancel(Order $order)
    {
        return redirect()->route('checkout')
            ->with('error', 'Payment was cancelled. Your order is still pending.');
    }

    public function yocoFailure(Order $order)
    {
        $order->update([
            'payment_status' => 'failed',
        ]);
        
        return redirect()->route('checkout')
            ->with('error', 'Payment failed. Please try again or use a different payment method.');
    }

    public function yocoWebhook(Request $request)
    {
        // 1. Get Raw Body and Headers
        \Log::info('Yoco Webhook: Received webhook');
        
        $rawBody = $request->getContent();
        $trimmedBody = trim($rawBody);
        
        $webhookId = $_SERVER['HTTP_WEBHOOK_ID'] ?? null;
        $webhookTimestamp = $_SERVER['HTTP_WEBHOOK_TIMESTAMP'] ?? null;
        $webhookSignatureHeader = $_SERVER['HTTP_WEBHOOK_SIGNATURE'] ?? null;
        
        // Validate headers exist
        if (!$webhookId || !$webhookTimestamp || !$webhookSignatureHeader) {
            \Log::warning('Yoco Webhook: Missing headers', [
                'has_id' => !empty($webhookId),
                'has_timestamp' => !empty($webhookTimestamp),
                'has_signature' => !empty($webhookSignatureHeader),
            ]);
            return response()->json(['error' => 'Missing headers'], 400);
        }
        
        // 2. Parse the Secret Safely
        $envSecret = trim(config('services.yoco.webhook_secret'));
        
        if (empty($envSecret)) {
            \Log::error('Yoco Webhook: Missing webhook secret configuration');
            return response()->json(['error' => 'Webhook secret not configured'], 500);
        }
        
        $secretKeyString = strpos($envSecret, 'whsec_') === 0 
            ? substr($envSecret, 6) 
            : $envSecret;
        
        $secretBytes = base64_decode($secretKeyString);
        
        // 3. Parse Incoming Signature (Standardize)
        $incomingSignature = '';
        if (preg_match('/(?:v1=|v1,)([^,\s]+)/', $webhookSignatureHeader, $matches)) {
            $incomingSignature = $matches[1];
        } else {
            $incomingSignature = trim($webhookSignatureHeader);
        }
        
        // 4. Verification Function
        $verifySignature = function($id, $timestamp, $body, $secretBytes, $expectedSig) {
            $signedContent = $id . '.' . $timestamp . '.' . $body;
            $calculatedHmac = hash_hmac('sha256', $signedContent, $secretBytes, true);
            $calculatedSig = base64_encode($calculatedHmac);
            return hash_equals($expectedSig, $calculatedSig);
        };
        
        // 5. Try Verification (Attempt both Trimmed and Raw)
        $isValid = false;
        $methodUsed = '';
        
        // Attempt 1: Trimmed Body (Most likely correct for JSON)
        if ($verifySignature($webhookId, $webhookTimestamp, trim($rawBody), $secretBytes, $incomingSignature)) {
            $isValid = true;
            $methodUsed = 'trimmed';
        }
        // Attempt 2: Raw Body (Fallback if Yoco signed the whitespace)
        elseif ($verifySignature($webhookId, $webhookTimestamp, $rawBody, $secretBytes, $incomingSignature)) {
            $isValid = true;
            $methodUsed = 'raw';
        }
        
        if (!$isValid) {
            \Log::warning('Yoco Webhook: Signature verification failed', [
                'webhook_id' => $webhookId,
                'timestamp' => $webhookTimestamp,
                'received_signature' => $incomingSignature,
            ]);
            return response()->json(['error' => 'Invalid signature'], 403);
        }
        
        \Log::info('Yoco Webhook: Signature verified successfully', ['method' => $methodUsed]);
        
        // 6. Parse Event
        $event = json_decode($rawBody, true);
        
        if (!$event) {
            \Log::warning('Yoco Webhook: Failed to parse JSON payload');
            return response()->json(['error' => 'Invalid JSON'], 400);
        }
        
        $type = $event['type'] ?? null;
        $payload = $event['payload'] ?? [];
        
        $metadata = $payload['metadata'] ?? [];
        $orderUuid = $metadata['order_uuid'] ?? null;
        $orderType = $metadata['order_type'] ?? null;
        $site = $metadata['site'] ?? null;
        $paymentId = $payload['id'] ?? null;
        $status = $payload['status'] ?? null;
        
        \Log::info('Yoco Webhook: Payload extracted', [
            'type' => $type,
            'site' => $site,
            'order_type' => $orderType,
            'order_uuid' => $orderUuid,
            'payment_id' => $paymentId,
            'status' => $status,
        ]);

        if ($site !== 'additional_design') {
            \Log::warning('Yoco Webhook: Ignored event for different site', [
                'expected_site' => 'additional_design',
                'received_site' => $site,
            ]);
            return response()->json(['status' => 'ignored'], 200);
        }
        
        if (!$orderUuid || !$status) {
            \Log::warning('Yoco Webhook: Validation failed', [
                'order_uuid' => $orderUuid,
                'status' => $status,
                'type' => $type,
            ]);
            return response()->json(['error' => 'Invalid payload'], 400);
        }
        
        // 7. Update Payment State where orderType is 'standard'
        if ($orderType === 'standard') {        
        
            $order = Order::where('uuid', $orderUuid)->first();
            
            if (!$order) {
                \Log::warning('Yoco Webhook: Order not found', ['order_uuid' => $orderUuid]);
                return response()->json(['error' => 'Order not found'], 404);
            }
            
            if ($status === 'succeeded') {
                \Log::info('Yoco Webhook: Processing successful payment', [
                    'order_uuid' => $orderUuid,
                    'payment_id' => $paymentId,
                ]);
                
                if ($order->payment_status !== 'paid') {
                    $order->update([
                        'payment_status' => 'paid',
                        'status' => 'prep',
                        'yoco_checkout_response' => json_encode($payload),
                    ]);
                    
                    // Reduce stock
                    foreach ($order->items as $item) {
                        $product = $item->product;
                        $product->stock -= $item->quantity;
                        $product->save();
                    }
                    
                    // Generate invoice PDF and send email via Mailjet
                    try {
                        $invoicePath = InvoiceService::generateInvoice($order);
                        $fullPath = storage_path('app/public/' . $invoicePath);
                        
                        // Send invoice email directly via Mailjet API (no queue needed)
                        $mailjetService = new MailjetService();
                        $customerName = $order->customer_name ?? explode('@', $order->customer_email)[0];
                        
                        $success = $mailjetService->send(
                            toEmail: $order->customer_email,
                            toName: $customerName,
                            subject: 'Invoice #' . $order->order_number . ' - ADDITIONAL DESIGN',
                            htmlContent: $this->getBasicInvoiceHtml($order),
                            attachments: [$fullPath]
                        );
                        
                        if ($success) {
                            \Log::info('Yoco Webhook: Invoice generated and email sent via Mailjet', [
                                'order_uuid' => $orderUuid,
                                'order_id' => $order->id,
                                'invoice_path' => $invoicePath,
                            ]);
                        } else {
                            \Log::warning('Yoco Webhook: Mailjet email send returned false', [
                                'order_uuid' => $orderUuid,
                                'order_id' => $order->id,
                            ]);
                        }
                    } catch (\Exception $e) {
                        \Log::error('Yoco Webhook: Invoice generation or email failed', [
                            'order_uuid' => $orderUuid,
                            'order_id' => $order->id,
                            'error' => $e->getMessage(),
                        ]);
                    }

                    // Emit OrderCreated and DepositPaid events (standard orders are fully paid upfront)
                    OrderCreated::dispatch($order, 'standard');
                    DepositPaid::dispatch($order, $order->total); // Full payment is treated as deposit confirmation
                    
                    \Log::info('Yoco Webhook: Order updated for successful payment', [
                        'order_uuid' => $orderUuid,
                        'order_id' => $order->id,
                    ]);
                }
            } elseif ($status === 'failed' || $status === 'cancelled') {
                \Log::info('Yoco Webhook: Processing failed/cancelled payment', [
                    'order_uuid' => $orderUuid,
                    'payment_id' => $paymentId,
                    'status' => $status,
                ]);
                
                $order->update([
                    'payment_status' => 'failed',
                ]);
            }
        } elseif ($orderType === 'custom_deposit' || $orderType === 'custom_balance') {
            
            $order = CustomOrder::where('uuid', $orderUuid)->first();
            
            if (!$order) {
                \Log::warning('Yoco Webhook: Order not found', ['order_uuid' => $orderUuid]);
                return response()->json(['error' => 'Order not found'], 404);
            }
            
            if ($status === 'succeeded') {
                \Log::info('Yoco Webhook: Processing successful payment', [
                    'order_uuid' => $orderUuid,
                    'payment_id' => $paymentId,
                    'order_type' => $orderType,
                ]);
                
                if ($orderType === 'custom_deposit' && $order->deposit_status !== 'paid') {
                    $order->update([
                        'deposit_status' => 'paid',
                        'status' => 'design',
                        'yoco_checkout_response' => json_encode($payload),
                    ]);  
                    
                    // Emit events for custom order deposit
                    OrderCreated::dispatch($order, 'custom');
                    DepositPaid::dispatch($order, $order->deposit_amount);
                    
                    \Log::info('Yoco Webhook: Order updated for successful deposit payment', [
                        'order_uuid' => $orderUuid,
                        'order_id' => $order->id,
                        'order_type' => $orderType,
                    ]);

                } elseif ($orderType === 'custom_balance' && $order->balance_status !== 'paid') {
                    $order->update([
                        'balance_status' => 'paid',
                        'status' => 'printing',
                        'yoco_checkout_response' => json_encode($payload),
                    ]);  
                    
                    // Emit BalancePaid event
                    BalancePaid::dispatch($order, $order->balance_amount);
                    
                    \Log::info('Yoco Webhook: Order updated for successful balance payment', [
                        'order_uuid' => $orderUuid,
                        'order_id' => $order->id,
                        'order_type' => $orderType,
                    ]);
                } 
            } elseif ($status === 'failed' || $status === 'cancelled') {
                \Log::info('Yoco Webhook: Processing failed/cancelled payment', [
                    'order_uuid' => $orderUuid,
                    'payment_id' => $paymentId,
                    'status' => $status,
                ]);
                
                if ($orderType === 'custom_deposit') {
                    $order->update(['deposit_status' => 'failed']);
                } elseif ($orderType === 'custom_balance') {
                    $order->update(['balance_status' => 'failed']);
                }
            }
        }
        
        \Log::info('Yoco Webhook: Processed successfully', [
            'order_uuid' => $orderUuid,
            'status' => $status,
        ]);
        
        return response()->json(['status' => 'success']);
    }

    public function trackForm()
    {
        return view('track-order');
    }

    public function trackSearch(Request $request)
    {
        $key = 'track-order:' . $request->ip();
        
        // Check if IP has already exceeded rate limit from previous failed attempts
        if (\Illuminate\Support\Facades\RateLimiter::tooManyAttempts($key, 5)) {
            return redirect()->route('track-order-form')
                ->withErrors(['error' => 'Too many search attempts. Please try again later.']);
        }

        $request->validate([
            'order_number' => 'required|string',
            'email' => 'required|email',
        ]);

        $order = Order::where('order_number', strtoupper($request->input('order_number')))
                     ->where('customer_email', strtolower($request->input('email')))
                     ->first();

        if (!$order) {
            // Only increment rate limit on failed searches
            \Illuminate\Support\Facades\RateLimiter::hit($key, 600); // 10 minutes
            return redirect()->route('track-order-form')
                ->withErrors(['error' => 'No order found with the provided information.']);
        }

        // Successful search - no rate limit increment
        return view('track-order-result', ['order' => $order]);
    }

    private function getBasicInvoiceHtml(Order $order): string
    {
        return <<<HTML
        <html>
            <head>
                <style>
                    body { font-family: Arial, sans-serif; color: #333; }
                    .header { background-color: #f5f5f5; padding: 20px; text-align: center; }
                    .content { padding: 20px; }
                    .footer { background-color: #f5f5f5; padding: 20px; text-align: center; font-size: 12px; }
                    table { width: 100%; border-collapse: collapse; margin: 20px 0; }
                    th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }
                    th { background-color: #f5f5f5; }
                </style>
            </head>
            <body>
                <div class="header">
                    <h1>Invoice #{$order->order_number}</h1>
                </div>
                <div class="content">
                    <p>Dear {$order->customer_name},</p>
                    <p>Please find your invoice attached to this email.</p>
                    <h3>Order Details</h3>
                    <table>
                        <tr>
                            <th>Order Number</th>
                            <td>{$order->order_number}</td>
                        </tr>
                        <tr>
                            <th>Order Date</th>
                            <td>{$order->created_at->format('d M Y')}</td>
                        </tr>
                        <tr>
                            <th>Total Amount</th>
                            <td>R {$order->total}</td>
                        </tr>
                    </table>
                    <p>Thank you for your order!</p>
                </div>
                <div class="footer">
                    <p>&copy; 2025 ADDITIONAL DESIGN. All rights reserved.</p>
                </div>
            </body>
        </html>
        HTML;
    }
}