<?php

namespace App\Http\Controllers\frontend\Order;

use App\Http\Controllers\Controller;
use App\Http\Requests\Order\OrderRequest;
use App\Http\Services\Invoice\InvoiceService;
use App\Models\Cart;
use App\Models\Order;
use App\Models\OrderAddon;
use App\Models\OrderItem;
use App\Repositories\Order\OrderRepositoryInterface;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class OrderController extends Controller
{
    public function __construct(
        public OrderRepositoryInterface $orderRepository,
    ) {
        parent::__construct();
    }


    public function index()
    {
        $title = 'Danh sách đơn hàng';

        return view('frontend.order.index', compact('title'));
    }


    public function payment($order_id)
    {
        $orders = $this->orderRepository->findWithRelationships($order_id, ['orderItems.addons.addonItems', 'orderItems.os.osGroup', 'customer']);
        if (!$orders || $orders->customer_id !== customer()?->id) {

            return redirect()->route('client.order.index')
                ->with('error', 'Đơn hàng không thuộc về bạn. Vui lòng kiểm tra lại!');
        }

        return view('frontend.order.payment', compact('orders'));
    }


    public function destroy(Request $request, $order_id)
    {
        $order_num = $request->input('order_num');

        $order = $this->orderRepository->findWithRelationships($order_id, [
            'orderItems.addons',
            'orderItems.os.osGroup',
            'customer'
        ]);

        if (
            !$order ||
            $order->customer_id !== customer()?->id ||
            $order->order_num !== $order_num
        ) {
            return redirect()->route('home')
                ->with('error', 'Không tìm thấy đơn hàng hợp lệ để xoá!');
        }

        DB::beginTransaction();

        try {
            foreach ($order->orderItems as $item) {
                $item->addons()->delete();
            }

            $order->orderItems()->delete();

            $order->delete();

            DB::commit();

            return redirect()->route('home')
                ->with('success', 'Đơn hàng đã được huỷ thành công.');
        } catch (\Exception $e) {
            DB::rollBack();

            return redirect()->route('home')
                ->with('error', 'Đã có lỗi xảy ra khi huỷ đơn hàng. Vui lòng thử lại.');
        }
    }


    public function store(OrderRequest $request, InvoiceService $invoiceService)
    {
        $data = $request->validated();

        $orderNum = generate_order_number();

        $order = Order::create([
            'order_num' => $orderNum,
            'customer_id' => customer()?->id,
            'date' => now()->timestamp,
            'discount_id' => 0,
            'discount_value' => null,
            'amount' => $data['totalPrice'],
            'note' => null,
            'client_ip' => request()->ip(),
            'status' => 1,
        ]);

        $orderItemId = OrderItem::create([
            'order_id' => $order->id,
            'product_id' => $data['product_id'],
            'os_id' => $data['os_id'],
            'server_name' => $data['server_name'],
            'months' => $data['months'],
            'quantity' => 1,
            'price' => $data['totalPrice'],
            'product_type' => $data['product_type'],
        ]);

        if (isset($data['addons']) && is_array($data['addons'])) {
            foreach ($data['addons'] as $addonId => $addonData) {
                if (isset($addonData['qty'], $addonData['price']) && intval($addonData['qty']) > 0) {
                    $qty = intval($addonData['qty']);
                    $unitPrice = intval($addonData['price']);
                    $totalPrice = $qty * $unitPrice;

                    OrderAddon::create([
                        'order_item_id' => $orderItemId->id,
                        'addon_id' => $addonId,
                        'qty' => $qty,
                        'price' => $totalPrice,
                    ]);
                }
            }
        }

        $__order = $this->orderRepository->findWithRelationships($order->id, [
            'orderItems.addons',
            'orderItems.os.osGroup',
            'customer'
        ]);

        $invoice = $invoiceService->createInvoice($__order);

        if (!empty($data['cart_id'])) {
            Cart::where('id', $data['cart_id'])->delete();
        }


        return redirect()->route('client.order.payment', ['order_id' => $order])
            ->with('success', 'Đặt đơn thành công');
    }

}