<?php

namespace App\Http\Controllers\Api\Service;

use App\Http\Controllers\Controller;
use App\Http\Resources\Api\Service\ServiceListResource;
use App\Http\Resources\Api\Service\ServiceResource;
use App\Models\Product;
use App\Models\Service;
use App\Repositories\Api\Service\ServiceRepository;
use App\Services\Api\Service\ServiceService;
use Illuminate\Http\Request;

/**
 * @OA\Tag(
 *     name="Services",
 *     description="API Endpoints for Services/Products"
 * )
 */
class ServiceController extends Controller
{
    protected $serviceService;
    protected $serviceRepository;

    public function __construct(
        ServiceService $serviceService,
        ServiceRepository $serviceRepository
    )
    {
        $this->serviceService = $serviceService;
        $this->serviceRepository = $serviceRepository;
    }

    /**
     * @OA\Get(
     *     path="/services/get-list",
     *     operationId="getServiceList",
     *     tags={"Services"},
     *     summary="Get list of services",
     *     description="Returns a paginated list of active services/products",
     *     @OA\Parameter(
     *         name="limit",
     *         in="query",
     *         description="Number of items per page",
     *         required=false,
     *         @OA\Schema(type="integer", default=10)
     *     ),
     *     @OA\Response(
     *         response=200,
     *         description="Successful operation",
     *         @OA\JsonContent(
     *             @OA\Property(property="error", type="boolean", example=false),
     *             @OA\Property(property="message", type="string", example="Lấy dữ liệu thành công"),
     *             @OA\Property(property="page_type", type="string", example="service"),
     *             @OA\Property(property="data", type="array", @OA\Items(
     *                 @OA\Property(property="uuid", type="string", example="550e8400-e29b-41d4-a716-446655440000"),
     *                 @OA\Property(property="name", type="string", example="Cloud VPS Basic"),
     *                 @OA\Property(property="slug", type="string", example="cloud-vps-basic"),
     *                 @OA\Property(property="short_description", type="string", example="Basic VPS plan"),
     *                 @OA\Property(property="description", type="string"),
     *                 @OA\Property(property="thumbnail", type="string", example="https://example.com/images/vps.jpg"),
     *                 @OA\Property(property="product_type", type="string", example="vps"),
     *                 @OA\Property(property="specs", type="object",
     *                     @OA\Property(property="cpu", type="integer", example=2),
     *                     @OA\Property(property="ram", type="integer", example=4),
     *                     @OA\Property(property="disk", type="integer", example=50),
     *                     @OA\Property(property="bandwidth", type="integer", example=1000),
     *                     @OA\Property(property="gpu", type="string", nullable=true)
     *                 ),
     *                 @OA\Property(property="stock", type="integer", example=100),
     *                 @OA\Property(property="price", type="number", example=299000),
     *                 @OA\Property(property="price_sale", type="number", example=199000),
     *                 @OA\Property(property="pricing", type="object"),
     *                 @OA\Property(property="pricing_sale", type="object"),
     *                 @OA\Property(property="group", type="string", example="VPS"),
     *                 @OA\Property(property="os", type="array", @OA\Items(
     *                     @OA\Property(property="group", type="string", example="Ubuntu")
     *                 ))
     *             ))
     *         )
     *     )
     * )
     */
    public function getService(Request $request)
    {
        $limit = $request->get('limit', 10);
        $services = $this->serviceService->getActiveServices($limit);

        return ServiceListResource::collection($services)->additional([
            'error' => false,
            'message' => 'Lấy dữ liệu thành công',
            'page_type' => 'service',
        ]);
    }

    /**
     * @OA\Get(
     *     path="/services/{slug}",
     *     operationId="getServiceDetail",
     *     tags={"Services"},
     *     summary="Get service details",
     *     description="Returns detailed information about a specific service/product",
     *     @OA\Parameter(
     *         name="slug",
     *         in="path",
     *         description="Service slug",
     *         required=true,
     *         @OA\Schema(type="string")
     *     ),
     *     @OA\Response(
     *         response=200,
     *         description="Successful operation",
     *         @OA\JsonContent(
     *             @OA\Property(property="error", type="boolean", example=false),
     *             @OA\Property(property="message", type="string", example="Lấy dữ liệu thành công"),
     *             @OA\Property(property="page_type", type="string", example="service"),
     *             @OA\Property(property="data", type="object",
     *                 @OA\Property(property="uuid", type="string", example="550e8400-e29b-41d4-a716-446655440000"),
     *                 @OA\Property(property="name", type="string", example="Cloud VPS Basic"),
     *                 @OA\Property(property="slug", type="string", example="cloud-vps-basic"),
     *                 @OA\Property(property="short_description", type="string", example="Basic VPS plan"),
     *                 @OA\Property(property="description", type="string"),
     *                 @OA\Property(property="thumbnail", type="string", example="https://example.com/images/vps.jpg"),
     *                 @OA\Property(property="product_type", type="string", example="vps"),
     *                 @OA\Property(property="specs", type="object",
     *                     @OA\Property(property="cpu", type="integer", example=2),
     *                     @OA\Property(property="ram", type="integer", example=4),
     *                     @OA\Property(property="disk", type="integer", example=50),
     *                     @OA\Property(property="bandwidth", type="integer", example=1000),
     *                     @OA\Property(property="gpu", type="string", nullable=true)
     *                 ),
     *                 @OA\Property(property="stock", type="integer", example=100),
     *                 @OA\Property(property="price", type="number", example=299000),
     *                 @OA\Property(property="price_sale", type="number", example=199000),
     *                 @OA\Property(property="group", type="string", example="VPS"),
     *                 @OA\Property(property="os", type="array", @OA\Items(
     *                     @OA\Property(property="name", type="string", example="Ubuntu"),
     *                     @OA\Property(property="thumbnail", type="string"),
     *                     @OA\Property(property="versions", type="array", @OA\Items(
     *                         @OA\Property(property="version", type="string", example="22.04"),
     *                         @OA\Property(property="name", type="string", example="Ubuntu 22.04 LTS")
     *                     ))
     *                 ))
     *             )
     *         )
     *     ),
     *     @OA\Response(
     *         response=404,
     *         description="Service not found"
     *     )
     * )
     */
    public function getDetailService(Product $product)
    {
        $product->load([
            'osVersions.osGroup',
            'category',
            'pricings' => fn($q) => $q->where('is_active', 1),
            'addons',
            'servicePlan',
        ]);

        return response()->json([
            'error' => false,
            'message' => 'Lấy dữ liệu thành công',
            'page_type' => $this->resolvePageType($product->product_type),
            'data' => new ServiceResource($product),
        ]);
    }

    private function resolvePageType(?string $productType): string
    {
        return match ($productType) {
            'vps', 'cloud' => 'service_vps',
            'hosting', 'email', 'ssl' => 'service_hosting',
            'domain' => 'service_domain',
            'blog' => 'blog',
            default => 'service_vps',
        };
    }

    public function getDetailServiceCustomer(Request $request, $uuid)
    {
        $service = Service::where('uuid', $uuid)
            ->where('customer_id', $request->user()->id)
            ->first();

        if (!$service) {
            return response()->json([
                'error' => true,
                'message' => 'Dịch vụ không tồn tại'
            ], 404);
        }

        $service->load([
            'product.category',
            'orderItem.os.osGroup',
            'orderItem.pricing',
            'invoice',
        ]);

        return response()->json([
            'error' => false,
            'message' => 'Lấy dữ liệu thành công',
            'data' => new ServiceResource($service),
        ]);
    }

    /**
     * Get addons for a specific product
     * GET /v1/products/{productId}/addons
     */
    public function getProductAddons(Request $request, string $productId)
    {
        $product = Product::where('uuid', $productId)->first();

        if (!$product) {
            return response()->json([
                'error' => true,
                'message' => 'Sản phẩm không tồn tại'
            ], 404);
        }

        $addons = $product->addons()
            ->where('status', true)
            ->get();

        $groupedAddons = [
            'cpu' => [],
            'ram' => [],
            'disk' => [],
            'other' => []
        ];

        foreach ($addons as $addon) {
            // Group by code field (cpu, ram, disk, gpu, bandwidth, etc.)
            $key = strtolower(trim($addon->code));
            if (!in_array($key, ['cpu', 'ram', 'disk'])) {
                $key = 'other';
            }
            $groupedAddons[$key][] = [
                'id' => $addon->id,
                'name' => $addon->name,
                'type' => $addon->type,
                'code' => $addon->code,
                'price' => $addon->price,
                'description' => $addon->description,
                'min' => $addon->min,
                'max' => $addon->max,
                'step' => $addon->step,
                'prefix' => $addon->prefix,
            ];
        }

        return response()->json([
            'error' => false,
            'message' => 'Lấy dữ liệu thành công',
            'data' => $groupedAddons
        ]);
    }
}