<?php
namespace App\Services\Platform;

use App\Models\ShopAuth;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;

class PddClient
{
    protected $shopAuth;
    protected $clientId;
    protected $clientSecret;

    public function __construct(ShopAuth $shopAuth)
    {
        $this->shopAuth = $shopAuth;
        $this->clientId = config('platforms.pdd.client_id');
        $this->clientSecret = config('platforms.pdd.client_secret');
    }

    /**
     * 拉取订单列表（待实现）
     *
     * @param array $params
     * @return array
     */
    public function getOrders(array $params = [])
    {
        Log::warning('拼多多订单拉取尚未实现');
        return [];
    }

    protected function refreshToken()
    {
        // TODO: 实现拼多多 token 刷新
    }

    protected function ensureToken()
    {
        if ($this->shopAuth->expires_at && $this->shopAuth->expires_at->isPast()) {
            $this->refreshToken();
        }
    }

    protected function generateSign($params)
    {
        // TODO: 实现拼多多签名算法
        return '';
    }

    protected function transformOrders($orders)
    {
        return [];
    }

    protected function transformItems($items)
    {
        return [];
    }
}