<?php

namespace App\Module\AppGame\Handler\Item;

use App\Module\AppGame\Handler\BaseHandler;
use App\Module\GameItems\Services\DismantleService;
use App\Module\GameItems\Validations\ItemDismantleValidation;
use Google\Protobuf\Internal\Message;
use Illuminate\Support\Facades\Log;
use Uraus\Kku\Request\RequestItemDismantle;
use Uraus\Kku\Response\ResponseItemDismantle;
use Uraus\Kku\Common\RESPONSE_CODE;
use UCore\Exception\LogicException;

/**
 * 处理物品分解请求
 */
class DismantleHandler extends BaseHandler
{
    /**
     * 是否需要登录
     * @var bool
     */
    protected bool $need_login = true;

    /**
     * 处理物品分解请求
     *
     * @param RequestItemDismantle $data 物品分解请求数据
     * @return ResponseItemDismantle 物品分解响应
     */
    public function handle(Message $data): Message
    {
        // 创建响应对象
        $response = new ResponseItemDismantle();

        try {
            // 获取请求参数
            $itemId = $data->getId();
            $quantity = $data->getNumber();
            $userId = $this->user_id;

            // 设置默认数量
            if ($quantity <= 0) {
                $quantity = 1;
            }

            // 先进行验证，避免不必要的事务开销
            $validation = new ItemDismantleValidation([
                'user_id' => $userId,
                'item_id' => $itemId,
                'quantity' => $quantity,
                'instance_id' => 0 // 默认不指定实例
            ]);

            // 验证数据
            $validation->validated();

            // 调用分解服务（服务内部会处理事务）
            $result = DismantleService::dismantleItem($userId, $itemId, null, $quantity, [
                'source_type' => 'app_dismantle',
                'device_info' => request()->userAgent(),
                'ip_address' => request()->ip(),
            ]);

            if (!$result) {
                throw new LogicException("分解失败，请检查物品是否存在或是否可分解");
            }

            // 设置响应状态
            $this->response->setCode(RESPONSE_CODE::OK);
            $this->response->setMsg('分解成功');

            Log::info('用户物品分解成功', [
                'user_id' => $userId,
                'item_id' => $itemId,
                'quantity' => $quantity,
                'result' => $result
            ]);

        } catch (\Exception $e) {
            Log::error('物品分解操作异常', [
                'user_id' => $userId ?? null,
                'item_id' => $itemId ?? null,
                'quantity' => $quantity ?? null,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            // 重新抛出异常，交由框架处理
            throw $e;
        }

        return $response;
    }
}