<?php

namespace App\Module\AppGame\Handler\Pet;

use App\Module\AppGame\Handler\BaseHandler;
use App\Module\AppGame\Validations\PetEatValidation;
use App\Module\Pet\Services\PetService;
use Google\Protobuf\Internal\Message;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Uraus\Kku\Request\RequestPetEat;
use Uraus\Kku\Response\ResponsePetEat;

/**
 * 处理宠物喂食请求
 */
class EatHandler extends BaseHandler
{

    /**
     * 是否需要登录
     *
     * @var bool
     */
    protected bool $need_login = true;

    /**
     * 处理宠物喂食请求
     *
     * @param RequestPetEat $data 宠物喂食请求数据
     * @return ResponsePetEat 宠物喂食响应
     */
    public function handle(Message $data): Message
    {
        // 创建验证对象
        $validation = PetEatValidation::makeByProrobufUser($data);
        // 验证请求数据
        $validation->validated();
        // 验证完成

        // 获取请求参数
        $petId = $validation->getSafe('petId');
        $itemId = $validation->getSafe('itemId');
        $num = $validation->getSafe('num');
        $userId = $this->user_id;

        // 创建响应对象
        $response = new ResponsePetEat();

        try {
            // 开启数据库事务
            DB::beginTransaction();

            // 调用宠物服务进行喂养
            $feedResult = PetService::feedPet($userId, $petId, $itemId, $num);


            // 不需要设置响应，默认成功的响应

            // 提交事务
            DB::commit();
        } catch (\Exception $e) {
            // 回滚事务
            DB::rollBack();

            // 记录错误日志
            Log::error('宠物喂养失败', [
                'user_id' => $userId,
                'pet_id' => $petId,
                'item_id' => $itemId,
                'num' => $num,
                'error' => $e->getMessage()
            ]);

            throw  $e;
        }

        return $response;
    }

}