<?php

namespace App\Module\AppGame\Handler\Pet;

use App\Module\AppGame\Handler\BaseHandler;
use App\Module\Pet\Services\PetService;
use App\Module\Pet\Validation\PetEatValidation;
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
    {
        // 创建响应对象
        $response = new ResponsePetEat();

        try {
            // 创建验证对象
            $validation = PetEatValidation::makeByProrobuf($data);

            // 设置用户ID
            $validation->user_id = $this->user_id;

            // 验证请求数据
            $validation->validated();

            // 获取验证后的数据
            $petId = $validation->pet_id;
            $itemId = $validation->item_id;
            $amount = $validation->num;

            // 开启事务
            DB::beginTransaction();

            try {
                // 调用宠物服务进行喂食
                $result = PetService::feedPet($this->user_id, $petId, $itemId, $amount);

                // 提交事务
                DB::commit();

                // 记录日志
                Log::info('宠物喂食成功', [
                    'user_id' => $this->user_id,
                    'pet_id' => $petId,
                    'item_id' => $itemId,
                    'amount' => $amount,
                    'result' => $result
                ]);
            } catch (\Exception $e) {
                // 回滚事务
                DB::rollBack();
                throw $e;
            }
        } catch (\Exception $e) {
            // 记录错误日志
            Log::error('宠物喂食失败', [
                'user_id' => $this->user_id,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);

            // 抛出异常，让框架处理错误响应
            throw $e;
        }

        return $response;
    }
}