<?php

namespace App\Module\AppGame\Handler\Item;

use App\Module\AppGame\Handler\BaseHandler;
use App\Module\GameItems\Services\CraftService;
use App\Module\GameItems\Validations\ItemCraftValidation;
use Google\Protobuf\Internal\Message;
use Illuminate\Support\Facades\Log;
use Uraus\Kku\Request\RequestItemCraft;
use Uraus\Kku\Response\ResponseItemCraft;
use UCore\Exception\LogicException;

/**
 * 处理物品合成请求
 */
class CraftHandler extends BaseHandler
{
    /**
     * 是否需要登录
     * @var bool
     */
    protected bool $need_login = true;

    /**
     * 处理物品合成请求
     *
     * @param RequestItemCraft $data 物品合成请求数据
     * @return ResponseItemCraft 物品合成响应
     */
    public function handle(Message $data): Message
    {
        // 创建响应对象
        $response = new ResponseItemCraft();

        try {
            // 获取请求参数
            $recipeId = $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 ItemCraftValidation([
                'user_id' => $userId,
                'recipe_id' => $recipeId,
                'quantity' => $quantity
            ]);

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

            // 调用合成服务（服务内部会处理事务）
            $result = CraftService::craftItem($userId, $recipeId, [
                'quantity' => $quantity,
                'source_type' => 'app_craft',
                'device_info' => request()->userAgent(),
                'ip_address' => request()->ip(),
            ]);

            if (!$result) {
                throw new LogicException("合成失败，请检查材料是否充足或配方是否解锁");
            }

            // 设置响应状态
            $this->response->setCode(0);
            $this->response->setMsg('合成成功');

            Log::info('用户物品合成成功', [
                'user_id' => $userId,
                'recipe_id' => $recipeId,
                'quantity' => $quantity,
                'result' => $result
            ]);

        } catch (\UCore\Exception\ValidateException $e) {
            // 验证失败
            $this->response->setCode(400);
            $this->response->setMsg($e->getMessage());

            Log::warning('物品合成验证失败', [
                'user_id' => $userId ?? null,
                'recipe_id' => $recipeId ?? null,
                'quantity' => $quantity ?? null,
                'error' => $e->getMessage()
            ]);

        } catch (LogicException $e) {
            // 业务逻辑异常
            $this->response->setCode(400);
            $this->response->setMsg($e->getMessage());

            Log::warning('用户物品合成失败', [
                'user_id' => $userId ?? null,
                'recipe_id' => $recipeId ?? null,
                'quantity' => $quantity ?? null,
                'error' => $e->getMessage()
            ]);

        } catch (\Exception $e) {
            // 系统异常
            $this->response->setCode(500);
            $this->response->setMsg('系统错误，请稍后再试');

            Log::error('物品合成操作异常', [
                'user_id' => $userId ?? null,
                'recipe_id' => $recipeId ?? null,
                'quantity' => $quantity ?? null,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
        }

        return $response;
    }
}