<?php

namespace App\Module\AppGame\Handler\God;

use App\Module\AppGame\Handler\BaseHandler;
use App\Module\Farm\Enums\BUFF_TYPE;
use App\Module\Farm\Services\BuffService;
use App\Module\GameItems\Services\ItemService;
use Google\Protobuf\Internal\Message;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Uraus\Kku\Common\DataGod;
use Uraus\Kku\Common\LastData;
use Uraus\Kku\Request\RequestGodOpen;
use Uraus\Kku\Response\ResponseGodOpen;
use UCore\Exception\LogicException;

/**
 * 处理神像开启请求
 */
class OpenHandler extends BaseHandler
{
    /**
     * 是否需要登录
     * @var bool
     */
    protected bool $need_login = true;

    /**
     * 处理神像开启请求
     *
     * @param RequestGodOpen $data 神像开启请求数据
     * @return ResponseGodOpen 神像开启响应
     */
    public function handle(Message $data): Message
    {
        // 创建响应对象
        $response = new ResponseGodOpen();

        try {
            // 获取请求参数
            $godId = $data->getGodId();
            $userId = $this->user_id;

            // 参数验证
            if ($godId <= 0) {
                throw new LogicException("神像ID无效");
            }

            // 检查神像ID是否有效
            if (!in_array($godId, [
                BUFF_TYPE::HARVEST_GOD->value,
                BUFF_TYPE::RAIN_GOD->value,
                BUFF_TYPE::WEED_KILLER_GOD->value,
                BUFF_TYPE::PEST_CLEANER_GOD->value
            ])) {
                throw new LogicException("无效的神像类型");
            }

            // 检查用户是否已有该神像的有效加持
            $existingBuff = BuffService::getActiveUserBuff($userId, $godId);
            if ($existingBuff) {
                throw new LogicException("该神像已激活，有效期至：" . $existingBuff->expire_time);
            }

            // 查找用户背包中的神像物品
            $godItemId = 3000 + $godId; // 假设神像物品ID为3001-3004，对应神像类型1-4
            $userItems = ItemService::getUserItems($userId, ['item_id' => $godItemId]);

            if ($userItems->isEmpty()) {
                throw new LogicException("您没有该神像物品");
            }

            // 开始事务
            DB::beginTransaction();

            // 消耗神像物品
            ItemService::consumeItem($userId, $godItemId, null, 1, [
                'source_type' => 'god_activate',
                'source_id' => $godId,
                'details' => [
                    'god_id' => $godId,
                    'god_name' => BUFF_TYPE::getName($godId)
                ]
            ]);

            // 激活神像加持（默认24小时）
            $durationHours = 24;
            $buff = BuffService::activateBuff($userId, $godId, $durationHours);

            if (!$buff) {
                throw new LogicException("神像激活失败");
            }

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

            // 创建LastData对象，用于返回神像信息
            $lastData = new LastData();
            $godList = [];

            // 创建神像数据
            $dataGod = new DataGod();
            $dataGod->setId($godId);
            $dataGod->setStatus(true);
            $dataGod->setVaidTime($buff->expire_time->timestamp);
            $godList[] = $dataGod;

            // 设置神像列表到LastData
            $lastData->setGods($godList);

            // 设置LastData到响应
            $this->response->setLastData($lastData);

            // 设置响应状态
            $this->response->setCode(0);
            $this->response->setMsg('神像激活成功');

            // 记录日志
            Log::info('用户激活神像成功', [
                'user_id' => $userId,
                'god_id' => $godId,
                'expire_time' => $buff->expire_time->toDateTimeString()
            ]);

        } catch (LogicException $e) {
            // 回滚事务
            if (DB::transactionLevel() > 0) {
                DB::rollBack();
            }

            // 设置错误响应
            $this->response->setCode(400);
            $this->response->setMsg($e->getMessage());

            Log::warning('用户激活神像失败', [
                'user_id' => $this->user_id,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
        } catch (\Exception $e) {
            // 回滚事务
            if (DB::transactionLevel() > 0) {
                DB::rollBack();
            }

            // 设置错误响应
            $this->response->setCode(500);
            $this->response->setMsg('系统错误，请稍后再试');

            Log::error('激活神像操作异常', [
                'user_id' => $this->user_id,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
        }

        return $response;
    }
}