<?php

namespace App\Services\Interface;

use App\Rules\EsExistsRule;
use App\Rules\EsUniqueRule;
use App\Services\Login\LoginTokenService;
use GuzzleHttp\Client;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Request;
use Illuminate\Support\Facades\Validator;
use Illuminate\Support\Str;
use App\Services\Interface\Database\DbManager;

class InterfaceService
{
    protected string $interfaceAlias;
    protected array $websiteInfo;
    protected int $websiteId;

    protected array $interfaceInfo;
    protected array $interfaceSettingInfo = [];
    protected array $conditionSettingsInfo = [];
    protected array $interfaceResultInfo = [];

    protected array $assembleInfo = [];
    protected ?array $assembleColumns = [];
    protected array $columnIdToCodes = [];
    protected string $table = '';

    protected array $requestData = [];
    protected ?array $execResultArr = [];

    protected $tokenInfo;
    protected int $userId;

    /**
     * InterfaceService constructor.
     *
     * @throws \Exception
     */
    public function __construct(string $interfaceAlias, array $websiteInfo)
    {
        if (empty($websiteInfo)) {
            abort(508, '管理后台配置错误，站点不存在！');
        }

        $this->interfaceAlias = $interfaceAlias;
        $this->websiteInfo = $websiteInfo;
        $this->websiteId = $this->websiteInfo['id'];

        // 获取接口信息
        $interfaceInfo = DB::table('dep_interface')->where('is_use', 1)->where('is_delete', 0)->where('website_id', $this->websiteId)->where('en_alias', $this->interfaceAlias)->first();

        if ($interfaceInfo) {
            $this->interfaceInfo = get_object_vars($interfaceInfo);

            // 请求参数配置
            $this->interfaceSettingInfo = $this->interfaceInfo['request_settings'] ? json_decode($this->interfaceInfo['request_settings'], true) : [];

            // 条件配置
            $this->conditionSettingsInfo = $this->interfaceInfo['condition_settings'] ? json_decode($this->interfaceInfo['condition_settings'], true) : [];

            // 请求结果配置
            $this->interfaceResultInfo = $this->interfaceInfo['result_settings'] ? json_decode($this->interfaceInfo['result_settings'], true) : [];

            // 系统接口使用
            if (1 == $this->interfaceInfo['category_type']) {
                $this->getAssembleInfo();
                $this->getAssembleColumn();
            }
        } else {
            abort(404, '接口不存在，请联系管理人员！');
        }
    }

    /**
     * 验证数据，如果有错误，则返回错误信息.
     */
    public function validator(): ?string
    {
        // 判断是否需要登录
        if (isset($this->interfaceInfo['is_login']) && $this->interfaceInfo['is_login']) {
            if (!$this->isLogin()) {
                return '对不起，请先登录！';
            }
        }

        // 如果没有配置参数，则默认验证成功
        if (empty($this->interfaceSettingInfo)) {
            return null;
        }

        $validatorAttributes = [];
        $ruleArr = [];

        // 设置的参数都要全部循环一遍，因为可能会设置固定参数，这样即使不传入参数，也可以使用
        foreach ($this->interfaceSettingInfo as $item) {
            $columnType = $item['column_type'] ?? 'input'; // 获取参数方式 Input Header Cookies Session File userId
            $columnType = strtolower($columnType);
            $column = $item['column'];
            $tableColumn = $item['true_column'] ?? ''; // 真实使用的表字段
            $ruleArr[$tableColumn ?: $column] = $item['rules'];

            if ($item['is_fixed']) { // 固定值
                $requestValue = trim($item['default']);
            } else {
                // 如果设置is_delete,则必须为固定值，防止被非法使用
                if ('is_delete' == $column) {
                    return '请求参数【' . $item['title'] . '（' . $item['column'] . '）】必须是固定值，不允许动态设置！！';
                }

                // 获取请求的参数
                if ('input' == $columnType) {
                    $requestValue = Request::input($column, $item['default']);
                } elseif ('header' == $columnType) {
                    $requestValue = Request::header($column, $item['default']);
                } elseif ('cookies' == $columnType) {
                    $requestValue = Request::cookie($column, $item['default']);
                } elseif ('session' == $columnType) {
                    $requestValue = Request::session()->get($column, $item['default']);
                } elseif ('file' == $columnType) {
                    $requestValue = Request::file($column, $item['default']);
                } elseif ('userid' == $columnType) {
                    // 必须登录才能获取用户信息
                    if (!$this->isLogin()) {
                        return '对不起，请先登录！';
                    }
                    $requestValue = $this->userId;
                } else {
                    $requestValue = Request::input($column, $item['default']);
                }
            }

            $this->requestData[$tableColumn ?: $column] = $requestValue;
            $validatorAttributes[$tableColumn ?: $column] = $item['title'];

            // 使用函数
            if (isset($item['type']) && $item['type'] && isset($item['conditions']) && $item['conditions']) {
                $allData = array_merge($this->requestData, ['interfaceInfo' => $this->interfaceInfo], ['websiteInfo' => $this->websiteInfo]);
                $this->execResult($item['conditions'], $allData);

                // 如果有执行失败的返回错误
                foreach ($this->execResultArr as $exeItem) {
                    // 1 错误继续 2 错误退出 3 直接退出
                    $back_type = $exeItem['back_type'];
                    if (2 == $back_type) {
                        if ($exeItem['error']) {
                            return $exeItem['result']['msg'] ?? "系统错误";
                        }
                    } elseif ($back_type == 3) {
                        return $exeItem['result'];
                    }
                }

                // 处理参数返回的结果
                if ($backR = $this->exeRequestManage($item, $tableColumn ?: $column)) {
                    return $backR;
                }
            }
        }

        // 如果没有设置is_delete,默认设置0,只获取没有被删除的数据
        if (!isset($this->requestData['is_delete'])) {
            $this->requestData['is_delete'] = 0;
        }

        // 获取请求的参数的验证规则
        list($validatorRules, $validatorMsgArr) = $this->getRequestRules($ruleArr);
        $validator = Validator::make($this->requestData, $validatorRules, $validatorMsgArr, $validatorAttributes);

        if ($validator->fails()) {
            return $validator->errors()->first();
        } else {
            return null;
        }
    }

    // 处理参数返回的结果
    private function exeRequestManage($item, $column)
    {
        // 获取返回的结果设置
        if (empty($item['return_settings']['resultIndexes'])) {
            return '';
        }

        $return_settings = $item['return_settings'];
        $resultIndexes = $return_settings['resultIndexes'];
        if (empty($resultIndexes)) {
            return '请求参数【' . $item['title'] . '（' . $item['column'] . '）】设置错误！ - 请进入管理后台，重新设置！';
        }

        if (count($resultIndexes) > 1) {
            $exeData = [];
            foreach ($resultIndexes as $indexes) {
                // 允许设置请求别名
                $paramArr = explode(':', $indexes);
                $index = $paramArr[0];
                $indexAlias = $paramArr[1] ?? ''; // 别名

                if ($indexAlias) {
                    $exeData[$indexAlias] = Arr::get($this->requestData, $index);
                } else {
                    $exeData[] = Arr::get($this->requestData, $index);
                }
            }

            $this->requestData[$column] = $exeData;
        } else {
            // 允许设置请求别名
            $paramArr = explode(':', $resultIndexes[0]);
            $index = $paramArr[0];
            $this->requestData[$column] = Arr::get($this->requestData, $index);
        }
    }

    /**
     * 获取请求的参数的验证规则.
     *
     * @return array
     */
    private function getRequestRules(array $ruleArr)
    {
        $validatorRules = [];
        $validatorMsgArr = [];

        foreach ($ruleArr as $column => $rules) {
            $typeArr = [];

            foreach ($rules as $ruleValue) {
                if (isset($ruleValue['type']) && 2 === $ruleValue['type']) { // 自定义规则
                    $typeArr[] = $this->getRuleClass($ruleValue);
                } else { // laravel验证规则
                    if (isset($ruleValue['params']) && ($ruleValue['params'] || $ruleValue['params'] == 0)) {
                        $typeArr[] = $ruleValue['rule'] . ':' . $ruleValue['params'];
                    } else {
                        $typeArr[] = $ruleValue['rule'];
                    }

                    if (!empty($ruleValue['error_msg'])) {
                        $validatorMsgArr[$column . '.' . $ruleValue['rule']] = $ruleValue['error_msg'];
                    }
                }
            }

            $validatorRules[$column] = implode('|', $typeArr);
        }

        return [$validatorRules, $validatorMsgArr];
    }

    /**
     * 判断是否已经登录.
     */
    public function isLogin(): bool
    {
        $loginToken = new LoginTokenService($this->websiteInfo['token_table']);
        $this->tokenInfo = $loginToken->checkLogin();
        if ($this->tokenInfo) {

            $this->userId = $this->tokenInfo->user_id;
            return true;
        } else {
            return false;
        }
    }

    /**
     * 获取当前接口信息.
     *
     * @return array
     */
    public function getInterfaceInfo(): array
    {
        return $this->interfaceInfo;
    }

    /**
     * 获取请求的数据.
     */
    public function getRequestData(string $key = ''): array|string
    {
        if ($key) {
            return $this->requestData[$key] ?? '';
        }

        return $this->requestData;
    }

    /**
     * 设置请求的参数 可以对请求参数进行修改.
     *
     * @return $this
     */
    public function setRequestData(array $data): self
    {
        Request::merge($data);
        return $this;
    }

    /**
     * 获取集合（表）信息.
     */
    public function getAssembleInfo(): void
    {
        $assembleInfo = DB::table('sys_assemble')->find($this->interfaceInfo['assemble_id']);
        $this->assembleInfo = get_object_vars($assembleInfo);
        $this->table = $this->assembleInfo['schema'];
    }

    /**
     * 获取表对应的字段列表，支持扩展表.
     *
     * @return void
     */
    public function getAssembleColumn(): void
    {
        $assembleInfo = DB::table('sys_assemble_column')->where('assemble_id', $this->interfaceInfo['assemble_id'])->where('is_delete', 0)->get();
        $this->assembleColumns = array_map('get_object_vars', $assembleInfo->toArray());

        // id 和 字段 组成的数组
        $idArr = array_column($this->assembleColumns, 'id');
        $codeArr = array_column($this->assembleColumns, 'code');
        $this->columnIdToCodes = array_combine($idArr, $codeArr);
    }

    /**
     * @throws \Exception
     */
    public function exec(): JsonResponse|null
    {
        if (1 == $this->interfaceInfo['category_type']) {
            return $this->interfaceSysExec();
        } else {
            return $this->interfaceCustomExec();
        }
    }

    /**
     * 系统接口.
     *
     * @throws \Exception
     */
    public function interfaceSysExec(): JsonResponse
    {
        $manager = new DbManager($this->interfaceInfo, $this->assembleInfo, $this->assembleColumns, $this->requestData, $this->columnIdToCodes);

        return $this->manageResult($manager->exec());
    }

    // 混合接口
    public function interfaceCustomExec(): JsonResponse|null
    {
        $conditionsArr = $this->interfaceInfo['conditions'];
        if ($conditionsArr) {
            $allData = $this->requestData;
            $this->execResult($conditionsArr, $allData);

            // 如果有执行失败的返回错误
            foreach ($this->execResultArr as $exeItem) {
                // 1 错误继续 2 错误退出 3 直接退出
                $back_type = $exeItem['back_type'];
                if (2 == $back_type) {
                    if ($exeItem['error']) {
                        return responseMessage($exeItem['result']['code'], $exeItem['result']['msg'] ?? "系统错误");
                    }
                } elseif ($back_type == 3) {
                    return responseMessage($exeItem['result']['code'], $exeItem['result']['msg'] ?? "系统错误", $exeItem['result']);
                }
            }

            // 处理参数返回的结果
            if ($backR = $this->exeRequestManage($exeItem, 'backRe')) {
                return responseMessage(3001, $backR);
            }
        }

        // 如果设置了返回值，则使用返回值
        if ($this->requestData['backRe']) {
            $result = $this->requestData['backRe'];
            return responseMessage(1001, '', $result);
        } else {
            return null;
        }
    }

    /**
     * 结果集，操作并返回.
     */
    public function manageResult(mixed $result): JsonResponse
    {
        if ($result instanceof JsonResponse) {
            return $result;
        }

        $resultInfo = $this->interfaceResultInfo;
        if (empty($resultInfo)) {
            return responseMessage(1001, '恭喜你,操作成功!', $result);
        }

        $operateType = $this->interfaceInfo['operate_type'];
        if (1 === $operateType) {
            // 关联查询
            if ($resultInfo['is_use_relate'] && $resultInfo['relate_interfaces']) {
                foreach ($resultInfo['relate_interfaces'] as $relate) {
                    $search_type = $this->interfaceInfo['search_type'];
                    if (1 === $search_type) { // 单条信息查询
                        $result = $this->getChildrenInterfaceResult($result, $relate);
                    } elseif (2 === $search_type) { // 分页查询
                        foreach ($result['list'] as $key => $row) {
                            $row = is_array($row) ? $row : get_object_vars($row);
                            $result['list'][$key] = $this->getChildrenInterfaceResult($row, $relate);
                        }
                    } elseif (3 === $search_type) { // 列表
                        foreach ($result as $key => $row) {
                            $row = is_array($row) ? $row : get_object_vars($row);
                            $result[$key] = $this->getChildrenInterfaceResult($row, $relate);
                        }
                    }
                }
            }
        }

        if ($result || 0 === $result || [] === $result) {
            // 成功的操作
            if (2 == $resultInfo['success']['type']) { // 有操作
                $conditionsArr = $resultInfo['success']['conditions'];
                $allData = array_merge($this->requestData, ['&result' => $result]);

                if ($conditionsArr) {
                    $this->execResult($conditionsArr, $allData);

                    // 如果有执行失败的返回错误
                    foreach ($this->execResultArr as $exeItem) {
                        // 1 错误继续 2 错误退出 3 直接退出
                        $back_type = $exeItem['back_type'];
                        if (2 == $back_type) {
                            if ($exeItem['error']) {
                                return responseMessage($exeItem['result']['code'], $exeItem['result']['msg'] ?? "系统错误");
                            }
                        } elseif ($back_type == 3) {
                            return responseMessage($exeItem['result']['code'], $exeItem['result']['msg'] ?? "系统错误", $exeItem['result']['result']);
                        }
                    }

                    // 处理参数返回的结果
                    if ($backR = $this->exeRequestManage($resultInfo['success'], 'backRe')) {
                        return responseMessage(3001, $backR);
                    }
                }
            }

            /*
             * 如果查询详情，直接返回字段值
             * 为了方便设置参数的时候，可以直接使用返回值
             */
            if (1 == $operateType && 1 == $this->interfaceInfo['search_type']) {
                if (isset($resultInfo['column_only_one']) && $resultInfo['column_only_one']) {
                    $column_id = $resultInfo['columns'];
                    $columnName = $this->columnIdToCodes[$column_id];
                    $result = $result[$columnName] ?? null;
                }
            }

            // 如果设置了返回值，则使用返回值,  不能判断返回值是否为空
            $result = $this->requestData['backRe'] ?? $result;

            return responseMessage(1001, $resultInfo['success']['msg'], $result);
        } else {
            // 失败的操作
            if (2 == $resultInfo['failed']['type']) { // 有操作
                $conditionsArr = $resultInfo['failed']['conditions'];
                $allData = array_merge($this->requestData, ['&result' => $result]);

                if ($conditionsArr) {
                    $this->execResult($conditionsArr, $allData);

                    // 如果有执行失败的返回错误
                    foreach ($this->execResultArr as $exeItem) {
                        // 1 错误继续 2 错误退出 3 直接退出
                        $back_type = $exeItem['back_type'];
                        if (2 == $back_type) {
                            if ($exeItem['error']) {
                                return responseMessage($exeItem['result']['code'], $exeItem['result']['msg'] ?? "系统错误");
                            }
                        } elseif ($back_type == 3) {
                            return responseMessage($exeItem['result']['code'], $exeItem['result']['msg'] ?? "系统错误", $exeItem['result']['result']);
                        }
                    }

                    // 处理参数返回的结果
                    if ($backR = $this->exeRequestManage($resultInfo['failed'], 'backReFailed')) {
                        return responseMessage(3001, $backR);
                    }
                }
            }

            return responseMessage(2001, $resultInfo['failed']['msg'], $this->requestData['backReFailed'] ?? '');
        }
    }

    /**
     * @param array $conditionsArr
     * @param array $allData
     * @return void
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    private function execResult(array $conditionsArr, array $allData)
    {
        foreach ($conditionsArr as $item) {
            if (1 == $item['type']) { // 内容处理
                $expressionResult = $this->execManageCon($allData, $item);

                $flag_uuid = $expressionResult['flag_uuid'] ?? '';
                $this->execResultArr[$flag_uuid] = $expressionResult;
                $this->requestData[$flag_uuid] = $expressionResult['result']['result'] ?? []; // 返回的的是 backJson() [error=>0,code=>0,result=>[]]

                // 1 错误继续 2 错误退出 3 直接退出
                $back_type = $expressionResult['back_type'];
                if (2 == $back_type) {
                    if ($expressionResult['error']) {
                        break;
                    }
                } elseif ($back_type == 3) {
                    break;
                }
            } elseif (2 == $item['type']) { // 判断条件
                $this->checkExpression('result_type', $allData, $item['condition']);
            }
        }
    }

    // ######################################################################

    /**
     * 执行参数，判断参数的真假.
     *
     * @param string $searchOrResultType 判断是搜索内容处理，还是结果集内容管理
     *
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    private function checkExpression(string $searchOrResultType, array $data, array $condition, $find = null)
    {
        // if else 转换为代码执行
        foreach ($condition as $judge) {
            // 参数
            $paramsArr = $judge['params'];
            $resultBool = $parentCurrent = true;

            foreach ($paramsArr as $key => $row) {
                if (0 == $key) {
                    $resultBool = $parentCurrent = $this->execExpression($data, $row);
                } else {
                    if ('and' == $row['type']) {
                        if (true === $parentCurrent) {
                            $resultBool = $parentCurrent = $this->execExpression($data, $row);
                        } else {
                            $resultBool = false;
                            break;
                        }
                    } elseif ('or' == $row['type']) {
                        if (true === $parentCurrent) {
                            $resultBool = true;
                            break;
                        } else {
                            $resultBool = $parentCurrent = $this->execExpression($data, $row);
                        }
                    }
                }
            }

            if ($resultBool) { // 为真，执行内容
                $manageCon = $judge['manageCon'];

                foreach ($manageCon as $con) {
                    $expressionResult = $this->execManageCon($data, $con);

                    // 根据返回类型判断，有的需要直接返回，不再继续向下执行
                    // 1 错误继续 2 错误退出 3 直接退出
                    $back_type = $expressionResult['back_type'];
                    $backResult = $expressionResult['result'] ?? [];

                    $flag_uuid = $expressionResult['flag_uuid'] ?? '';
                    $this->execResultArr[$flag_uuid] = $expressionResult;
                    $this->requestData[$flag_uuid] = $backResult['result'];

                    if (2 == $back_type) {
                        if ($expressionResult['error']) { // 如果出现错误，则返回错误信息
                            return $backResult;
                        }
                    } elseif (3 == $back_type) {
                        break;
                    }
                }

                // 停止条件语句
                break;
            }
        }
    }

    /**
     * 执行函数或表达式.
     */
    private function execExpression(array $data, array $row): bool
    {
        $operate = $row['operate'];

        if ($row['isUseFn']) { // 使用函数
            $fnName = $row['fnName'];
            $fnParams = $row['fnParams'];

            // 如果存在！ 则先截取出来
            preg_match('/^(!*)(.*)/', $fnName, $fnArr);
            $flag = $fnArr[1];
            $fnName = $fnArr[2];

            foreach ($fnParams as $requestColumn) {
                $val = Arr::get($data, $requestColumn);
                if ($val) {
                    $fParams[] = $val;
                } else {
                    $fParams[] = $requestColumn;
                }
            }

            $result = $this->execFunc($fnName, $fParams);
            if ($result) {
                $current = true;
            } else {
                $current = false;
            }

            // ! 非操作符
            if ($flag) {
                if (1 == \strlen($flag) % 2) {
                    $current = !$current;
                }
            }
        } else { // 表达式
            $requestVal = Arr::get($data, $row['params']);

            if ($requestVal || 0 === $requestVal || true === $requestVal || false === $requestVal) {
                $current = $this->getOperateResult($requestVal, $operate, $row['value']);
            } else {
                $current = false;
            }
        }

        return $current;
    }

    /**
     * 操作符的操作结果.
     */
    private function getOperateResult(mixed $requestVal, string $operate, mixed $value): bool
    {
        return match ($operate) {
            'true' => true == $requestVal,
            'false' => false == $requestVal,
            '==' => $requestVal == $value,
            '>' => $requestVal > $value,
            '<' => $requestVal < $value,
            '>=' => $requestVal >= $value,
            '<=' => $requestVal <= $value,
            '!=' => $requestVal != $value,
            '===' => $requestVal === $value,
            '!==' => $requestVal !== $value,
            'in' => \in_array($value, $requestVal),
            default => false,
        };
    }

    /**
     * 普通查询处理.
     *
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    private function execManageCon(array $data, array $con): array|null
    {
        $success_code = (isset($con['success_code']) && $con['success_code']) ? $con['success_code'] : 1001;
        $success_msg = (isset($con['success_msg']) && $con['success_msg']) ? $con['success_msg'] : '恭喜你，操作成功！';
        $failed_code = (isset($con['failed_code']) && $con['failed_code']) ? $con['failed_code'] : 2001;
        $failed_msg = (isset($con['failed_msg']) && $con['failed_msg']) ? $con['failed_msg'] : '操作失败，请稍后再试！';

        // 返回类型为5，直接返回，终止执行
        if (5 == $con['back_type']) {
            $backResult = backJson($failed_code, $failed_msg);
            return ['error' => false, 'back_type' => $con['back_type'], 'result' => $backResult];
        }

        $requestParams = [];
        if (isset($con['column']) && $con['column']) {
            foreach ($con['column'] as $requestColumn) {
                // 允许设置请求别名
                $paramArr = explode(':', $requestColumn);
                $column = $paramArr[0];
                $requestColumn = $paramArr[1] ?? $column;

                $val = Arr::get($data, $column);
                $requestParams[$requestColumn] = $val;
            }
        }

        $param_type = $con['param_type']; // 1 接口 2 函数 3 自定义接口
        if (1 == $param_type) { // 接口
            if (empty($con['interface_id'])) { // 不允许参数为空
                abort(508, '结果集设置错误！- 接口地址不存在！');
            }

            $result = $this->execInterface($con['interface_id'], $requestParams);
        } elseif (2 == $param_type) { // 函数
            if (empty($con['fnName'])) { // 不允许参数为空
                abort(508, '结果集设置错误！- 系统函数或方法不存在！');
            }

            $result = $this->execFunc($con['fnName'], array_values($requestParams));
        } elseif (3 == $param_type) {  // 自定义接口
            if (empty($con['url'])) { // 不允许参数为空
                abort(508, '结果集设置错误！- 系统函数或方法不存在！');
            }

            // todo 可以在前端添加一个client请求设置菜单，可以设置微信支付接口，支付宝接口，百度网盘接口等等
            $url = $con['url'];
            $method = 'POST';
            $options = [
                'json' => $requestParams,
                'timeout' => 60,
                'verify' => false,
            ];

            if (!Str::startsWith($url, 'http')) {
                if (Str::contains($url, '/')) {
                    $url = secure_url($url);
                } else {
                    // 路由名生成一个 URL
                    $url = route($url);
                }
            }

            $client = new Client();
            $result = $client->request($method, $url, $options);
        }

        if ($result instanceof JsonResponse) {
            $backResult = json_decode($result->getContent(), true);
            return ['error' => $backResult['error'], 'back_type' => $con['back_type'], 'flag_uuid' => $con['flag_uuid'] ?? '', 'result' => $backResult];

        } elseif (empty($result) || (isset($result['error']) && $result['error'])) {
            $backResult = backJson($result['code'] ?? $failed_code, $result['msg'] ?? $failed_msg);
            return ['error' => true, 'back_type' => $con['back_type'], 'result' => $backResult];

        } else {
            $backResult = backJson($success_code, $success_msg, isset($result['error']) ? $result['result'] : $result);
            return ['error' => false, 'back_type' => $con['back_type'], 'flag_uuid' => $con['flag_uuid'] ?? '', 'result' => $backResult];
        }
    }

    /**
     * 执行函数.
     */
    private function execFunc(string $function, array $params = []): mixed
    {
        if (empty($function)) {
            abort(508, '结果集设置错误！- 函数为空');
        }

        if (($flag1 = Str::contains($function, '@')) || Str::contains($function, '::')) {
            $arr = explode($flag1 ? '@' : '::', $function);
            $class = $arr[0] ?? '';
            $method = $arr[1] ?? 'handler';

            if ($class && class_exists($class)) {
                if ($flag1) {
                    return \call_user_func_array([new $class($this->requestData, $this->interfaceInfo, $this->websiteInfo, $this->assembleInfo, $this->assembleColumns), $method], $params);
                } else {
                    return \call_user_func_array([$class, $method], $params);
                }
            } else {
                abort(508, '接口参数设置错误！- 类【' . $class . '】不存在');
            }
        } elseif (\function_exists($function)) { // 如果是函数,则使用函数处理,参数：当前字段信息，接口信息，站点信息
            return \call_user_func_array($function, $params);
        }

        return '';
    }

    /**
     * 请求系统接口.
     *
     * @throws \Exception
     */
    private function execInterface(int $interfaceId, $requestParams = []): mixed
    {
        if (empty($interfaceId)) {
            abort(508, '结果集设置错误！- 设置的接口为空！');
        }

        // 获取接口信息
        $otherInterfaceInfo = DB::table('dep_interface')->find($interfaceId);
        if ($otherInterfaceInfo) {
            $interfaceService = new static($otherInterfaceInfo->en_alias, $this->websiteInfo);
            $interfaceService->setRequestData($requestParams); // 设置参数
            $errorMsg = $interfaceService->validator();
            if ($errorMsg) {
                abort(508, '结果集设置错误！- ' . $otherInterfaceInfo->en_alias . $errorMsg);
            } else {
                $response = $interfaceService->exec();

                return json_decode($response->getContent(), true);
            }
        } else {
            abort(508, '结果集设置错误！- 设置的接口不存在');
        }
    }

    /**
     * 获取字段关联的接口返回的数据.
     *
     * @throws \Exception
     */
    private function getChildrenInterfaceResult(array $row, array $relateInfo): mixed
    {
        $data = array_merge($this->requestData, ['&result' => $row]);
        $relateInterfaceId = $relateInfo['interface_id'] ?? '';

        if ($relateInterfaceId) {
            // 获取接口信息
            $interfaceInfo = DB::table('dep_interface')->find($relateInterfaceId);
            $interfaceAlias = $interfaceInfo->en_alias;

            // 参数设置
            $requestParams = [];
            foreach ($relateInfo['params'] as $item) {
                // 允许设置请求别名
                $paramArr = explode(':', $item);
                $column = $paramArr[0];
                $requestColumn = $paramArr[1] ?? $column;
                $val = Arr::get($data, $column);

                //如果没有设置别名，则正则替换 result 为 result_
                $requestColumn = preg_replace('/&result\./', 'result_', $requestColumn);

                $requestParams[$requestColumn] = $val;
            }

            // 请求接口
            $interfaceService = new static($interfaceAlias, $this->websiteInfo);
            $interfaceService->setRequestData($requestParams); // 优点，不会干扰现有的数据，除了固定参数外，其他参数允许接收，如果和固定参数有相同的key，则被覆盖
            $errorMsg = $interfaceService->validator();
            if ($errorMsg) {
                // 为了不干扰原有字段
                $row[$relateInfo['column']] = "error_" . $errorMsg;
            } else {
                $response = $interfaceService->exec();
                $data = json_decode($response->getContent(), true);
                $row[$relateInfo['column']] = $data['result'] ?? [];
            }
        }

        return $row;
    }

    /**
     * @param $ruleValue
     *
     * @return mixed
     */
    private function getRuleClass($ruleValue)
    {
        $class = ucfirst(Str::camel($ruleValue['rule']));
        $class = '\\App\\Rules\\' . $class . 'Rule';
        $ruleObj = new $class($this->table, $ruleValue, $this->websiteInfo['en_alias']);

        // todo 可以在前端页面，设置自定义规则
        if ($ruleObj instanceof EsUniqueRule) {
            $operateType = $this->interfaceInfo['operate_type'];
            if (2 === $operateType || 3 === $operateType) {
                return (new EsUniqueRule($this->table, $ruleValue))->ignore($this->getRequestData('id'));
            }
        } elseif ($ruleObj instanceof EsExistsRule) {
            return new EsExistsRule($this->table, $ruleValue);
        }

        return $ruleObj;
    }
}