<?php

namespace app\common\service;

use app\common\validate\UsedCarDetailValidate;
use app\common\traits\crud\CrudServiceTrait;
use app\common\model\UsedCarDetail;
use app\common\model\User;
use support\exception\BusinessException;
use support\Log;
use support\Request;
use support\Redis;
use GuzzleHttp\Client;
use GuzzleHttp\Exception\GuzzleException;
use QL\QueryList;

class UsedCarDetailService
{

    use CrudServiceTrait;

    /**
     * 指定当前要操作的模型
     */
    protected string $modelClass = UsedCarDetail::class;

    /**
     * 验证器
     */
    protected $validator = UsedCarDetailValidate::class;

    /**
     * 获取验证器
     */
    public function getValidator()
    {
        return  new $this->validator;
    }

    /**
     * 构建查询配置
     */
    protected function buildQueryConfig(Request $request, string $scene = 'default'): array
    {
        $p = $request->all();

        $config = [];
        $config['model'] = $this->modelClass;

        switch ($scene) {
            case 'default':
                $config['where']['status'] = 1;
                $config['order']['sort'] = 'desc';
                $config['order']['id'] = 'desc';
                break;

            case 'index':
                // 默认只显示审核通过的数据
                $config['where']['status'] = 1;

                // 审核状态筛选
                if (isset($p['status'])) {
                    $config['where']['status'] = $p['status'];
                }

                // 我的车辆
                if (isset($p['scene']) && $p['scene'] == 'self') {
                    $config['where']['user_id'] = $request->user['id'];
                    unset($config['where']['status']);
                }

                // 关键字搜索
                if (isset($p['keyword']) && $p['keyword']) {
                    $k = '%' . $p['keyword'] . '%';
                    foreach (['product_name', 'code', 'vin', 'manufacturer'] as $col) {
                        $config['orWhere'][] = [$col, 'like', $k];
                    }
                }

                // 品牌筛选
                if (isset($p['crawl_brand_id']) && $p['crawl_brand_id']) {
                    $config['where']['crawl_brand_id'] = $p['crawl_brand_id'];
                }

                // 车系筛选
                if (isset($p['crawl_series_id']) && $p['crawl_series_id']) {
                    $config['where']['crawl_series_id'] = $p['crawl_series_id'];
                }

                // 价格区间
                if (isset($p['min_price']) && $p['min_price']) {
                    $config['where'][] = ['price', '>=', $p['min_price']];
                }
                if (isset($p['max_price']) && $p['max_price']) {
                    $config['where'][] = ['price', '<=', $p['max_price']];
                }

                $config['order']['sort'] = 'desc';
                $config['order']['id'] = 'desc';
                break;

            case 'show':
                $config['where']['id'] = $p['id'];
                // 关联FAQ
                $config['with'] = ['faqs'];
                break;

            case 'store':
                break;

            case 'update':
                $config['where']['id'] = $p['id'];
                break;

            case 'destroy':
                $config['where']['id'] = $p['id'];
                break;
        }

        return $config;
    }

    /**
     * 创建前数据处理
     */
    public function beforeServiceStore($data, Request $request): array
    {
        if (empty($data['product_name'])) {
            throw new BusinessException('产品名称不能为空');
        }

        // 设置用户信息
        $data['user_id'] = $request->user['id'];
        $user = User::where('id', $request->user['id'])->first();
        $data['role_wp'] = $user['role_wp'] ?? 1;

        // 默认待审核状态
        if (!isset($data['status'])) {
            $data['status'] = 0;
        }

        // 生成车辆编号
        $data['code'] = $this->getCode($request->user['id']);

        // 处理图片数据
        if (!empty($data['images'])) {
            if (is_array($data['images'])) {
                $data['images'] = implode(',', $data['images']);
            }
        } else {
            $data['images'] = '';
        }

        // 处理附件数据
        if (!empty($data['attachment'])) {
            if (is_array($data['attachment'])) {
                $data['attachment'] = json_encode($data['attachment']);
            }
        } else {
            $data['attachment'] = '';
        }

        // 处理介绍图片
        if (!empty($data['intro_images'])) {
            if (is_array($data['intro_images'])) {
                $data['intro_images'] = implode(',', $data['intro_images']);
            }
        } else {
            $data['intro_images'] = '';
        }

        // 检查来源URL是否重复
        if (!empty($data['source_url'])) {
            $exists = UsedCarDetail::where('source_url', $data['source_url']);
            $exists = $exists->where('user_id', $data['user_id']);
            if ($exists->exists()) {
                throw new BusinessException('该车源已收录');
            }
        }

        // 如果提供了 crawl_car_id，自动抓取懂车帝车辆参数
        if (!empty($data['crawl_car_id'])) {
            try {
                $params = $this->crawlParams($data['crawl_car_id']);
                $params['official_guide_price'] = str_replace('万','',$params['official_guide_price']);
                // 合并抓取的数据，手动提交的字段优先级更高
                $data = array_merge($params, $data);
            } catch (\Throwable $e) {
                // 抓取失败不阻断创建，记录日志
                Log::warning('抓取车辆参数失败', [
                    'crawl_car_id' => $data['crawl_car_id'],
                    'error' => $e->getMessage(),
                ]);
            }
        }

        return $data;
    }

    /**
     * 更新前数据处理
     */
    public function beforeServiceUpdate($data, Request $request): array
    {
        if (empty($data['product_name'])) {
            throw new BusinessException('产品名称不能为空');
        }

        // 获取车辆信息
        $carId = $data['id'] ?? null;
        if ($carId) {
            $car = UsedCarDetail::find($carId);
            if (!$car) {
                throw new BusinessException('车辆不存在');
            }

            // 审核通过的车辆禁止修改
            if ($car->status == 1) {
                throw new BusinessException('审核通过的车辆禁止修改');
            }

            // 审核拒绝的车辆修改后状态改为待审核
            if ($car->status == 2) {
                $data['status'] = 0;
            }
        }

        // 处理附件数据
        if (isset($data['attachment'])) {
            if (is_array($data['attachment'])) {
                $data['attachment'] = json_encode($data['attachment']);
            }
        }

        // 处理介绍图片
        if (isset($data['intro_images'])) {
            if (is_array($data['intro_images'])) {
                $data['intro_images'] = json_encode($data['intro_images']);
            }
        }

        return $data;
    }

    /**
     * 更新状态
     */
    public function serviceUpdateStatus(Request $request, array $data)
    {
        if (empty($data['id'])) {
            throw new BusinessException('id不能为空');
        }
        if (!isset($data['status'])) {
            throw new BusinessException('status错误');
        }
        return UsedCarDetail::where('id', $data['id'])->update(['status' => $data['status']]);
    }

    /**
     * 保存FAQ
     */
    public function saveFaqs(int $carId, array $faqs)
    {
        // 删除旧的FAQ
        \app\common\model\UsedCarFaq::where('car_id', $carId)->delete();

        // 创建新的FAQ
        if (!empty($faqs)) {
            foreach ($faqs as $faq) {
                \app\common\model\UsedCarFaq::create([
                    'car_id' => $carId,
                    'question' => $faq['question'] ?? '',
                    'answer' => $faq['answer'] ?? '',
                    'sort' => $faq['sort'] ?? 0,
                    'status' => $faq['status'] ?? 1,
                ]);
            }
        }
    }

    /**
     * 生成车辆编号
     */
    public function getCode(int $userId): string
    {
        $userCount = Redis::get('used_car_detail_count_' . $userId, 0);
        $todayStart = strtotime('today');
        $count = UsedCarDetail::where('user_id', $userId)
            ->where('created_at', '>=', $todayStart)
            ->count();
        $count = $count < $userCount ? $userCount + 1 : $count + 1;
        $countCode = str_pad($count, 3, '0', STR_PAD_LEFT);
        $userCode = str_pad($userId, 3, '0', STR_PAD_LEFT);
        Redis::set('used_car_detail_count_' . $userId, $count, 86400);

        $user = User::where('id', $userId)->first();
        $nameInitials = $this->getNameInitials($user['name'] ?? '');

        return 'UCD' . $nameInitials . $userCode . date('Ymd') . $countCode;
    }

    /**
     * 获取中文名拼音首字母
     */
    private function getNameInitials(string $name): string
    {
        $initials = '';
        $len = mb_strlen($name);
        for ($i = 0; $i < $len; $i++) {
            $char = mb_substr($name, $i, 1);
            $initials .= $this->getFirstChar($char);
        }
        return strtoupper($initials);
    }

    /**
     * 获取单个字符的首字母
     */
    private function getFirstChar(string $char): string
    {
        $s = iconv('UTF-8', 'GB2312//IGNORE', $char);
        $asc = ord($s[0]);

        if ($asc >= 65 && $asc <= 90) {
            return $char;
        }

        if ($s === false || strlen($s) < 2) {
            return '';
        }

        $code = ord($s[0]) * 256 + ord($s[1]) - 65536;

        $map = [
            [-20319, -20284, 'A'],
            [-20283, -19776, 'B'],
            [-19775, -19219, 'C'],
            [-19218, -18711, 'D'],
            [-18710, -18527, 'E'],
            [-18526, -18240, 'F'],
            [-18239, -17923, 'G'],
            [-17922, -17418, 'H'],
            [-17417, -16475, 'J'],
            [-16474, -16213, 'K'],
            [-16212, -15641, 'L'],
            [-15640, -15166, 'M'],
            [-15165, -14923, 'N'],
            [-14922, -14915, 'O'],
            [-14914, -14631, 'P'],
            [-14630, -14150, 'Q'],
            [-14149, -14091, 'R'],
            [-14090, -13319, 'S'],
            [-13318, -12839, 'T'],
            [-12838, -12557, 'W'],
            [-12556, -11848, 'X'],
            [-11847, -11056, 'Y'],
            [-11055, -10247, 'Z']
        ];

        foreach ($map as [$start, $end, $letter]) {
            if ($code >= $start && $code <= $end) {
                return $letter;
            }
        }
        return '';
    }

    /**
     * 提交审核
     */
    public function submitAudit(Request $request, int $carId)
    {
        $car = UsedCarDetail::find($carId);
        if (!$car) {
            throw new BusinessException('车辆不存在');
        }

        // 检查权限：只能提交自己创建的车辆
        if ($car->user_id != $request->user['id']) {
            throw new BusinessException('无权操作');
        }

        // 只有待审核状态才能提交
        if ($car->status != 0) {
            throw new BusinessException('当前状态不允许提交审核');
        }

        return UsedCarDetail::where('id', $carId)->update(['status' => 0]);
    }

    /**
     * 审核车辆
     */
    public function audit(Request $request, array $data)
    {
        $carId = $data['car_id'] ?? null;
        $auditStatus = $data['audit_status'] ?? null;
        $auditReason = $data['audit_reason'] ?? '';

        if (empty($carId)) {
            throw new BusinessException('车辆ID不能为空');
        }
        if (!isset($auditStatus) || !in_array($auditStatus, [1, 2])) {
            throw new BusinessException('审核状态错误');
        }

        $car = UsedCarDetail::find($carId);
        if (!$car) {
            throw new BusinessException('车辆不存在');
        }

        $beforeStatus = $car->status;

        // 创建审核记录
        \app\common\model\UsedCarDetailAudit::create([
            'car_id' => $carId,
            'auditor_id' => $request->user['id'],
            'audit_status' => $auditStatus,
            'audit_reason' => $auditReason,
            'before_status' => $beforeStatus,
            'after_status' => $auditStatus,
        ]);

        // 更新车辆状态
        $result = UsedCarDetail::where('id', $carId)->update(['status' => $auditStatus]);

        // 审核通过后自动推送到WordPress
        $pushResult = ['success' => true, 'message' => ''];
        if ($auditStatus == 1) {
            $pushResult = $this->pushToWordpressAfterAudit($carId);

            // 推送失败，将车辆状态修改为3
            if (!$pushResult['success']) {
                UsedCarDetail::where('id', $carId)->update(['status' => 3]);
            }
        }

        // 返回审核结果和推送结果
        return [
            'audit_success' => true,
            'push_success' => $pushResult['success'],
            'push_message' => $pushResult['message'],
            'message' => $pushResult['success'] ? '审核通过并推送成功' : '审核通过，但推送失败：' . $pushResult['message'],
        ];
    }

    /**
     * 审核通过后推送车辆到WordPress
     * @return array ['success' => bool, 'message' => string]
     */
    private function pushToWordpressAfterAudit(int $carId): array
    {
        try {
            // 获取启用的WordPress站点
            $site = \app\common\model\WordpressSite::where('status', 1)->first();
            if (!$site) {
                $msg = '没有启用的WordPress站点';
                Log::warning('WordPress推送失败：' . $msg, ['car_id' => $carId]);
                return ['success' => false, 'message' => $msg];
            }

            // 检查是否已推送过
            $existing = \app\common\model\WordpressUsedCar::where('wp_site_id', $site->id)
                ->where('used_car_id', $carId)
                ->where('status', 1)
                ->first();
            if ($existing) {
                $msg = '车辆已推送，跳过';
                Log::info('WordPress推送：' . $msg, ['car_id' => $carId]);
                return ['success' => true, 'message' => $msg];
            }

            // 调用推送服务
            $wpService = new \app\common\service\WordpressSiteService();
            $wpService->createProductForNewSite($site, $carId);

            Log::info('WordPress推送成功', ['car_id' => $carId, 'site_id' => $site->id]);
            return ['success' => true, 'message' => ''];

        } catch (\Throwable $e) {
            $msg = $e->getMessage();
            Log::error('WordPress推送失败', [
                'car_id' => $carId,
                'error' => $msg,
                'trace' => $e->getTraceAsString(),
            ]);
            return ['success' => false, 'message' => $msg];
        }
    }

    /**
     * 获取审核记录列表
     */
    public function getAuditRecords(int $carId)
    {
        return \app\common\model\UsedCarDetailAudit::where('car_id', $carId)
            ->with(['auditor:id,name'])
            ->orderBy('created_at', 'desc')
            ->get()
            ->map(function ($item) {
                return [
                    'id' => $item->id,
                    'audit_status' => $item->audit_status,
                    'audit_status_text' => $item->audit_status_text,
                    'audit_reason' => $item->audit_reason,
                    'before_status' => $item->before_status,
                    'after_status' => $item->after_status,
                    'auditor_name' => $item->auditor->name ?? '',
                    'created_at' => date('Y-m-d H:i:s', $item->created_at),
                ];
            });
    }

    /**
     * 获取审核统计数据
     */
    public function getAuditStats(Request $request)
    {
        $query = UsedCarDetail::query();

        // 如果不是管理员，只能看到自己的数据
        if ($request->user['role_wp'] != 3) {
            $query->where('user_id', $request->user['id']);
        }

        return [
            'pending' => (clone $query)->where('status', 0)->count(),
            'approved' => (clone $query)->where('status', 1)->count(),
            'rejected' => (clone $query)->where('status', 2)->count(),
            'total' => $query->count(),
        ];
    }

    /**
     * 抓取懂车帝车辆参数
     *
     * @param string $crawlCarId 车型ID
     * @return array 格式化后的参数数据
     * @throws BusinessException
     */
    public function crawlParams(string $crawlCarId): array
    {
        $url = 'https://www.dongchedi.com/auto/params-carIds-' . $crawlCarId;

        // 请求头配置
        $headers = [
            'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
            'Accept-Language' => 'zh-CN,zh;q=0.9',
            'Referer' => 'https://www.dongchedi.com/',
        ];

        try {
            $client = new Client();
            $response = $client->request('GET', $url, [
                'headers' => $headers,
                'timeout' => 10,
                'verify' => false,  // 禁用SSL验证
            ]);

            $html = (string)$response->getBody();

            if (empty($html)) {
                throw new BusinessException('页面内容为空');
            }

            // 解析HTML获取JSON数据
            $ql = QueryList::html($html);
            $jsonText = $ql->find('#__NEXT_DATA__')->text();

            if (empty($jsonText)) {
                throw new BusinessException('未找到 __NEXT_DATA__ JSON');
            }

            $raw = json_decode($jsonText, true);
            if (json_last_error() !== JSON_ERROR_NONE) {
                throw new BusinessException('JSON解析失败: ' . json_last_error_msg());
            }

            // 提取数据
            $properties = $raw['props']['pageProps']['rawData']['properties'] ?? [];
            $carInfo = $raw['props']['pageProps']['rawData']['car_info'][0] ?? [];

            if (empty($properties) || empty($carInfo)) {
                throw new BusinessException('数据结构异常，无法提取参数');
            }

            // 构建值映射表和分组
            $valuesMap = $this->buildValuesMap($carInfo);
            $groups = $this->buildCarSpecGroups($properties, $valuesMap);

            // 映射到数据库字段
            return $this->mapParamsToDbFields($groups, $carInfo);

        } catch (GuzzleException $e) {
            Log::error('抓取懂车帝参数失败', [
                'crawl_car_id' => $crawlCarId,
                'error' => $e->getMessage(),
            ]);
            throw new BusinessException('抓取参数失败: ' . $e->getMessage());
        } catch (\Throwable $e) {
            Log::error('解析懂车帝参数失败', [
                'crawl_car_id' => $crawlCarId,
                'error' => $e->getMessage(),
            ]);
            throw new BusinessException('解析参数失败: ' . $e->getMessage());
        }
    }

    /**
     * 构建值映射表
     */
    private function buildValuesMap(array $carInfo): array
    {
        $valuesMap = [];

        // 顶层字段
        foreach ($carInfo as $k => $v) {
            if ($k === 'info' || is_array($v)) {
                continue;
            }
            $valuesMap[$k] = ['value' => $v];
        }

        // info中的配置项
        if (!empty($carInfo['info']) && is_array($carInfo['info'])) {
            foreach ($carInfo['info'] as $k => $v) {
                if (is_array($v) && array_key_exists('value', $v)) {
                    $valuesMap[$k] = $v;
                }
            }
        }

        return $valuesMap;
    }

    /**
     * 构建车辆规格分组
     */
    private function buildCarSpecGroups(array $properties, array $valuesMap): array
    {
        $groups = [];
        $currentKey = null;

        foreach ($properties as $item) {
            $type = (int)($item['type'] ?? 1);
            $key = $item['key'] ?? '';
            $text = $item['text'] ?? '';
            $subList = $item['sub_list'] ?? null;

            // 分类字段：type = 0 / 2
            if (in_array($type, [0, 2], true)) {
                $currentKey = $key ?: ($text ?: ('group_' . count($groups)));

                if (!isset($groups[$currentKey])) {
                    $groups[$currentKey] = [
                        'group_key' => $currentKey,
                        'group_text' => $text,
                        'group_type' => $type,
                        'items' => [],
                    ];
                }

                continue;
            }

            // 普通字段：挂到最近的分类下
            if ($currentKey === null) {
                $currentKey = '_default';
                $groups[$currentKey] = [
                    'group_key' => '_default',
                    'group_text' => '其他',
                    'group_type' => -1,
                    'items' => [],
                ];
            }

            $value = '';
            if ($key && isset($valuesMap[$key])) {
                $value = trim((string)($valuesMap[$key]['value'] ?? ''));
            }

            $node = [
                'key' => $key,
                'text' => $text,
                'value' => $value,
            ];

            if (is_array($subList) && !empty($subList)) {
                $children = [];
                foreach ($subList as $sub) {
                    $subKey = $sub['key'] ?? '';
                    $subText = $sub['text'] ?? '';
                    $subValue = '';

                    if ($subKey && isset($valuesMap[$subKey])) {
                        $subValue = trim((string)($valuesMap[$subKey]['value'] ?? ''));
                    }

                    $children[] = [
                        'key' => $subKey,
                        'text' => $subText,
                        'value' => $subValue,
                    ];
                }

                $node['children'] = $children;
            }

            $groups[$currentKey]['items'][] = $node;
        }

        return array_values($groups);
    }

    /**
     * 从分组数据中获取字段值
     */
    private function getFieldValue($groups, string $field): ?string
    {
        if (is_string($groups)) {
            $groups = json_decode($groups, true);
            if (json_last_error() !== JSON_ERROR_NONE) {
                return null;
            }
        }

        if (!is_array($groups)) {
            return null;
        }

        foreach ($groups as $group) {
            if (isset($group['items']) && is_array($group['items'])) {
                foreach ($group['items'] as $item) {
                    if (($item['key'] ?? null) === $field) {
                        return $item['value'] ?? null;
                    }

                    if (!empty($item['children']) && is_array($item['children'])) {
                        foreach ($item['children'] as $child) {
                            if (($child['key'] ?? null) === $field) {
                                return $child['value'] ?? null;
                            }
                        }
                    }
                }
            }
        }

        return null;
    }

    /**
     * 解析尺寸字符串 (如 "4890x1890x1680" 转为长宽高)
     */
    private function parseDimensions(string $dimensionStr): array
    {
        $result = ['body_length' => '', 'body_width' => '', 'body_height' => ''];

        if (empty($dimensionStr)) {
            return $result;
        }

        $parts = explode('x', strtolower(str_replace(['×', 'X', 'Ｘ'], 'x', $dimensionStr)));
        if (count($parts) >= 3) {
            $result['body_length'] = trim($parts[0]);
            $result['body_width'] = trim($parts[1]);
            $result['body_height'] = trim($parts[2]);
        }

        return $result;
    }

    /**
     * 转换安全配置值 (●→标配, ○→选装, -→空)
     */
    private function convertSafetyValue(?string $value): string
    {
        if ($value === '●') {
            return '标配';
        } elseif ($value === '○') {
            return '选装';
        } elseif ($value === '-') {
            return '';
        }
        return $value ?? '';
    }

    /**
     * 映射参数到数据库字段
     * DongChedi 字段 → 数据库字段
     */
    private function mapParamsToDbFields(array $groups, array $carInfo): array
    {
        $result = [];

        // 从 car_info 直接获取的字段
        $result['official_guide_price'] = $carInfo['official_price'] ?? '';

        // 1. 基本信息
        $result['manufacturer'] = $this->getFieldValue($groups, 'sub_brand_name') ?? '';
        $result['level'] = $this->getFieldValue($groups, 'jb') ?? '';
        $result['energy_type'] = $this->getFieldValue($groups, 'fuel_form') ?? '';
        $result['listing_time'] = $this->getFieldValue($groups, 'market_time') ?? '';
        $result['engine'] = $this->getFieldValue($groups, 'engine_description') ?? '';
        $result['electric_motor'] = $this->getFieldValue($groups, 'electric_description') ?? '';
        $result['nedc_range'] = $this->parseNumeric($this->getFieldValue($groups, 'nedc_range'));
        $result['cltc_range'] = $this->parseNumeric($this->getFieldValue($groups, 'cltc_range'));
        $result['fast_charge_platform'] = $this->getFieldValue($groups, 'fast_charge_platform') ?? '';
        $result['charging_time'] = $this->parseDecimal($this->getFieldValue($groups, 'charging_time'));
        $result['fast_charge_percent'] = $this->parseNumeric($this->getFieldValue($groups, 'fast_charge_percent'));
        $result['max_power_kw'] = $this->parseNumeric($this->getFieldValue($groups, 'energy_elect_max_power'));
        $result['max_torque_nm'] = $this->parseNumeric($this->getFieldValue($groups, 'energy_elect_max_torque'));
        $result['transmission_desc'] = $this->getFieldValue($groups, 'gearbox_description') ?? '';
        $result['dimensions'] = $this->getFieldValue($groups, 'length_width_height') ?? '';
        $result['body_structure'] = $this->getFieldValue($groups, 'car_body_struct') ?? '';
        $result['max_speed'] = $this->parseNumeric($this->getFieldValue($groups, 'max_speed'));
        $result['acceleration_100'] = $this->parseDecimal($this->getFieldValue($groups, 'acceleration_time'));
        $result['nedc_fuel_consumption'] = $this->parseDecimal($this->getFieldValue($groups, 'fuel_comprehensive'));
        $result['power_consumption_100'] = $this->parseDecimal($this->getFieldValue($groups, 'power_consumption_100'));
        $result['equivalent_fuel_consumption'] = $this->parseDecimal($this->getFieldValue($groups, 'equivalent_fuel_consumption'));
        $result['maintenance_cost_60k'] = $this->parseDecimal($this->getFieldValue($groups, 'maintain_cost'));

        // 2. 车身信息 (解析尺寸)
        $dimensionStr = $this->getFieldValue($groups, 'length_width_height');
        $dimensions = $this->parseDimensions($dimensionStr ?? '');
        $result['body_length'] = $dimensions['body_length'];
        $result['body_width'] = $dimensions['body_width'];
        $result['body_height'] = $dimensions['body_height'];

        $result['wheelbase'] = $this->parseNumeric($this->getFieldValue($groups, 'wheelbase'));
        $result['door_count'] = $this->parseNumeric($this->getFieldValue($groups, 'door_nums'));
        $result['door_open_type'] = $this->getFieldValue($groups, 'door_open_way') ?? '';
        $result['seat_count'] = $this->parseNumeric($this->getFieldValue($groups, 'seat_count'));

        // 3. 变速箱
        $result['gear_count'] = $this->parseNumeric($this->getFieldValue($groups, 'stalls'));
        $result['transmission_type'] = $this->getFieldValue($groups, 'gearbox_type') ?? '';

        // 4. 底盘/转向
        $result['drive_mode'] = $this->getFieldValue($groups, 'driver_form') ?? '';
        $result['front_suspension'] = $this->getFieldValue($groups, 'front_suspension_form') ?? '';
        $result['rear_suspension'] = $this->getFieldValue($groups, 'rear_suspension_form') ?? '';
        $result['steering_type'] = $this->getFieldValue($groups, 'power_steering_type') ?? '';

        // 5. 主动安全配置
        $result['has_abs'] = $this->convertSafetyValue($this->getFieldValue($groups, 'abs_anti_lock'));
        $result['has_ebd'] = $this->convertSafetyValue($this->getFieldValue($groups, 'brake_force'));
        $result['has_bra'] = $this->convertSafetyValue($this->getFieldValue($groups, 'brake_assist'));
        $result['has_tcs'] = $this->convertSafetyValue($this->getFieldValue($groups, 'traction_control'));
        $result['has_esp'] = $this->convertSafetyValue($this->getFieldValue($groups, 'body_stability_system'));
        $result['has_active_brake'] = $this->convertSafetyValue($this->getFieldValue($groups, 'active_brake'));
        $result['has_lane_assist'] = $this->convertSafetyValue($this->getFieldValue($groups, 'line_support'));
        $result['has_lka'] = $this->convertSafetyValue($this->getFieldValue($groups, 'lane_keeping_assist'));
        $result['has_lane_centering'] = $this->convertSafetyValue($this->getFieldValue($groups, 'lane_center'));
        $result['has_fatigue_remind'] = $this->convertSafetyValue($this->getFieldValue($groups, 'fatigue_driving_warning'));

        // 6. 车轮/制动
        $result['front_brake_type'] = $this->getFieldValue($groups, 'front_brake_type') ?? '';
        $result['rear_brake_type'] = $this->getFieldValue($groups, 'rear_brake_type') ?? '';
        $result['parking_brake_type'] = $this->getFieldValue($groups, 'park_brake_type') ?? '';
        $result['front_tire_spec'] = $this->getFieldValue($groups, 'front_tire_size') ?? '';
        $result['rear_tire_spec'] = $this->getFieldValue($groups, 'rear_tire_size') ?? '';

        // 确保空字符串不被转为null
        foreach ($result as $key => $value) {
            if ($value === null) {
                $result[$key] = '';
            }
        }

        return $result;
    }

    /**
     * 解析数值字段
     */
    private function parseNumeric(?string $value): string
    {
        if ($value === null || $value === '') {
            return '';
        }
        // 提取数字部分
        if (preg_match('/\d+/', $value, $matches)) {
            return $matches[0];
        }
        return '';
    }

    /**
     * 解析小数
     */
    private function parseDecimal(?string $value): string
    {
        if ($value === null || $value === '') {
            return '';
        }
        // 提取数字和小数点
        if (preg_match('/[\d.]+/', $value, $matches)) {
            return $matches[0];
        }
        return '';
    }
}