<?php


namespace app\admin\controller;

trait CustomerInfoExtractor
{
    /**
     * 提取完整客户信息
     */
    public function extractCustomerInfo(string $chatText, array $serviceTypes): array
    {
        return [
            'nickname'   => $this->extractNickname($chatText),
            'city'       => $this->extractCity($chatText),
            'district'   => $this->extractDistrict($chatText),
            'address'    => $this->extractAddress($chatText),
            'phone'      => $this->extractPhone($chatText),
            'remark'     => $this->extractRemark($chatText),
            'services'   => $this->extractServices($chatText, $serviceTypes),
        ];
    }

    protected function extractNickname(string $text): ?string
    {
        if (preg_match('/^(.*?)\s*-->/u', $text, $match)) {
            return trim($match[1]);
        }
        return null;
    }

    protected function extractCity(string $text): ?string
    {
        if (preg_match('/(北京|上海|广州|深圳|武汉|成都|重庆|杭州|南京|天津|西安|苏州|郑州|长沙|青岛|合肥|福州|厦门|南昌|昆明|大连|宁波|无锡|哈尔滨|长春|石家庄|南宁|贵阳|兰州|呼和浩特|乌鲁木齐)/u', $text, $match)) {
            return $match[1];
        }
        return null;
    }

    protected function extractDistrict(string $text): ?string
    {
        if (preg_match('/([\p{Han}]{1,10}区)/u', $text, $match)) {
            return $match[1];
        }
        return null;
    }

    protected function extractAddress(string $text): ?string
    {
        if (preg_match('/(湖北省|四川省|北京市|上海市|重庆市|[\p{Han}]+省)?[\p{Han}]+市\s*[\p{Han}]+区.*?(\d+栋.*?室)/u', $text, $match)) {
            return $match[0];
        }
        return null;
    }

    protected function extractPhone(string $text): ?string
    {
        if (preg_match('/1[3-9]\d{9}/', $text, $match)) {
            return $match[0];
        }
        return null;
    }

    protected function extractRemark(string $text): ?string
    {
        if (preg_match_all('/https?:\/\/[^\s]+/i', $text, $matches)) {
            return implode(', ', $matches[0]);
        }

        // 其他软件/售后/推广语也可加关键词检测
        if (str_contains($text, '软件下载') || str_contains($text, '自动发货')) {
            return '可能包含软件下载或推广信息';
        }

        return null;
    }

    protected function extractServices(string $text, array $serviceTypes): array
    {
        $cleaned = array_filter(array_map('trim', $serviceTypes));
        usort($cleaned, fn($a, $b) => mb_strlen($b, 'UTF-8') - mb_strlen($a, 'UTF-8'));

        $matched = [];
        foreach ($cleaned as $service) {
            if (mb_stripos($text, $service) !== false) {
                $matched[] = $service;
            }
        }
        return $matched;
    }
}