<?php
namespace app\admin\addresmart;
use app\admin\model\Item;
use function fast\e;

class Address
{
    /*
    ** 智能解析
    */
    public static function smart($string, $user = true)
    {
        $items = new Item();
        $array = $items->getAll();
        $name_items = [];
        $name_items_map = [];
        foreach ($array as $item){
            $name_items [] = $item->title;
            $name_items_map [$item->title] = $item->id;
        }

        $titles = Item::where('status',1)->column('title');
        $type =  self::extractServiceTypes($string,$titles)[0] ?? '';


        $type_arr =  explode('__',$type);
        $type = $type_arr[0] ?? '';
        $str = $type_arr[1] ?? '';
        $string = str_replace($str,'',$string);
        if ($user) {
            $decompose = self::decompose($string);
            $re = $decompose;
        } else {
            $re['addr'] = $string;
        }


        $fuzz = self::fuzz($re['addr']);
        $parse = self::parse($fuzz['a1'], $fuzz['a2'], $fuzz['a3']);

        $re['province'] = $parse['province'] ?? '';
        $re['city'] = $parse['city'] ?? '';
        $re['region'] = $parse['region'] ?? '';
        $re['item'] = [
            'id'=> $name_items_map[$type] ?? 0,
            'item' => $type ?? ''
        ];

        $re['street'] = ($fuzz['street']) ?: '';
        $re['street'] = str_replace([$re['region'], $re['city'], $re['province']], ['', '', ''], $re['street']);

        return $re;
    }
    public static function extractChineseWords($str) {
        // 只保留中文
        preg_match_all('/\p{Han}+/u', $str, $matches);
        return $matches[0] ?? []; // 返回拆分后的数组
    }
    public static  function findMostSimilar($input, $array) {
        $words = self::extractChineseWords($input); // 拆分成多个部分
        $finalScores = [];

        foreach ($words as $word) {
            $similarities = [];

            foreach ($array as $item) {
                similar_text($word, $item, $percent);
                $similarities[$item] = max($percent, $similarities[$item] ?? 0);
            }

            arsort($similarities); // 按相似度降序
            $bestMatch = array_key_first($similarities); // 取最高匹配项
            $finalScores[$bestMatch.'__'.$word] = $similarities[$bestMatch];
        }
        arsort($finalScores); // 计算整体匹配度，选择最高的
        if ($finalScores[array_key_first($finalScores)] > 51){
            return array_key_first($finalScores); // 返回最终匹配结果
        }else{
            return '';
        }
    }


    /*
    ** 分离手机号(座机)，身份证号，姓名等用户信息
    */
    public static function decompose($string)
    {

        $compose = array();

        $search = array('收货地址', '详细地址', '地址', '收货人', '收件人', '收货', '所在地区', '邮编', '电话', '手机号码','身份证号码', '身份证号', '身份证', '：', ':', '；', ';', '，', ',', '。');
        $replace = array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ');
        $string = str_replace($search, $replace, $string);

        $string = preg_replace('/\s{1,}/', ' ', $string);

        $string = preg_replace('/0?(\d{3})-(\d{4})-(\d{4})([-_]\d{1,})/', '$1$2$3$4', $string);

        preg_match('/\d{18}|\d{17}X/i', $string, $match);
        if ($match && $match[0]) {
            $compose['idn'] = strtoupper($match[0]);
            $string = str_replace($match[0], '', $string);
        }

        preg_match('/\d{7,11}[\-_]\d{2,6}|\d{7,11}|\d{3,4}-\d{6,8}/', $string, $match);
        if ($match && $match[0]) {
            $compose['mobile'] = $match[0];
            $string = str_replace($match[0], '', $string);
        }

        preg_match('/\d{6}/', $string, $match);
        if ($match && $match[0]) {
            $compose['postcode'] = $match[0];
            $string = str_replace($match[0], '', $string);
        }

        $string = trim(preg_replace('/ {2,}/', ' ', $string));

        $split_arr = explode(' ', $string);
        if (count($split_arr) > 1) {
            $compose['name'] = $split_arr[0];
            foreach ($split_arr as $value) {
                if (strlen($value) < strlen($compose['name'])) {
                    $compose['name'] = $value;
                }
            }
            $string = trim(str_replace($compose['name'], '', $string));
        }

        $compose['addr'] = $string;

        return $compose;
    }

    /*
    ** 根据统计规律分析出二三级地址
    */
    public static function fuzz($addr)
    {
        $addr_origin = $addr;
        $addr = str_replace([' ', ','], ['', ''], $addr);
        $addr = str_replace('自治区', '省', $addr);
        $addr = str_replace('自治州', '州', $addr);

        $addr = str_replace('小区', '', $addr);
        $addr = str_replace('校区', '', $addr);

        $a1 = '';
        $a2 = '';
        $a3 = '';
        $street = '';

        if (mb_strpos($addr, '县') !== false && mb_strpos($addr, '县') <= floor((mb_strlen($addr) / 3) * 2)
            || (mb_strpos($addr, '区') !== false && mb_strpos($addr, '区') <= floor((mb_strlen($addr) / 3) * 2))
            || mb_strpos($addr, '旗') !== false && mb_strpos($addr, '旗') <= floor((mb_strlen($addr) / 3) * 2)) {

            if (mb_strstr($addr, '旗')) {
                $deep3_keyword_pos = mb_strpos($addr, '旗');
                $a3 = mb_substr($addr, $deep3_keyword_pos - 1, 2);
            }
            if (mb_strstr($addr, '区')) {
                $deep3_keyword_pos = mb_strpos($addr, '区');

                if (mb_strstr($addr, '市')) {
                    $city_pos = mb_strpos($addr, '市');
                    $zone_pos = mb_strpos($addr, '区');
                    $a3 = mb_substr($addr, $city_pos + 1, $zone_pos - $city_pos);
                } else {
                    $a3 = mb_substr($addr, $deep3_keyword_pos - 2, 3);
                }
            }
            if (mb_strstr($addr, '县')) {
                $deep3_keyword_pos = mb_strpos($addr, '县');

                if (mb_strstr($addr, '市')) {
                    $city_pos = mb_strpos($addr, '市');
                    $zone_pos = mb_strpos($addr, '县');
                    $a3 = mb_substr($addr, $city_pos + 1, $zone_pos - $city_pos);
                } else {

                    if (mb_strstr($addr, '自治县')) {
                        $a3 = mb_substr($addr, $deep3_keyword_pos - 6, 7);
                        if (in_array(mb_substr($a3, 0, 1), ['省', '市', '州'])) {
                            $a3 = mb_substr($a3, 1);
                        }
                    } else {
                        $a3 = mb_substr($addr, $deep3_keyword_pos - 2, 3);
                    }
                }
            }
            $street = mb_substr($addr_origin, $deep3_keyword_pos + 1);
        } else {
            if (mb_strripos($addr, '市')) {

                if (mb_substr_count($addr, '市') == 1) {
                    $deep3_keyword_pos = mb_strripos($addr, '市');
                    $a3 = mb_substr($addr, $deep3_keyword_pos - 2, 3);
                    $street = mb_substr($addr_origin, $deep3_keyword_pos + 1);
                } else if (mb_substr_count($addr, '市') >= 2) {
                    $deep3_keyword_pos = mb_strripos($addr, '市');
                    $a3 = mb_substr($addr, $deep3_keyword_pos - 2, 3);
                    $street = mb_substr($addr_origin, $deep3_keyword_pos + 1);
                }
            } else {

                $a3 = '';
                $street = $addr;
            }
        }

        if (mb_strpos($addr, '市') || mb_strstr($addr, '盟') || mb_strstr($addr, '州')) {
            if ($tmp_pos = mb_strpos($addr, '市')) {
                $a2 = mb_substr($addr, $tmp_pos - 2, 3);
            } else if ($tmp_pos = mb_strpos($addr, '盟')) {
                $a2 = mb_substr($addr, $tmp_pos - 2, 3);
            } else if ($tmp_pos = mb_strpos($addr, '州')) {

                if ($tmp_pos = mb_strpos($addr, '自治州')) {
                    $a2 = mb_substr($addr, $tmp_pos - 4, 5);
                } else {
                    $a2 = mb_substr($addr, $tmp_pos - 2, 3);
                }
            }
        } else {
            $a2 = '';
        }
        $a2;

        $r = array(
            'a1' => $a1,
            'a2' => $a2,
            'a3' => $a3,
            'street' => $street,
        );

        return $r;
    }

    /*
    ** 智能解析出省市区+街道地址
    */
    public static function parse($a1, $a2, $a3)
    {
        require 'data/a3.php';
        require 'data/a2.php';
        require 'data/a1.php';

        $r = array();

        if ($a3 != '') {

            $area3_matches = array();
            foreach ($a3_data as $id => $v) {
                if (mb_strpos($v['name'], $a3) !== false) {
                    $area3_matches[$id] = $v;
                }
            }

            if ($area3_matches && count($area3_matches) > 1) {
                if ($a2) {
                    foreach ($a2_data as $id => $v) {
                        if (mb_strpos($v['name'], $a2) !== false) {
                            $area2_matches[$id] = $v;
                        }
                    }

                    if ($area2_matches) {
                        foreach ($area3_matches as $id => $v) {

                            if (isset($area2_matches[$v['pid']])) {
                                $r['city'] = $area2_matches[$v['pid']]['name'];
                                $r['region'] = $v['name'];
                                $sheng_id = $area2_matches[$v['pid']]['pid'];
                                $r['province'] = $a1_data[$sheng_id]['name'];
                            }
                        }
                    }
                } else {

                    $r['province'] = '';
                    $r['city'] = '';
                    $r['region'] = $a3;
                }
            } else if ($area3_matches && count($area3_matches) == 1) {
                foreach ($area3_matches as $id => $v) {
                    $city_id = $v['pid'];
                    $r['region'] = $v['name'];
                }
                $city = $a2_data[$city_id];
                $province = $a1_data[$city['pid']];

                $r['province'] = $province['name'];
                $r['city'] = $city['name'];
            } else if (empty($area3_matches) && $a2 == $a3) {

                foreach ($a2_data as $id => $v) {
                    if (mb_strpos($v['name'], $a2) !== false) {
                        $area2_matches[$id] = $v;
                        $sheng_id = $v['pid'];
                        $r['city'] = $v['name'];
                    }
                }

                $r['province'] = $a1_data[$sheng_id]['name'];
                $r['region'] = '';
            }
        }

        return $r;
    }


    /**
     * 从聊天内容中提取匹配的服务类型
     *
     * @param string $chatText 聊天内容
     * @param array $serviceTypes 服务类型数组
     * @param bool $returnAll 是否返回全部匹配，false 时只返回第一个匹配
     * @return array|string|null 匹配的服务类型（数组或单个字符串）
     */
    static function extractServiceTypes(string $chatText, array $serviceTypes, bool $returnAll = true): array|string|null
    {
        // 去重 + 去空
        $cleaned = array_filter(array_map('trim', $serviceTypes));

        // 优先匹配更长的词
        usort($cleaned, fn($a, $b) => mb_strlen($b, 'UTF-8') - mb_strlen($a, 'UTF-8'));

        $matched = [];

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

        return $returnAll ? $matched : null;
    }


}