<?php

namespace App\Servers\Wenlv;

use \Exception;

/**
 * 获取博物馆信息API接口
 * @author 唐远望
 * @version 1.0
 * @date 2026-01-06
 */
class MuseumServer
{
    private $header;
    private $baseUrl = 'http://nb.ncha.gov.cn';

    /**
     * 构造函数
     * @throws Exception 当API密钥未设置时抛出异常
     * 
     */
    public function __construct()
    {
        $this->header = [
            'content-type:application/json;charset=UTF-8',
            'accept:*/*',
            'accept-encoding:gzip, deflate',
            'accept-language:zh-CN,zh;q=0.9,en;q=0.8',
            'cookie:Hm_lvt_352975963075889e3e294c05c9b5b506=1775198593; HMACCOUNT=958D4906DE24C8E1; Hm_lpvt_352975963075889e3e294c05c9b5b506=1775203189; JSESSIONID=F3391B6142667B4DEE48F9FD47B90056',
            'host:nb.ncha.gov.cn',
            'proxy-connection:keep-alive',
            'referer:http://nb.ncha.gov.cn/museum.html?page=1&nianfen=2024&level=%E4%BA%8C%E7%BA%A7&showModel=list&order=default',
            'user-agent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36',
            'x-requested-with:XMLHttpRequest',
        ];
    }


    /**
     * 尝试将接口返回内容转成 UTF-8，避免 GBK/GB18030 导致的乱码
     * @param string $str
     * @return string
     */
    private function ensureUtf8($str)
    {
        if (!is_string($str) || $str === '') {
            return $str;
        }

        // 强制检测：优先判断是否已经是 UTF-8
        $enc = mb_detect_encoding($str, ['UTF-8', 'GB18030', 'GBK', 'GB2312'], true);
        if ($enc && strtoupper($enc) !== 'UTF-8') {
            return mb_convert_encoding($str, 'UTF-8', $enc);
        }

        // 如果明显出现替换字符（常见于编码不匹配），尝试兜底从 GB18030 转码
        if (strpos($str, '�') !== false) {
            $converted = @mb_convert_encoding($str, 'UTF-8', 'GB18030');
            if (is_string($converted) && $converted !== '') {
                return $converted;
            }
        }

        return $str;
    }

    /**
     * 博物馆分页数据
     * @author 唐远望
     * @version 1.0
     * @date 2026-01-08
     */
    public function getMuseumPageData()
    {
        $url = $this->baseUrl . '/je/api/loadDataNBLNList?current=1&size=15&NB_ND=2024';
        $response = self::curl_get($url, $this->header);
        $response_data = json_decode($response, true);
        if (isset($response_data['rows']) && !empty($response_data['rows'])) {
            $page_data = [
                'totle' => $response_data['rows']['total'],
                'current' => $response_data['rows']['current'],
                'pages' => $response_data['rows']['pages'],
                'size' => $response_data['rows']['size'],
            ];
        } else {
            $page_data = [
                'totle' => 0,
                'current' => 0,
                'pages' => 0,
                'size' => 0,
            ];
        }
        return $page_data;
    }

    /**
     * 博物馆数据信息列表
     * @author 唐远望
     * @version 1.0
     * @date 2026-01-08
     */
    public function getMuseumList($page)
    {
        $url = $this->baseUrl . '/je/api/loadDataNBLNList?current='.$page.'&size=100&NB_ND=2024&NB_BWGXZ_NAME=&NB_ZLDJ_NAME=&NB_MFKF=&NB_S_NAME=&NB_SS_NAME=&NB_BWGMC=';
        $response = self::curl_get($url, $this->header);
        $response_data = json_decode($response, true);
        return $response_data;
    }

    /**
     * 获取博物馆详情
     * @author 唐远望
     * @version 1.0
     * @date 2026-01-08
     */
    public function getMuseumDetail($BWG_NB_ID)
    {
        $url = $this->baseUrl . '/je/api/loadDataNBLN?parameter={"current":1,"size":-1,"BWG_NB_ID":"' . $BWG_NB_ID . '"}';
        $response = self::curl_get($url, $this->header);
        $response_data = json_decode($response, true);
        return $response_data;
    }

    /**
     * 发送http post请求
     * @param string $url 请求地址
     * @param array $headers 请求头
     * @param json $postdata 请求数据
     * @param array $options curl配置项
     */
    public static function curl_post($url = '', $headers = '', $postdata = '', $options = array())
    {
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
        curl_setopt($ch, CURLOPT_TIMEOUT, 5);
        curl_setopt($ch, CURLOPT_ENCODING, '');  // 添加这一行，让 cURL 自动处理压缩
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
        if (!empty($headers)) {
            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        }
        if (!empty($options)) {
            curl_setopt_array($ch, $options);
        }
        $data = curl_exec($ch);
        return $data;
    }

    /**
     * 发送http get请求
     */
    public static function curl_get($url = '', $headers = '', $options = array())
    {
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_TIMEOUT, 5);
        curl_setopt($ch, CURLOPT_ENCODING, '');  // 添加这一行，让 cURL 自动处理压缩
        if (!empty($headers)) {
            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        }
        if (!empty($options)) {
            curl_setopt_array($ch, $options);
        }
        $data = curl_exec($ch);
        return $data;
    }
}