<?php
namespace common\helpers\map;

use common\helpers\CurlHelper;
use Yii;

class QqMapHelper
{
    const HOST = 'https://apis.map.qq.com'; // 请求域名
    const TYPE_WS = '/ws/'; // api请求类型
    const KEY = 'GKRBZ-GJSKB-DASUY-N7XDN-3SNI7-KHFCK'; // 腾讯地图key
    const SECRET = 'cmQJc7AVEhc3FNoZfSX6WrTvL72Ycf0e'; // 签名密钥

    /**
     * 腾讯地图key
     *
     * @var string
     */
    protected static $key = '';

    /**
     * 签名密钥
     *
     * @var string
     */
    protected static $secret = '';

    /**
     * 获取腾讯地图配置
     *
     * @return void
     */
    protected static function getQQMapConfig()
    {
        $config = Yii::$app->services->setting->platform->get('map');

        self::$key = $config['qq_jsapi_key'] ? $config['qq_jsapi_key'] : self::KEY;
        self::$secret = $config['qq_jsapi_secret'] ? $config['qq_jsapi_secret'] : self::SECRET;
    }

    /**
     * 地址解析(由文字地址到经纬度的转换能力，并同时提供结构化的省市区地址信息)
     * @Author: lun
     * @DateTime: 2023/7/20 0020 14:13
     * @Copyright: copyright (c) 2021 广东七件事集团
     * @param $address
     * @return mixed
     */
    public static function Geocoder($address)
    {
        static::getQQMapConfig();
        $require = self::TYPE_WS . 'geocoder/v1';
        $url = self::HOST . $require;
        $params['address'] = $address;
        $params['key'] = self::$key;
        $params['sig'] = self::getSign($require, $params);
        $response = CurlHelper::get($url, $params);
        return $response;
    }

    /**
     * 经纬度转为地址
     * @Author: lun
     * @DateTime: 2023/7/21 0021 14:36
     * @Copyright: copyright (c) 2021 广东七件事集团
     * @param $latitude
     * @param $longitude
     * @return mixed
     */
    public static function ReverseGeocoder($latitude, $longitude)
    {
        static::getQQMapConfig();
        $require = self::TYPE_WS . 'geocoder/v1';
        $url = self::HOST . $require;
        $params['location'] = $latitude . ',' . $longitude;
        // $params['get_poi'] = 1;
        $params['key'] = self::$key;
        $params['sig'] = self::getSign($require, $params);
        $response = CurlHelper::get($url, $params);
        return $response;
    }

    /**
     * 周边搜索（作用于店铺）
     * 示例：https://apis.map.qq.com/ws/place/v1/explore?boundary=nearby(40.040394,116.273523,1000)&policy=1&page_size=10&page_index=1&key=OB4BZ-D4W3U-*****
     * @Author：lun
     * @Date：2025-01-14 14:13
     * @Copyright：copyright（c）2024 广东七件事集团
     * @param $latitude
     * @param $longitude
     * @param $radius
     * @param $auto_extend
     * @return mixed
     */
    public static function explore($latitude, $longitude, $radius = 500, $auto_extend = 1)
    {
        static::getQQMapConfig();
        $require = self::TYPE_WS . 'place/v1/explore';
        $url = self::HOST . $require;
        $params['boundary'] = "nearby({$latitude},{$longitude},{$radius},{$auto_extend})";
        $params['key'] = self::$key;
        $params['sig'] = self::getSign($require, $params);
        // 对所有参数进行URL编码
        foreach ($params as $key => $value) {
            $params[$key] = urlencode($value);
        }
        $response = CurlHelper::get($url, $params, ['x-legacy-url-decode' => 'no']);
        $data['result'] = $response['data'] ?? [];
        return $data;
    }

    /**
     * 周边搜索（作用于路标，此功能相对实用）
     * @Author：lun
     * @Date：2025-01-14 16:27
     * @Copyright：copyright（c）2024 广东七件事集团
     * @param $latitude
     * @param $longitude
     * @param $radius
     * @param $auto_extend
     * @return array|mixed
     */
    public static function here($latitude, $longitude, $radius = 1000, $auto_extend = 1)
    {
        static::getQQMapConfig();
        $require = self::TYPE_WS . 'place/v1/here';
        $url = self::HOST . $require;
        $params['boundary'] = "nearby({$latitude},{$longitude},{$radius},{$auto_extend})";
        $params['key'] = self::$key;
        $params['sig'] = self::getSign($require, $params);
        // 对所有参数进行URL编码
        foreach ($params as $key => $value) {
            $params[$key] = urlencode($value);
        }
        $response = CurlHelper::get($url, $params, ['x-legacy-url-decode' => 'no']);
        $data['result'] = $response['data'] ?? [];
        return $data;
    }

    /**
     * 根据ip获取定位
     * @Author: lun
     * @DateTime: 2023/7/20 0020 14:43
     * @Copyright: copyright (c) 2021 广东七件事集团
     * @param $ip
     * @return mixed
     */
    public static function Iplocation($ip)
    {
        static::getQQMapConfig();
        $require = self::TYPE_WS . 'location/v1/ip';
        $url = self::HOST . $require;
        $params['address'] = $ip;
        $params['key'] = self::$key;
        $params['sig'] = self::getSign($require, $params);
        $response = CurlHelper::get($url, $params);
        return $response;
    }

    /**
     * 生成get请求签名
     * @Author: lun
     * @DateTime: 2023/7/20 0020 11:44
     * @Copyright: copyright (c) 2021 广东七件事集团
     * @param $require
     * @param array $params
     * @return string
     */
    public static function getSign($require, array $params)
    {
        $str = $require . '?';
        ksort($params); // 对键进行升序排序
        foreach ($params as $key => $value) {
            $str .= $key . '=' . $value . '&';
        }
        $str = trim($str, '&') . self::$secret;
        return strtolower(md5($str));
    }

    /**
     * 获取距离经纬度最近的地标
     * @Author：lun
     * @Date：2025-01-14 17:44
     * @Copyright：copyright（c）2024 广东七件事集团
     * @param $latitude
     * @param $longitude
     * @return array|mixed
     */
    public static function getNearPlace($latitude, $longitude)
    {
        $places = self::here($latitude, $longitude);// 获取附近的地点
        $current_distance = 0;// 当前距离
        $min_key = 0;// 最小距离的key
        if (!empty($places['result'])) {
            // 腾讯接口返回的_distance(与boundary传入的经纬度的距离，单位：米)参数距离不准确，所以需要重新计算
            foreach ($places['result'] as $key => $place) {
                $distance = self::getDistance($latitude, $longitude, $place['location']['lat'], $place['location']['lng']);
                if ($key == 0) {
                    $current_distance = $distance;
                    $min_key = $key;
                } else {
                    if ($distance < $current_distance) {
                        $current_distance = $distance;// 取最小的
                        $min_key = $key;
                    }
                }
            }
        }
        return $places['result'][$min_key] ?? [];
    }

    /**
     * 计算两个经纬度之间的距离，单位：米
     * @Author：lun
     * @Date：2025-01-14 16:29
     * @Copyright：copyright（c）2024 广东七件事集团
     * @param $lat1
     * @param $lon1
     * @param $lat2
     * @param $lon2
     * @return float|int
     */
    public static function getDistance($lat1, $lon1, $lat2, $lon2) {
        $R = 6371000; // 地球半径，单位为米

        // 将角度转换为弧度
        $lat1 = deg2rad($lat1);
        $lon1 = deg2rad($lon1);
        $lat2 = deg2rad($lat2);
        $lon2 = deg2rad($lon2);

        // 计算纬度和经度的差值
        $dlat = $lat2 - $lat1;
        $dlon = $lon2 - $lon1;

        // 哈弗赛因公式
        $a = sin($dlat/2) * sin($dlat/2) + cos($lat1) * cos($lat2) * sin($dlon/2) * sin($dlon/2);
        $c = 2 * atan2(sqrt($a), sqrt(1 - $a));

        // 计算距离
        $distance = $R * $c;

        return $distance;
    }
}