<?php
namespace baidu;
/*
	百度地图接口插件
*/

class Map
{
	private $AK="";
	public function __construct()
	{
    	//执行父类的构造方法
		$this->AK = sysconfig('baidu.map_ak');
	}
	//wgs84转百度坐标
	public function wgs84_to_baidu($location)
	{
		$url='https://api.map.baidu.com/geoconv/v1/?coords='.$location['lng'].','.$location['lat'].'&from=1&to=5&ak='.$this->AK;
		$result=json_decode(file_get_contents($url),true);
		$result = $result['result'][0];
		if(isset($result['x'])){
			$loc['lng']=$result['x'];
			$loc['lat']=$result['y'];
			return $loc;	
		}else{
			return false;
		}
	}
	//地址转经纬度
	public function address_to_location($Address)
	{
      	$Address=str_replace(' ','',$Address);
		$url='https://api.map.baidu.com/geocoding/v3/?address='.$Address.'&city=宜昌市&output=json&ak='.$this->AK;
		$result=json_decode(file_get_contents($url),true);
		if(isset($result['result']['location'])){
			return $result['result']['location'];
		}else{
			WLog('address_to_location',json_encode($result));
			return false;
		}
	}
	// 经纬度转地址
	public function location_to_address($location,$coordtype='wgs84ll')
	{
		$url = "http://api.map.baidu.com/reverse_geocoding/v3/?ak=".$this->AK."&output=json&coordtype=$coordtype&location=".$location['lat'].",".$location['lng'];
		$result = json_decode(file_get_contents($url),true);
		if($result['status']==0){
			return $result['result'];
		}else{
			return false;
		}
	}
	// 地点检索
	public function getAddrList($query)
	{
		$query = str_replace(' ','',$query);
		if(!empty($query)){
			$url = "https://api.map.baidu.com/place/v2/search?query=$query&output=json&region=宜昌市&page_size=10&ak=".$this->AK;
			$result = json_decode(file_get_contents($url),true);
			if($result['status']==0){
				$addressList = array_column($result['results'],'name');
				if(!in_array($query,$addressList)){
					$local = $this->address_to_location($query);
					if($local){
						$result['results'][] = [
							'name'	=>	$query,
							'location'	=>	$local,
							'address'	=>	$query
						];
					}
				}
				return $result['results'];
			}else{
				WLog('getaddrlist',json_encode($result));
				return false;
			}
		}else{
			return false;
		}
	}
}
?>