<?php
class BaiduMap {
	public static function getKey()
	{
		$keyArray = array(
			"hDgtpAMI5cdojWT0L6MANfKO",
			"WM1tG46pMWurjR2bBXLts8Q0",
			"7IVEKqd3OmZTOkcMX3ASer2Q",
			"xLuGBeuWj1XFhUMLkb1lj8k6",
			"eaTsN78Z6b7Y5dbD3rTp2b1s"
		);
		
		$num = rand(0, 4);
		
		return $keyArray[$num];
	}
}
//这个类主要是处理与经纬度有关的功能

class LewaimaiCoordinate {
	//将GPS坐标转换成高德地图用的坐标
	//微信的事件获取到的坐标均为GPS坐标
	//返回值数组，下标0表示经度，下标1表示维度
	public static function GPStoAMAP($longitude, $latitude)
	{
		$url = "http://restapi.amap.com/v3/assistant/coordinate/convert?locations=" . $longitude . "," . $latitude . "&coordsys=gps&output=json&key=d50fa09605569ecf02005844074bbd28";
		$res = LewaimaiHttp::GET($url);
		$resArray = json_decode($res, true);
		if ($resArray["status"] == "1" && $resArray["info"] == "ok")
		{
			$locations = $resArray["locations"];
			$locationArray = explode(",", $locations);

			return $locationArray;
		}
		
		return false;
	}
	
	//根据经纬度，获得这个经纬度对应的省份，省市，区和详细地址的信息
	public static function GetPositionInfo($longitude, $latitude, $is_gps = true)
	{
		if ($is_gps) 
		{
			$url = "http://apis.map.qq.com/ws/geocoder/v1/?location=" . $latitude . "," . $longitude . "&key=OKJBZ-SEUWG-3NTQR-IRTQH-IVB5Z-5UFIR&coord_type=1";
		}
		else
		{
			$url = "http://apis.map.qq.com/ws/geocoder/v1/?location=" . $latitude . "," . $longitude . "&key=OKJBZ-SEUWG-3NTQR-IRTQH-IVB5Z-5UFIR";
		}
		
		$res = LewaimaiHttp::GET($url);
		$resArray = json_decode($res, true);
		if (isset($resArray["status"]) && $resArray["status"] == "0")
		{
			$infoArray = array();
			
			$infoArray["province"] = $resArray["result"]["address_component"]["province"];
			if (is_array($infoArray["province"]))
			{
				$infoArray["province"] = "";
			}
			
			$infoArray["city"] = $resArray["result"]["address_component"]["city"];
			if (is_array($infoArray["city"])) 
			{
				$infoArray["city"] = "";
			}
			
			$infoArray["district"] = $resArray["result"]["address_component"]["district"];
			if (is_array($infoArray["district"]))
			{
				$infoArray["district"] = "";
			}
			
			$infoArray["address"] = $resArray["result"]["formatted_addresses"]["recommend"];
			
			return $infoArray;
		}
		
		return false;
	}
	
	//更新某个顾客的所有位置信息，包括经纬度，定位结果等
	public static function UpdateLewaimaicustomerPosition($lewaimai_customer_id, $longitude, $latitude, $is_gps = true)
	{
		$lewaimaicustomerModel = LewaimaiCustomer::model()->findByPk($lewaimai_customer_id);
		if ($lewaimaicustomerModel)
		{
			//首先将获取到的GPS坐标，转换成高德系统的坐标
			if ($is_gps) 
			{
				$locationArray = LewaimaiCoordinate::GPStoAMAP($longitude, $latitude);
			}
			else
			{
				$locationArray[0] = $longitude;
				$locationArray[1] = $latitude;
			}			
			
			//获取信息
			$infoArray = LewaimaiCoordinate::GetPositionInfo($longitude, $latitude, $is_gps);
			if (!is_array($infoArray))
			{
				$infoArray = array();
				$infoArray["province"] = "";
				$infoArray["city"] = "";
				$infoArray["district"] = "";
				$infoArray["address"] = "";
			}	
			
			//LewaimaiDebug::LogArray($infoArray);
		
			if (!$locationArray || !$infoArray)
			{
				return false;
			}
		
			$lewaimaicustomerModel->coordinate_x = $locationArray[1];
			$lewaimaicustomerModel->coordinate_y = $locationArray[0];
			$lewaimaicustomerModel->last_position_time = date("Y-m-d H:i:s");
			$lewaimaicustomerModel->position_province = $infoArray["province"];
			$lewaimaicustomerModel->position_city = $infoArray["city"];
			$lewaimaicustomerModel->position_district = $infoArray["district"];
			$lewaimaicustomerModel->position_address = $infoArray["address"];			
			if (!$lewaimaicustomerModel->update())
			{
				LewaimaiDebug::LogModelError($lewaimaicustomerModel);
					
				return false;
			}
			
			return true;
		}
		
		return false;
	}
	
	//根据ip获取位置信息
	/**
	{
		"address": "CN|广东|深圳|None|CHINANET|0|0",
		"content": {
			"address_detail": {
				"province": "广东省",
				"city": "深圳市",
				"district": "",
				"street": "",
				"street_number": "",
				"city_code": 340
			},
			"address": "广东省深圳市",
			"point": {
				"y": "2560682.35",
				"x": "12693451.44"
			}
		},
		"status": 0
	}
	*/
	public static function GetPositionByIp($ip)
	{
		$key = BaiduMap::getKey();
		$url = file_get_contents("http://api.map.baidu.com/location/ip?ip=".$ip."&ak=".$key);
		$data = json_decode($url,true);
		if ($data && $data['status'] == 0) {
			return $data['content'];
		} 
		return false;
	}
	
}