<?php
namespace common\components;
header("Content-type:text/html; charset=UTF-8");
/* *
 * 类名：ChuanglanSmsApi
 * 功能：创蓝接口请求类
 * 详细：构造创蓝短信接口请求，获取远程HTTP数据
 * 版本：1.3
 * 日期：2017-04-12
 * 说明：
 * 以下代码只是为了方便客户测试而提供的样例代码，客户可以根据自己网站的需要，按照技术文档自行编写,并非一定要使用该代码。
 * 该代码仅供学习和研究创蓝接口使用，只是提供一个参考。
 */

class ChuanglanSmsApi {

	//参数的配置 请登录zz.253.com 获取以下API信息 ↓↓↓↓↓↓↓
	const API_SEND_URL='http://smsbj1.253.com/msg/send/json'; //创蓝发送短信接口URL
	const API_VARIABLE_URL = 'http://smsbj1.253.com/msg/variable/json';//创蓝变量短信接口URL
	const API_BALANCE_QUERY_URL= 'http://XXX/msg/balance/json';//创蓝短信余额查询接口URL
	
	const API_ACCOUNT= 'N2890342'; // 创蓝API账号
	const API_PASSWORD= 'abc178c7';// 创蓝API密码
	//参数的配置 请登录zz.253.com 获取以上API信息 ↑↑↑↑↑↑↑

	private $account = self::API_ACCOUNT;
	private $password = self::API_PASSWORD;

	public function __construct($accountKey = 'default')
	{
		$this->useAccount($accountKey);
	}

	/**
	 * 切换短信账号
	 *
	 * .env 配置示例：
	 * SMS_ACCOUNTS={"default":{"account":"Nxxxx","password":"xxxx"},"marketing":{"account":"Nyyyy","password":"yyyy"}}
	 *
	 * @param string $accountKey SMS_ACCOUNTS 中的账号标识
	 * @return $this
	 */
	public function useAccount($accountKey = 'default')
	{
		$account = self::getAccountConfig($accountKey);
		$this->account = $account['account'];
		$this->password = $account['password'];

		return $this;
	}

	/**
	 * 发送短信
	 *
	 * @param string $mobile 		手机号码
	 * @param string $msg 			短信内容
	 * @param string|bool $needstatus 是否需要状态报告
	 * @param string $callbackUrl 	状态回执地址
	 */
	public function sendSMS( $mobile, $msg, $needstatus = 'true', $callbackUrl = '', $uid = '') {
		
		//创蓝接口参数
		$postArr = array (
			'account'  =>  $this->account,
			'password' => $this->password,
			'msg' => urlencode($msg),
			'phone' => $mobile,
			'report' => $needstatus,
			'callbackUrl' => $callbackUrl,
			'uid' => $uid //任意自定义参数（类型是字符串）
       		);
		$result = $this->curlPost( self::API_SEND_URL, $postArr);
		return $result;
	}
	
	/**
	 * 发送变量短信
	 *
	 * @param string $msg 			短信内容
	 * @param string $params 	最多不能超过1000个参数组
	 * @param string $extend 	上行回复匹配用扩展码
	 */
	public function sendVariableSMS( $msg, $params, $extend = '') {
		
		//创蓝接口参数
		$postArr = array (
			'account'  =>  $this->account,
			'password' => $this->password,
			'msg' => $msg,
			'params' => $params,
			'report' => 'true'
        	);
		if ($extend !== '') {
			$postArr['extend'] = (string)$extend;
		}

		$result = $this->curlPost( self::API_VARIABLE_URL, $postArr);
		return $result;
	}
	
	/**
	 * 查询额度
	 *
	 *  查询地址
	 */
	public function queryBalance() {
		
		//查询参数
		$postArr = array ( 
		        'account'  =>  $this->account,
			'password' => $this->password,
		);
		$result = $this->curlPost(self::API_BALANCE_QUERY_URL, $postArr);
		return $result;
	}

	private static function getAccountConfig($accountKey)
	{
		$accountsConfig = self::env('SMS_ACCOUNTS');
		if (!empty($accountsConfig)) {
			$accounts = json_decode($accountsConfig, true);
			if (!is_array($accounts)) {
				util::fail('短信账号配置格式错误');
			}

			if (!empty($accounts[$accountKey]) && is_array($accounts[$accountKey])) {
				return self::validateAccountConfig($accounts[$accountKey]);
			}

			if ($accountKey !== 'default') {
				util::fail('短信账号不存在');
			}
		} elseif ($accountKey !== 'default') {
			util::fail('短信多账号配置不存在');
		}

		$account = self::env('CHUANGLAN_SMS_ACCOUNT', self::API_ACCOUNT);
		$password = self::env('CHUANGLAN_SMS_PASSWORD', self::API_PASSWORD);

		return self::validateAccountConfig([
			'account' => $account,
			'password' => $password,
		]);
	}

	private static function validateAccountConfig($account)
	{
		if (empty($account['account']) || empty($account['password'])) {
			util::fail('短信账号配置不完整');
		}

		return $account;
	}

	private static function env($key, $default = null)
	{
		$value = getenv($key);
		if ($value !== false) {
			return $value;
		}

		return $default;
	}

	/**
	 * 通过CURL发送HTTP请求
	 * @param string $url  //请求URL
	 * @param array $postFields //请求参数 
	 * @return mixed
	 *  
	 */
	private function curlPost($url,$postFields){
		$postFields = json_encode($postFields);
		$ch = curl_init ();
		curl_setopt( $ch, CURLOPT_URL, $url ); 
		curl_setopt( $ch, CURLOPT_HTTPHEADER, array(
			'Content-Type: application/json; charset=utf-8'   //json版本需要填写  Content-Type: application/json;
			)
		);
		curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); //若果报错 name lookup timed out 报错时添加这一行代码
		curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
		curl_setopt( $ch, CURLOPT_POST, 1 );
         	curl_setopt( $ch, CURLOPT_POSTFIELDS, $postFields);
       		curl_setopt( $ch, CURLOPT_TIMEOUT,60); 
        	curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, 0);
        	curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, 0);
		$ret = curl_exec ( $ch );
        if (false == $ret) {
            $result = curl_error(  $ch);
        } else {
            $rsp = curl_getinfo( $ch, CURLINFO_HTTP_CODE);
            if (200 != $rsp) {
                $result = "请求状态 ". $rsp . " " . curl_error($ch);
            } else {
                $result = $ret;
            }
        }
		curl_close ( $ch );
		return $result;
	}
	
}


?>