<?php

namespace wx\miniprogram\msg;

use ErrorException;
use wx\Base;

/**
 * 客服消息
 * 
 * @method json getTempMedia() static 获取客服消息内的临时素材
 * @method json send() static 发送客服消息给用户
 * @method json setTyping() static 添加订阅消息模板
 * @method json uploadTempMedia() static 删除订阅消息模板
 */
class CustomerServiceMessage extends Base
{

    private $requestUrl = [
        'send' => 'https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=',
        'setTyping' => 'https://api.weixin.qq.com/cgi-bin/message/custom/typing?access_token=',
        'uploadTempMedia' => 'https://api.weixin.qq.com/cgi-bin/media/upload?access_token='
    ];

    public function __call($method, $arguments)
    {
        if (!isset($this->requestUrl[$method])) {
            throw new ErrorException('Method ' . $method . ' not exists');
        }

        $num = count($arguments);
        if ($num != 2) {
            throw new ErrorException('Method ' . $method . ' needs two arguments. ' . $num . ' arguments given.');
        }

        $url = $this->requestUrl[$method] . $arguments[0];
        $data = $this->curl($url, json_encode($arguments[1], JSON_UNESCAPED_UNICODE));
        return $data;
    }

    public function uploadTempMedia($token, $data)
    {
        $url = $this->requestUrl['uploadTempMedia'] . $token.'&type=image';
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_SAFE_UPLOAD, true);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($curl, CURLOPT_HEADER, false);
        $data = curl_exec($curl);
        curl_close($curl);

        return $data;
    }
}