<?php

namespace app\common\library\dtalk;

use app\common\exception\BaseException;
use GuzzleHttp\Command\Guzzle\GuzzleClient;
use GuzzleHttp\Psr7\Request;
use GuzzleHttp\Client;

/**
 * 钉钉机器人
 *
 * @Author Mark
 * @DateTime 2024-08-09
 */
class Robot
{
    /**
     * webhook 地址
     *
     * @var string
     * @Author Mark
     * @DateTime 2024-08-09
     */
    private $webhookURL = '';

    /**
     * 机器人密钥
     *
     * @var string
     * @Author Mark
     * @DateTime 2024-08-09
     */
    private $secret = '';

    /**
     * 发送的消息
     *
     * @var string
     * @Author Mark
     * @DateTime 2024-08-09
     */
    private $message = '';

    /**
     * at @ 的手机号
     *
     * @var array
     * @Author Mark
     * @DateTime 2024-08-09
     */
    private $atPhones = [];

    /**
     * 错误信息
     *
     * @var string
     * @Author Mark
     * @DateTime 2024-08-09
     */
    public $error = '';


    public function __construct()
    {
    }

    /**
     * 设置错误信息
     *
     * @param string $error
     * @return boolean
     * @Author Mark
     * @DateTime 2024-08-09
     */
    private function setError(string $error)
    {
        $this->error = $error;
        return false;
    }

    /**
     * 设置机器人accessTokne和secret
     *
     * @param string $webhookURL
     * @param string $secret
     * @return static
     * @Author Mark
     * @DateTime 2024-08-09
     */
    public function setWebhookAndSecret(string $webhookURL, string $secret)
    {
        $this->webhookURL = $webhookURL;
        $this->secret = $secret;
        return $this;
    }

    /**
     * 设置消息
     *
     * @param string $message
     * @return static
     * @Author Mark
     * @DateTime 2024-08-09
     */
    public function setMessage(string $message)
    {
        $this->message = $message;
        return $this;
    }

    /**
     * 设置 @的账号
     *
     * @param array $phones
     * @return static
     * @Author Mark
     * @DateTime 2024-08-09
     */
    public function setAtPhones(array $phones)
    {
        $this->atPhones = $phones;
        return $this;
    }

    /**
     * 获取签名
     *
     * @param integer $timestamp
     * @return string
     * @Author Mark
     * @DateTime 2024-08-09
     */
    private function getSign(int $timestamp): string
    {
        $string = hash_hmac('sha256', $timestamp . "\n" . $this->secret, $this->secret, true);
        $sign = urlencode(base64_encode($string));
        return $sign;
    }

    /**
     * 发送消息
     *
     * @return boolean
     * @Author Mark
     * @DateTime 2024-08-09
     */
    public function sendMessage(): bool
    {
        $timestamp = time() * 1000;
        $sign = $this->getSign($timestamp);
        //发送内容
        $content = [
            'at' => [
                'atMobiles' => $this->atPhones,
            ],
            'text' => [
                'content' => $this->message,
            ],
            'msgtype' => 'text',
        ];
        $url = $this->webhookURL . "&timestamp={$timestamp}&sign={$sign}";
        //发送请求
        $client = new Client();
        $options = [
            'headers' => ['Content-Type' => 'application/json;charset=UTF-8'],
            'json' => $content,
            'verify'  => false
        ];
        $response = $client->request('POST', $url, $options);
        //判断响应状态
        $body = $response->getBody()->getContents();
        $res = json_encode($body, true);
        if (empty($res['errcode'])) {
            return $this->setError('未知错误');
        }
        if ($res['errcode'] != 0) {
            return $this->setError($res['errmsg']);
        }
        return true;
    }
}