<?php

namespace app\common\utils;

use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;
use support\Cache;
use Webman\Exception\BusinessException;

class Feishu
{

    protected $appId = '';
    protected $appSecret = '';
    protected $baseUri = '';
    protected $client = null;
    protected $options = [];
    protected $error = '';
    protected $abbr = 'hesu';

    /**
     *  初始化
     */
    public function __construct(string $appId = '', string $appSecret = '', string $abbr = 'hesu')
    {

        if ($abbr === 'mbaf') {
            $this->baseUri = 'https://open.larksuite.com/open-apis/';
        } else {
            $this->baseUri = 'https://open.feishu.cn/open-apis/';
        }

        $this->appId = $appId;
        $this->appSecret = $appSecret;
        $this->abbr = $abbr;

        $this->client = new Client([
            'base_uri' => $this->baseUri
        ]);

        $this->options = [
            'headers' => [
                'Content-Type' => 'application/json; charset=utf-8'
            ]
        ];
    }

    /**
     *  异常
     */
    public function error()
    {
        return $this->error;
    }

    /**
     *  请求
     */
    public function requestResult($url = "", $method = "POST")
    {
        try {
            $res = $this->client->request($method, $this->baseUri.$url, $this->options);
            if ($res->getBody()) {
                $result = json_decode($res->getBody(), true);
                // var_dump($result);
                if ($result["code"] === 0) {
                    return $result;
                } else {
                    $this->error = $result["msg"];
                    return false;
                }
            } else {
                $this->error = "result error";
                return false;
            }
        } catch (RequestException $e) {
            if ($e->hasResponse()) {
                var_dump('2 ：'.$e->getResponse()->getBody());
                throw new BusinessException($e->getResponse()->getBody());
            } else {
                var_dump('3 ：'.$e->getMessage());
                throw new BusinessException($e->getMessage());
            }
        } catch (\Throwable $th) {
            var_dump('4 ：'.$th->getFile()."|".$th->getLine()."|".$th->getMessage());
            $this->error = $th->getFile()."|".$th->getLine()."|".$th->getMessage();
            return false;
        }
    }

    /**
     * 授权
     */
    public function authorize($certificate,$mobile, $url = 'authen/v1/authorize')
    {
        $arr = [
            'app_id'        => $certificate['app_id'],
            'redirect_uri' => $mobile == 1 ? $certificate['m_url'] : $certificate['r_url'],
            'scope'         => $certificate['scope'],
            'state'         => $certificate['state']
        ];
        $queryData = http_build_query($arr);
        return $this->baseUri.$url.'?'.$queryData;
    }

    /**
     *  自建应用获取 tenant_access_token
     */
    public function tenantAccessToken()
    {
        $tenantAccessToken = Cache::get($this->abbr.'-tenantAccessToken');
        if (!$tenantAccessToken) {
            $this->options["json"] = [
                "app_id"        => $this->appId,
                "app_secret"    => $this->appSecret
            ];
            $rst = $this->requestResult('auth/v3/tenant_access_token/internal', 'POST');
            if ($rst) {
                $tenantAccessToken = $rst['tenant_access_token'];
                Cache::set($this->abbr.'-tenantAccessToken', $tenantAccessToken, $rst['expire']);
            } else {
                throw new BusinessException('tenant_access_token 获取失败');
            }
        }
        return $tenantAccessToken;
    }

    /**
     *  通过手机号或邮箱获取用户 ID
     */
    public function getUserIdByPhoneOrEmail($phone = '', $userIdType = 'open_id')
    {
        $this->options["headers"] = [
            "Authorization" => "Bearer " . $this->tenantAccessToken(),
            "Content-Type"  => "application/json; charset=utf-8"
        ];
        $this->options["json"] = [
            "emails"    => [],
            "mobiles"   => [$phone],
            "include_resigned" => false
        ];
        $rst = $this->requestResult('contact/v3/users/batch_get_id?user_id_type='.$userIdType, 'POST');
        return $rst;
    }

    /**
     *  发送消息
     */
    public function sendMessages($receiveId = '', $content = '', $msgType = 'text', $receiveIdtype = 'open_id')
    {
        $this->options["headers"] = [
            "Authorization" => "Bearer " . $this->tenantAccessToken(),
            "Content-Type"  => "application/json; charset=utf-8"
        ];
        $this->options["json"] = [
            "receive_id" => $receiveId,
            "msg_type"   => $msgType,
            "content" => $content
        ];
        $rst = $this->requestResult('im/v1/messages?receive_id_type='.$receiveIdtype, 'POST');
        return $rst;
    }

    /**
     *  编辑消息
     */
    public function updateSendMessages($messageId = '', $content = '', $msgType = 'text')
    {
        $this->options["headers"] = [
            "Authorization" => "Bearer " . $this->tenantAccessToken(),
            "Content-Type"  => "application/json; charset=utf-8"
        ];
        $this->options["json"] = [
            "msg_type"   => $msgType,
            "content" => $content
        ];
        $rst = $this->requestResult('im/v1/messages/'.$messageId, 'PUT');
        return $rst;
    }

    /**
     *  用户 user_access_token
     */
    public function userAccessToken($code = "", $redirect_uri = "")
    {
        $this->options["headers"] = [
            "Content-Type"  => "application/json; charset=utf-8"
        ];
        $this->options["json"] = [
            "grant_type"    => "authorization_code",
            "client_id"     => $this->appId,
            "client_secret" => $this->appSecret,
            "code"          => $code,
            "redirect_uri"  => $redirect_uri
        ];
        return $this->requestResult('authen/v2/oauth/token');
    }

    /**
     *  用户信息
     */
    public function userInfo($userAccessToken = "")
    {
        $this->options["headers"] = [
            "Authorization" => "Bearer " . $userAccessToken,
            "Content-Type"  => "application/json; charset=utf-8"
        ];
        return $this->requestResult('authen/v1/user_info', "GET");
    }

    // public function user_access_token($code = "")
    // {
    //     $url = "";
    //     $this->options["headers"] = [
    //         "Authorization" => "Bearer ".$this->tenantAccessToken(),
    //         "Content-Type"  => "application/json; charset=utf-8"
    //     ];
    //     $this->options["json"] = [
    //         "grant_type"    => "authorization_code",
    //         "code"          => $code
    //     ];
    //     $this->options["form_params"] = [
    //         "app_id"        => $this->app_id,
    //         "app_secret"    => $this->app_secret
    //     ];
    //     return $this->requestResult($url);
    // }

    /**
     * 获取 JSAPI 配置（签名）
     * @param string $url 当前页面完整 URL（不包含 # 后面的内容）
     * @return array
     */
    public function getJsApiConfig($url)
    {
        // 1. 获取 tenant_access_token
        //$accessToken = $this->getTenantAccessToken();
        $accessToken = $this->tenantAccessToken();

        // 2. 获取 jsapi_ticket
        $ticket = $this->getJsapiTicket($accessToken);

        // 3. 生成签名参数
        $timestamp = (int) round(microtime(true) * 1000);
        $nonceStr = $this->generateNonceStr();

        // 4. 生成签名
        $signature = $this->generateSignature($ticket, $nonceStr, $timestamp, $url);

        return [
            'appId' => $this->appId,
            'timestamp' => $timestamp,
            'nonceStr' => $nonceStr,
            'signature' => $signature,
            'url' => $url
        ];
    }

    /**
     * 获取 jsapi_ticket
     * @param string $accessToken
     * @return string
     */
    private function getJsapiTicket($accessToken)
    {
        // 检查缓存
        $cachedTicket = Cache::get($this->abbr.'-feishu:jsapi_ticket');
//        $cachedTicket = $this->getCachedData('feishu:jsapi_ticket');
        if ($cachedTicket) {
            return $cachedTicket;
        }

        // 使用 requestResult 方法发起请求，而不是 httpGet
        $this->options["headers"] = [
            "Authorization" => "Bearer " . $accessToken,
            "Content-Type"  => "application/json; charset=utf-8"
        ];

        $result = $this->requestResult('jssdk/ticket/get', 'GET');

        if (!$result) {
            throw new BusinessException('获取 jsapi_ticket 失败: ' . $this->error());
        }

        $ticket = $result['data']['ticket'];
        $expire = $result['data']['expire_in'] - 300; // 提前5分钟过期

        // 缓存 ticket
        Cache::set($this->abbr.'-feishu:jsapi_ticket', $ticket, $expire);
//        $this->setCachedData('feishu:jsapi_ticket', $ticket, $expire);

        return $ticket;
    }

    /**
     * 生成签名
     * @param string $ticket
     * @param string $nonceStr
     * @param int $timestamp
     * @param string $url
     * @return string
     */
    private function generateSignature($ticket, $nonceStr, $timestamp, $url)
    {
        // 拼接待签名字符串（注意顺序）
        $signStr = "jsapi_ticket={$ticket}&noncestr={$nonceStr}&timestamp={$timestamp}&url={$url}";

        return sha1($signStr);
    }

    /**
     * 生成随机字符串
     * @param int $length
     * @return string
     */
    private function generateNonceStr($length = 16)
    {
        $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
        $str = '';
        for ($i = 0; $i < $length; $i++) {
            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
        }
        return $str;
    }
}