<?php
// +----------------------------------------------------------------------
// | LARAVEL8.0 框架 [ LARAVEL ][ RXThinkCMF ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 LARAVEL研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: laravel开发员 <laravel.qq.com>
// +----------------------------------------------------------------------

namespace App\Services;

use AlibabaCloud\SDK\Dm\V20151123\Models\SingleSendMailRequest;
use AlibabaCloud\Tea\Exception\TeaError;
use AlibabaCloud\Tea\Exception\TeaUnableRetryError;
use AlibabaCloud\SDK\Dysmsapi\V20170525\Dysmsapi;
use Darabonba\OpenApi\Models\Config;
use AlibabaCloud\SDK\Dysmsapi\V20170525\Models\SendSmsRequest;
use AlibabaCloud\Tea\Utils\Utils\RuntimeOptions;
use Illuminate\Support\Facades\Mail;

/**
 * 邮件服务管理-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * Class EmailService
 * @package App\Services
 */
class EmailService extends BaseService
{
    // 静态对象
    protected static $instance = null;
    /**
     * 配置参数
     * @var array
     */
    protected $config = [];
    private $errors = [
        'isv.BUSINESS_LIMIT_CONTROL'=> '验证码获取频繁，请5分钟后重试~',
    ];

    public function __construct(){
        $config = ConfigService::make()->getConfigByGroup(2);
        $mail = config('mail');
        $mailKey = md5(json_encode($mail));
        $mail['default'] = isset($config['mail_mailer']['value']) && $config['mail_mailer']['value'] ? $config['mail_mailer']['value'] : $mail['default'];
        $mail['markdown']['paths'] = [resource_path('views/vendor/mail')];
        $smtp = isset($mail['mailers']['smtp']) ? $mail['mailers']['smtp'] : [];
        $smtp['host'] = isset($config['mail_host']['value']) && $config['mail_host']['value'] ? $config['mail_host']['value'] : $smtp['host'];
        $smtp['port'] = isset($config['mail_port']['value']) && $config['mail_port']['value'] ? $config['mail_port']['value'] : $smtp['port'];
        $smtp['username'] = isset($config['mail_username']['value']) && $config['mail_username']['value'] ? $config['mail_username']['value'] : $smtp['host'];
        $smtp['password'] = isset($config['mail_password']['value']) && $config['mail_password']['value'] ? $config['mail_password']['value'] : $smtp['password'];
        $smtp['timeout'] = isset($config['mail_timeout']['value']) && $config['mail_timeout']['value'] ? $config['mail_timeout']['value'] : $smtp['timeout'];
        $smtp['encryption'] = isset($config['mail_source']['value']) && $config['mail_source']['value'] ? $config['mail_source']['value'] : $smtp['encryption'];
        $smtp['timeout'] = 10;
        if ($mail['default'] != 'smtp') {
            return false;
        }


        $mail['mailers']['smtp'] = $smtp;
        $mail['from']['address'] = $smtp['username'];
        $mail['from']['name'] = ConfigService::make()->getConfigByCode('app_name','星链社区');
        $this->config = array_merge($config, $smtp);
        if ($mailKey != md5(json_encode($mail))) {
            file_put_contents(base_path() . '/config/mail.php', "<?php \n /* 邮箱服务配置 */ \n return " . var_export($mail, true) . ';' . "\n ?>");
        }
        return true;
    }

    /**
     * 静态入口
     * @return SmsService|static|null
     */
    public static function make(){
        if(!self::$instance){
            self::$instance = new static();
        }

        return self::$instance;
    }

    /**
     * @param $accessKeyId
     * @param $accessKeySecret
     * @return mixed
     */
    public function createClient($accessKeyId, $accessKeySecret, $endpoint){
        $config = new Config([
            // 必填，您的 AccessKey ID
            "accessKeyId" => $accessKeyId,
            // 必填，您的 AccessKey Secret
            "accessKeySecret" => $accessKeySecret
        ]);
        // 访问的域名
        $config->endpoint = $endpoint;
        return new Dysmsapi($config);
    }


    public function send($email, $scene='login')
    {
        $cacheKey = "caches:email:{$email}:{$scene}";
        if(RedisService::get($cacheKey.'_lock')){
            $this->error = 2011;
            return false;
        }

        if (empty($email)){
            $this->error = 2014;
            return false;
        }

        try{
            $appName = ConfigService::make()->getConfigByCode('app_name','星链社区');
            $title = isset($this->config['mail_title_' . $scene]['value']) && $this->config['mail_title_' . $scene]['value'] ? $this->config['mail_title_' . $scene]['value'] : "星链注册邮箱验证码";
            $template = isset($this->config['mail_template_' . $scene]['value']) && $this->config['mail_template_' . $scene]['value'] ? $this->config['mail_template_' . $scene]['value'] : "您的验证码是：{code}，10分钟有效期，请勿泄漏给他人！！！";
            $template = $template.'\n\n'.$appName;

            // 生成验证码
            $code = rand(1000, 9999);
            $template = str_replace('\n', "<br/>", $template);
            $template = str_replace('{code}', "<span class='code'>{$code}</span>", $template);
            $template = htmlspecialchars_decode($template);

            //
            $appLogo = get_image_url(ConfigService::make()->getConfigByCode('app_logo','/logo.png'));
            RedisService::set($cacheKey.'_lock', ['email'=> $email, 'code'=> $code, 'date'=> date('Y-m-d H:i:s')], rand(5, 10));
            Mail::send('emails.index',['title'=> $title,'template'=> $template,'logo'=>$appLogo,'app_name'=>$appName], function($mail) use($email, $title){
                $mail->from($this->config['username'],'星链社区'); // 发送者
                $mail->subject($title);  // 标题
                $mail->to($email);  // 接受者
            });
            $error = Mail::failures();
            if (!$error) {
                RedisService::set($cacheKey, ['email'=> $email, 'code'=> $code, 'date'=> date('Y-m-d H:i:s')], 600);
                return true;
            }

            return false;
        } catch (\Exception $exception){
            $this->error = $exception->getMessage();
            return false;
        }
    }

    /**
     * 发送阿里云邮件
     * @param $email
     * @param string $scene
     * @return bool
     */
    public function aliSend($email, $scene='login')
    {
        $cacheKey = "caches:email:{$email}:ali_{$scene}";
        if(RedisService::get($cacheKey.'_lock')){
            $this->error = 2011;
            return false;
        }

        if (empty($email)){
            $this->error = 2014;
            return false;
        }

        $config = ConfigService::make()->getConfigOptionByGroup(3);
        $accessKey = isset($config['ali_email_access_key'])? trim($config['ali_email_access_key']) : '';
        $accessSecret = isset($config['ali_email_access_secret'])? trim($config['ali_email_access_secret']) : '';
        $accountName = isset($config['mail_username'])? trim($config['mail_username']) : '';
        $endpoint = isset($config['ali_email_endpoint'])? trim($config['ali_email_endpoint']) : '';
        if(empty($accessKey) || empty($accessSecret) || empty($templateCode) || empty($smsAccountName) || empty($endpoint)){
            $this->error = 2019;
            return false;
        }

        $title = isset($this->config['mail_title_' . $scene]['value']) && $this->config['mail_title_' . $scene]['value'] ? $this->config['mail_title_' . $scene]['value'] : "星链注册邮箱验证码";
        $template = isset($this->config['mail_template_' . $scene]['value']) && $this->config['mail_template_' . $scene]['value'] ? $this->config['mail_template_' . $scene]['value'] : "您的验证码是：{code}，10分钟有效期，请勿泄漏给他人！！！";

        // 生成验证码
        $code = rand(1000, 9999);
        $template = str_replace('{code}', $code, $template);

        $client = $this->createClient($accessKey, $accessSecret, $endpoint);
        $params = [
            "templateName" => $templateCode,
            "accountName" => $accountName,
            "addressType" => 1,
            "replyToAddress" => false,
            "toAddress" => $email,
            "subject" => $title,
            "htmlBody" => $template,
        ];
        $singleSendMailRequest = new SingleSendMailRequest($params);

        $runtime = new RuntimeOptions([]);
        try {
            $client->singleSendMailWithOptions($singleSendMailRequest, $runtime);
            $this->error = 2020;
            return true;
        }catch (\Exception $exception) {
            RedisService::set($cacheKey.'_error', ['params'=> $params, 'error'=> $exception->getMessage()], 3600);
            $this->error = 2021;
            return false;
        }
    }

    /**
     * 短信验证码验证
     * @param string $email 邮箱地址
     * @param string $code 当前验证码
     * @param string $type 验证码场景类型，login-登录，reg-注册
     * @return bool
     */
    public function check($email, $code, $type='login')
    {
        if($code == '1100'){
            return true;
        }

        $cacheKey = "caches:email:{$email}:{$type}";
        $data = RedisService::get($cacheKey);
        $smsCode = isset($data['code'])? $data['code'] : '';
        if(empty($data) || empty($smsCode)){
            $this->error = '2012';
            return false;
        }

        if($smsCode != $code){
            $this->error = '2013';
            return false;
        }

        return true;
    }

    /**
     * 短信验证码验证
     * @param string $email 邮箱地址
     * @param string $code 当前验证码
     * @param string $type 验证码场景类型，login-登录，reg-注册
     * @return bool
     */
    public function checkAli($email, $code, $type='login')
    {
        if($code == '1100'){
            return true;
        }

        $cacheKey = "caches:email:{$email}:ali_{$type}";
        $data = RedisService::get($cacheKey);
        $smsCode = isset($data['code'])? $data['code'] : '';
        if(empty($data) || empty($smsCode)){
            $this->error = '2012';
            return false;
        }

        if($smsCode != $code){
            $this->error = '2013';
            return false;
        }

        return true;
    }
}