<?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 app\Lib\smtpMail\smtp as smtpService;
use Illuminate\Mail\Mailable;
use Illuminate\Support\Facades\Mail;
use PHPMailer\PHPMailer\PHPMailer;

/**
 * 邮件管理-服务类
 * @author laravel开发员
 * @since 2020/11/11
 * Class ConfigService
 * @package App\Services
 */
class EmailService extends BaseService
{
    /**
     * 配置参数
     * @var array
     */
    protected $config = [];

    // 静态对象
    protected static $instance = null;

    /**
     * 初始化配置
     * @return bool
     */
    public function __construct()
    {
        $config = ConfigService::make()->getConfigByGroup(3);
        $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'] = 'UTC交易平台';
        $this->config = array_merge($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 static|null
     */
    public static function make()
    {
        if(!self::$instance){
            self::$instance = (new static());
        }
        return self::$instance;
    }

    /**
     * 发送邮件验证码
     * @param $email
     * @param string $scene 场景：默认reg-注册
     * @return bool
     */
    public function sendCode($email, $scene = 'reg')
    {
        try {
            $cacheKey = "stores:codes:email_{$scene}:" . md5($email);
            // 发送频繁
            if (RedisService::get($cacheKey . '_lock')) {
                $this->error = '1014';
                return false;
            }

            $title = isset($this->config['mail_title_' . $scene]['value']) && $this->config['mail_title_' . $scene]['value'] ? $this->config['mail_title_' . $scene]['value'] : "OTC168网站注册邮箱验证码";
            $template = isset($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}，5分钟有效期！！！";

            // 生成验证码
            $code = rand(100000, 999999);
            $template = str_replace('{code}', $code, $template);

            // 上锁
            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'=> $template], function($mail) use($email, $title){
                $mail->from($this->config['username'],'OTC168'); // 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')], 300);
                return true;
            }

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

    /**
     * 验证邮件验证码
     * @param $email
     * @param $code
     * @param string $scene 场景：默认reg-注册
     * @return bool
     */
    public function check($email, $code, $scene = 'reg')
    {
        $cacheKey = "stores:codes:email_{$scene}:" . md5($email);
        $codeData = RedisService::get($cacheKey);
        $checkCode = isset($codeData['code'])? $codeData['code'] : 0;
        $checkEmail = isset($codeData['email'])? $codeData['email'] : 0;

        if(empty($codeData) || empty($checkCode)){
            $this->error = 2027;
            return false;
        }

        if($checkEmail != $email || $checkCode != $code){
            $this->error = 2006;
            return false;
        }

        return true;
    }

}