<?php

/*
 * 与邮件操作相关的方法的封装
 */

require BASE_PATH . '/extension/PHPMailer/src/Exception.php';
require BASE_PATH . '/extension/PHPMailer/src/PHPMailer.php';
require BASE_PATH . '/extension/PHPMailer/src/SMTP.php';

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;
use PHPMailer\PHPMailer\Exception;

class Mail extends Controller {
    /*
     * 注意事项：
     * 1、所有的控制器都要继承基类控制器：Controller
     * 2、基类控制器中包含：数据库连接对象、守护进程通信对象、视图层对象、公共函数等，继承后可以直接使用基类的变量和对象
     * 
     * 用法：
     * 1、使用父类的变量：$this->xxx
     * 2、使用父类的成员函数：parent::yyy()
     * 3、使用父类的非成员函数，直接用即可：zzz() 
     * 4、
     */

    private $Mail;
    private $Config;

    function __construct() {
        /*
         * 避免子类的构造函数覆盖父类的构造函数
         */
        parent::__construct();

        /*
         * 其它自定义操作
         */
        // 实例化并传递 true 将启用异常
        $this->Mail = new PHPMailer(true);
        $this->Mail->setLanguage('zh_cn', BASE_PATH . '/extension/PHPMailer/language/'); //加载错误消息翻译包

        $this->Config = new Config();
    }

    //用户操作触发邮件发送机制
    function SendMail($send_title, $send_content, $receive_roleid, $receive_userid) {
        //参数有问题
        if (empty($receive_roleid)) {
            return;
        }
        //系统未开启邮件服务
        if ($this->Config->Get("ALL_MAIL_STATUS") == "0") {
            return;
        }
        //未添加邮件服务
        $result = $this->database_medoo->select("mail", ["protocol_type", "mail_host", "mail_port", "mail_ssl_port", "mail_user", "mail_password", "send_mail", "single_mail_status"]);
        if (empty($result)) {
            return;
        }
        //添加的邮件服务未启用
        if ($result[0]["single_mail_status"] != "1") {
            return;
        }
        //邮件服务器选项
        $port = $result[0]["mail_port"];
        $host = $result[0]["mail_host"];
        $username = $result[0]["mail_user"];
        $password = $result[0]["mail_password"];
        $from = $result[0]["send_mail"];
        $to = array();
        //根据roleid获取用户邮件
        $result = $this->database_medoo->select("user", ["email"], ["roleid" => $receive_roleid]);
        foreach ($result as $key => $value) {
            if ($this->CheckMail($value["email"])) {
                array_push($to, $value["email"]);
            }
        }
        //根据userid获取用户邮件
        if ($receive_userid != "") {
            $result = $this->database_medoo->select("user", ["email"], ["id" => $receive_userid]);
            if ($this->CheckMail($result[0]['email'])) {
                array_push($to, $result[0]['email']);
            }
        }
        //邮件去重
        $to = array_unique($to);
        //设置选项
        try {
            //服务器配置 
            $this->Mail->SMTPDebug = SMTP::DEBUG_OFF; // 关闭debug模式
            $this->Mail->isSMTP(); // 使用 SMTP
            $this->Mail->Host = $host; // SMTP服务器
            $this->Mail->SMTPAuth = true; // 允许 SMTP 认证 
            $this->Mail->Username = $username; // SMTP 用户名
            $this->Mail->Password = $password; // SMTP 密码
            $this->Mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS; // 允许tls协议 
            $this->Mail->Port = $port; // TCP 端口
            //接收设置
            $this->Mail->setFrom($from, '发送方：SvnAdmin'); //发件人
            foreach ($to as $key => $value) {
                $this->Mail->addAddress($value); //收件人 名字可选 可添加多个收件人 
            }
            $this->Mail->addReplyTo($from, '发送方：SvnAdmin'); //回复的时候回复给哪个邮箱 名字可选 建议和发件人一致 
//            $this->Mail->addCC('cc@example.com'); //抄送
//            $this->Mail->addBCC('bcc@example.com'); //密送
            //发送附件
//            $this->Mail->addAttachment('/var/tmp/file.tar.gz'); // Add attachments
//            $this->Mail->addAttachment('/tmp/image.jpg', 'new.jpg'); // Optional name
            //内容设置
            $this->Mail->isHTML(false); // 是否以HTML文档格式发送  发送后客户端可直接显示对应HTML内容 
            $this->Mail->Subject = $send_title;
            $this->Mail->Body = $send_content;
//            $this->Mail->AltBody = '如果邮件客户端不支持HTML则显示此内容';
            $this->Mail->send();
        } catch (Exception $e) {
//            echo "邮件发送失败: {$mail->ErrorInfo}";
        }
    }

    //发送测试邮件
    function SendTestMail($requestPayload) {
        $host = trim($requestPayload['host']);
        $port = trim($requestPayload['port']);
        $username = trim($requestPayload['username']);
        $password = trim($requestPayload['password']);
        $from = trim($requestPayload['from']);
        $to = trim($requestPayload['to']);

        if (empty($host) || empty($port) || empty($username) || empty($password) || empty($from) || empty($to)) {
            $data['status'] = 0;
            $data['message'] = '参数不完整';
            return $data;
        }

        //设置选项
        try {
            //服务器配置 
            $this->Mail->SMTPDebug = SMTP::DEBUG_OFF; // 关闭debug模式
            $this->Mail->isSMTP(); // 使用 SMTP
            $this->Mail->Host = $host; // SMTP服务器
            $this->Mail->SMTPAuth = true; // 允许 SMTP 认证 
            $this->Mail->Username = $username; // SMTP 用户名
            $this->Mail->Password = $password; // SMTP 密码
            $this->Mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS; // 允许tls协议 
            $this->Mail->Port = $port; // TCP 端口
            //接收设置
            $this->Mail->setFrom($from, '发送方：SvnAdmin'); //发件人
            $this->Mail->addAddress($to); //收件人 名字可选 可添加多个收件人 
            $this->Mail->addReplyTo($from, '发送方：SvnAdmin'); //回复的时候回复给哪个邮箱 名字可选 建议和发件人一致 
//            $this->Mail->addCC('cc@example.com'); //抄送
//            $this->Mail->addBCC('bcc@example.com'); //密送
            //发送附件
//            $this->Mail->addAttachment('/var/tmp/file.tar.gz'); // Add attachments
//            $this->Mail->addAttachment('/tmp/image.jpg', 'new.jpg'); // Optional name
            //内容设置
            $this->Mail->isHTML(false); // 是否以HTML文档格式发送  发送后客户端可直接显示对应HTML内容 
            $this->Mail->Subject = 'Svn Admin系统测试邮件';
            $this->Mail->Body = '尊敬的用户，您好！此邮件为Svn Admin系统的测试邮件，当您收到此邮件，代表您的邮件服务器已经配置正确。';
//            $this->Mail->AltBody = '如果邮件客户端不支持HTML则显示此内容';
            $this->Mail->send();
            $data['status'] = 1;
            $data['message'] = '发送成功';
            return $data;
        } catch (Exception $e) {
            $data['status'] = 0;
            $data['message'] = '发送失败 ' . $this->Mail->ErrorInfo;
            return $data;
        }
    }

    //保存邮件设置
    function SetMailInfo($requestPayload) {
        $host = trim($requestPayload['host']);
        $port = trim($requestPayload['port']);
        $username = trim($requestPayload['username']);
        $password = trim($requestPayload['password']);
        $from = trim($requestPayload['from']);

        $this->database_medoo->query("truncate table mail");
        $this->database_medoo->insert("mail", [
            "protocol_type" => "SMTP",
            "mail_host" => $host,
            "mail_port" => $port,
            "mail_ssl_port" => "",
            "mail_user" => $username,
            "mail_password" => $password,
            "send_mail" => $from,
            "single_mail_status" => 1,
            "add_time" => date("Y-m-d-H-i-s"),
            "ps" => ""
        ]);
        $data['status'] = 1;
        $data['message'] = '保存成功';
        return $data;
    }

    //获取邮件配置
    function GetMailInfo($requestPayload) {
        $result = $this->database_medoo->select("mail", ["protocol_type", "mail_host", "mail_port", "mail_ssl_port", "mail_user", "mail_password", "send_mail", "single_mail_status", "add_time", "ps"]);
        $data = array(
            "protocol_type" => $result[0]["protocol_type"],
            "smtp_host" => $result[0]["mail_host"],
            "smtp_port" => (int) $result[0]["mail_port"],
            "mail_ssl_port" => (int) $result[0]["mail_ssl_port"],
            "smtp_user" => $result[0]["mail_user"],
            "smtp_password" => $result[0]["mail_password"],
            "smtp_send_email" => $result[0]["send_mail"],
            "single_mail_status" => (int) $result[0]["single_mail_status"],
            "add_time" => $result[0]["add_time"],
            "ps" => $result[0]["ps"]
        );
        $data['status'] = 1;
        $data['data'] = $data;
        $data['message'] = '获取邮件配置成功';
        return $data;
    }

    //邮箱检查
    private function CheckMail($mail) {
        $pattern = "/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,})$/";
        preg_match($pattern, $mail, $matches);
        $flag = false;
        if (!empty($matches)) {
            $flag = true;
        }
        return $flag;
    }

}