<?php
namespace Sookon\Mail;

use Sookon\Helpers\dbh;
use Sookon\Helpers\Pdo;
use Sookon\Helpers\Config;
use Sookon\Helpers\Table;
use Zend\Mail\Message;
use Zend\Mail\Transport\Smtp as SmtpTransport;
use Zend\Mail\Transport\SmtpOptions;

class Mail
{
	private $db;				//传入PDO对象.
	private $config;			//站点设置
	private $email_cfg;
	
	protected $events = NULL;
	
	private $tbl_mailTemplate;
	
	public $mail;				//邮件
	public $subject;
	public $body;
	public $type;
	public $transport;
		
	function __construct($mail = NULL)
	{
		$this->db = new Pdo;
		$this->config = Config::get();
		$this->table = new Table();
		
		$this->tbl_mailTemplate = $this->table->email_template;
		$this->conf = new \stdClass();
		
		$this->loadconf();
		$this->smtp();
		
		if(empty($mail))
		{
			$this->mail = new Message();
		}else{
			$this->mail = $mail;
		}
		
		$this->mail->setEncoding("UTF-8");
	}
	
	private function loadconf()
	{
		$email_cfg = Config::get('email');
		$this->email_cfg = $email_cfg->config;
	}
	
	private function smtp()
	{
		$this->transport = new SmtpTransport();
		
		$options   = new SmtpOptions(array(
			'name'              => $this->email_cfg->hostname,
			'host'              => $this->email_cfg->host,
			'port'              => $this->email_cfg->port, // Notice port change for TLS is 587
			'connection_class'  => $this->email_cfg->auth,
			'connection_config' => array(
				'username' => $this->email_cfg->username,
				'password' => $this->email_cfg->password,
				'ssl'      => $this->email_cfg->ssl,
			),
		));
		
		$this->transport->setOptions($options);
	}
	
	//设置默认发件人
	public function setDefaultForm()
	{
		$this->mail->setFrom($this->email_cfg->username,$this->email_cfg->name);
	}
	
	//加载模板
	public function loadTemplate($id,$data){
		if(is_numeric($id))
		{
			$sql = "SELECT * FROM {$this->tbl_mailTemplate} WHERE id='".$id."'";
		}else{
			$sql = "SELECT * FROM {$this->tbl_mailTemplate} WHERE \"template\"='".$id."'";
		}
		
		$rs = $this->db->query($sql);
		
		$row = $rs->fetch();
		
		$subject = $row['subject'];
		$body = $row['body'];
		
		if(count($data) > 0)
		{
			$patterns = array();
			$replacements = array();
			foreach($data as $k=>$v)
			{
				$patterns[]='/{'.$k.'}/i';
				$replacements[]=$v;
			}
			ksort($patterns);
			ksort($replacements);
			$body = preg_replace($patterns, $replacements, $body);
			$subject = preg_replace($patterns, $replacements, $subject);
		}//count($this->data)
		
		$this->subject = $subject;
		$this->body = $body;
		if(isset($row['type']))
			$this->type = $row['type'];
		
	}//加载模板
	
	public function addTo($email,$name)
	{
		$this->mail->addTo($email,$name);
	}
	
	//使用loadTemplate 的结果发送邮件
	//在此之前需要使用 $this->mail->addTo()添加收件人
	public function send($from = NULL){
		if(empty($this->subject) || empty($this->body))
		{
			return "邮件信息不完整";
		}
		
		if($this->type == 'html')
		{
			$bodyPart = new \Zend\Mime\Message();

			$bodyMessage = new \Zend\Mime\Part($this->body);
			$bodyMessage->type = 'text/html';
		
			$bodyPart->setParts(array($bodyMessage));
		
			$this->mail->setBody($bodyPart);
		}else{
			$this->mail->setBody($this->body);
		}
		
		if(empty($from))
		{
			$this->setDefaultForm();
		}else{
			$this->mail->setFrom($from['email'],$from['name']);
		}
		
		$this->mail->setSubject($this->subject);
		
		$this->transport->send($this->mail);
		
	}
	

}