<?php

/**
 * Subclass for representing a row from the 'mailbox' table.
 *
 * 
 *
 * @package lib.model
 */ 
class Mailbox extends BaseMailbox
{
	protected $imap = null;

	public function __construct()
	{
		// set defaults
		$this->setMaxQuota(sfConfig::get('app_domain_default_mailbox_quota'));
		$this->setMaxAddressCount(sfConfig::get('app_mailbox_max_address_count'));
	}

	public function getImapName()
	{
		return "user.".$this->getName();
	}

	public function getExistsOnImapServer()
	{
		$this->requireIMAPAdminConnection();
		$exists = $this->imap->getlist($this->getImapName(), '%');
		if(is_array($exists) && (count($exists)!=0))
		{
			return true;
		}
		return false;
	}

	protected function requireIMAPAdminConnection()
	{
		if(!$this->imap)
			$this->imap = IMAPManager::getAdminConnection();
	}

	protected $quota = null;
	protected function updateIMAPQuota()
	{
		$this->requireIMAPAdminConnection();
		$quota = $this->imap->getquota("user.".$this->getName());
		if($quota)
			$this->quota = $quota;
	}

	public function getQuota()
	{
		if($this->quota == null)
			$this->updateIMAPQuota();

		return $this->quota;
	}

	public function save($con = null)
	{
		// create or update resources on IMAP server
		if($this->isNew())
		{
			$this->requireIMAPAdminConnection();

			// mailbox
			$this->imap->create($this->getImapName());

			// acl
			$this->imap->setacl($this->getImapName(), IMAPManager::getAdminUsername(), $this->imap->getAvailableACL());

			// quota
			$this->imap->setquota($this->getImapName(), $this->getMaxQuota());

			// default folders

		}
		else // update
		{
			// mailbox name changed?
			if($this->isColumnModified(MailboxPeer::NAME))
			{
				$this->requireIMAPAdminConnection();
				
				$oldmailbox = MailboxPeer::retrieveByPk($this->getId());
				if($oldmailbox->getName() != $this->getName())
				{
					// requires "allowusermoves: 1" in /etc/imapd.conf
					// mailbox
					$this->imap->rename($oldmailbox->getImapName(), $this->getImapName());
				}
			}
			
			// quota changed?
			if($this->isColumnModified(MailboxPeer::MAX_QUOTA))
			{
				$this->requireIMAPAdminConnection();
				
				$this->imap->setquota($this->getImapName(), $this->getMaxQuota());
			}
		}

		return parent::save($con);
	}

	public function delete($con = null)
	{
		// remove resources on IMAP server
		if(!$this->isNew())
		{
			$this->requireIMAPAdminConnection();
			
			// grant all rights to admin to be able to delete mailbox
			$this->imap->setacl($this->getImapName(), IMAPManager::getAdminUsername(), $this->imap->getAvailableACL());

			// mailbox
			$this->imap->delete($this->getImapName());
		}

		return parent::delete($con);
	}

	// TODO: extract password logic into own library
	public function isPasswordEqual($password)
	{
		// check crypt type
		$server_settings = sfConfig::get('app_server_default');
		$crypt_type = $server_settings['pam']['crypt'];
		
		switch($crypt_type)
		{
			case 0: // plain
			return ($password == $this->getPassword());
			case 1: // crypt
			return (crypt($password, substr($this->getPassword(), 0, 2)) == $this->getPassword());
			case 2: // md5
			return (md5($password) == $this->getPassword());
			case 3: // sha1
			return (sha1($password) == $this->getPassword());
			break;
		}

		return false;
	}

	public function setPassword($password)
	{
		if($password=='')
			return false;
		// check crypt type
		$server_settings = sfConfig::get('app_server_default');
		$crypt_type = $server_settings['pam']['crypt'];

		switch($crypt_type)
		{
			case 0: // plain
			break;
			case 1: // crypt
			$password = crypt($password, substr($password, 0, 8));
			break;
			case 2: // md5
			$password = md5($password);
			break;
			case 3: // sha1
			$password = sha1($password);
			break;
		}
		
		return parent::setPassword($password);
	}

	public function setNewPassword($password)
	{
		return $this->setPassword($password);
	}

	public function getAddressCount()
	{
		return $this->countAddresss();
	}

	public function __toString()
	{
		return $this->getName();
	}
}