<?php

/**
 * This is the add-action, it will display a form to create a new user
 *
 * @package		backend
 * @subpackage	users
 *
 * @author		Tijs Verkoyen <tijs@netlash.com>
 * @author		Davy Hellemans <davy@netlash.com>
 * @since		2.0
 */
class BackendUsersAdd extends BackendBaseActionAdd
{
	/**
	 * Execute the action
	 *
	 * @return	void
	 */
	public function execute()
	{
		// call parent, this will probably add some general CSS/JS or other required files
		parent::execute();

		// load the form
		$this->loadForm();

		// validate the form
		$this->validateForm();

		// parse the datagrid
		$this->parse();

		// display the page
		$this->display();
	}


	/**
	 * Load the form
	 *
	 * @return	void
	 */
	private function loadForm()
	{
		// create form
		$this->frm = new BackendForm('add');

		$groups = BackendUsersModel::getGroups();
		$groupIds = array_keys($groups);
		$defaultGroupId = BackendModel::getModuleSetting('users', 'default_group', $groupIds[0]);

		// create elements
		$this->frm->addText('email', null, 255);
		$this->frm->addPassword('password', null, 75, 'inputText inputPassword passwordGenerator', 'inputTextError inputPasswordError passwordGenerator');
		$this->frm->addPassword('confirm_password', null, 75);
		$this->frm->addText('nickname', null, 24);
		$this->frm->addText('name', null, 255);
		$this->frm->addText('surname', null, 255);
		$this->frm->addDropdown('interface_language', BackendLanguage::getInterfaceLanguages());
		$this->frm->addDropdown('date_format', BackendUsersModel::getDateFormats(), BackendAuthentication::getUser()->getSetting('date_format'));
		$this->frm->addDropdown('time_format', BackendUsersModel::getTimeFormats(), BackendAuthentication::getUser()->getSetting('time_format'));
		$this->frm->addDropdown('number_format', BackendUsersModel::getNumberFormats(), BackendAuthentication::getUser()->getSetting('number_format', 'dot_nothing'));
		$this->frm->addImage('avatar');
		$this->frm->addCheckbox('active', true);
		$this->frm->addCheckbox('api_access', false);
		$this->frm->addDropdown('group', $groups, $defaultGroupId);

		// disable autocomplete
		$this->frm->getField('password')->setAttributes(array('autocomplete' => 'off'));
		$this->frm->getField('confirm_password')->setAttributes(array('autocomplete' => 'off'));
	}


	/**
	 * Validate the form
	 *
	 * @return	void
	 */
	private function validateForm()
	{
		// is the form submitted?
		if($this->frm->isSubmitted())
		{
			// cleanup the submitted fields, ignore fields that were added by hackers
			$this->frm->cleanupFields();

			// email is present
			if($this->frm->getField('email')->isFilled(BL::err('EmailIsRequired')))
			{
				// is this an email-address
				if($this->frm->getField('email')->isEmail(BL::err('EmailIsInvalid')))
				{
					// was this emailaddress deleted before
					if(BackendUsersModel::emailDeletedBefore($this->frm->getField('email')->getValue())) $this->frm->getField('email')->addError(sprintf(BL::err('EmailWasDeletedBefore'), BackendModel::createURLForAction('undo_delete', null, null, array('email' => $this->frm->getField('email')->getValue()))));

					else
					{
						// email already exists
						if(BackendUsersModel::existsEmail($this->frm->getField('email')->getValue())) $this->frm->getField('email')->addError(BL::err('EmailAlreadyExists'));
					}
				}
			}

			// required fields
			$this->frm->getField('password')->isFilled(BL::err('PasswordIsRequired'));
			$this->frm->getField('nickname')->isFilled(BL::err('NicknameIsRequired'));
			$this->frm->getField('name')->isFilled(BL::err('NameIsRequired'));
			$this->frm->getField('surname')->isFilled(BL::err('SurnameIsRequired'));
			$this->frm->getField('interface_language')->isFilled(BL::err('FieldIsRequired'));
			$this->frm->getField('date_format')->isFilled(BL::err('FieldIsRequired'));
			$this->frm->getField('time_format')->isFilled(BL::err('FieldIsRequired'));
			$this->frm->getField('number_format')->isFilled(BL::err('FieldIsRequired'));
			if($this->frm->getField('password')->isFilled())
			{
				if($this->frm->getField('password')->getValue() !== $this->frm->getField('confirm_password')->getValue()) $this->frm->getField('confirm_password')->addError(BL::err('ValuesDontMatch'));
			}

			// validate avatar
			if($this->frm->getField('avatar')->isFilled())
			{
				// correct extension
				if($this->frm->getField('avatar')->isAllowedExtension(array('jpg', 'jpeg', 'gif', 'png'), BL::err('JPGGIFAndPNGOnly')))
				{
					// correct mimetype?
					$this->frm->getField('avatar')->isAllowedMimeType(array('image/gif', 'image/jpg', 'image/jpeg', 'image/png'), BL::err('JPGGIFAndPNGOnly'));
				}
			}

			// no errors?
			if($this->frm->isCorrect())
			{
				// build settings-array
				$settings['nickname'] = $this->frm->getField('nickname')->getValue();
				$settings['name'] = $this->frm->getField('name')->getValue();
				$settings['surname'] = $this->frm->getField('surname')->getValue();
				$settings['interface_language'] = $this->frm->getField('interface_language')->getValue();
				$settings['date_format'] = $this->frm->getField('date_format')->getValue();
				$settings['time_format'] = $this->frm->getField('time_format')->getValue();
				$settings['datetime_format'] = $settings['date_format'] . ' ' . $settings['time_format'];
				$settings['number_format'] = $this->frm->getField('number_format')->getValue();
				$settings['password_key'] = uniqid();
				$settings['avatar'] = 'no-avatar.gif';
				$settings['api_access'] = (bool) $this->frm->getField('api_access')->getChecked();

				// build user-array
				$user['email'] = $this->frm->getField('email')->getValue();
				$user['password'] = BackendAuthentication::getEncryptedString($this->frm->getField('password')->getValue(true), $settings['password_key']);
				$user['group_id'] = $this->frm->getField('group')->getValue();

				// save changes
				$user['id'] = (int) BackendUsersModel::insert($user, $settings);

				// has the user submitted an avatar?
				if($this->frm->getField('avatar')->isFilled())
				{
					// create new filename
					$filename = rand(0,3) . '_' . $user['id'] . '.' . $this->frm->getField('avatar')->getExtension();

					// add into settings to update
					$settings['avatar'] = $filename;

					// resize (128x128)
					$this->frm->getField('avatar')->createThumbnail(FRONTEND_FILES_PATH . '/backend_users/avatars/128x128/' . $filename, 128, 128, true, false, 100);

					// resize (64x64)
					$this->frm->getField('avatar')->createThumbnail(FRONTEND_FILES_PATH . '/backend_users/avatars/64x64/' . $filename, 64, 64, true, false, 100);

					// resize (32x32)
					$this->frm->getField('avatar')->createThumbnail(FRONTEND_FILES_PATH . '/backend_users/avatars/32x32/' . $filename, 32, 32, true, false, 100);
				}

				// update settings (in this case the avatar)
				BackendUsersModel::update($user, $settings);

				// everything is saved, so redirect to the overview
				$this->redirect(BackendModel::createURLForAction('index') . '&report=added&var=' . $settings['nickname'] . '&highlight=row-' . $user['id']);
			}
		}
	}
}

?>