<?php

    class RFPACreateException extends Exception { }

    class RFPACreate {
	
	static public function getForm() {
	    
	    if(!isset($_SESSION['rfpastep'])) {
		
		$_SESSION['rfpastep'] = 1;
		
	    }
	    
	    $f = '././view/templates/default/Applications/rfpa/create/step'. $_SESSION['rfpastep'] .'.php';
	    
	    if(file_exists($f)) {
		
		return $f;
		
	    } else {
		
		throw new RFPACreateException('Unable to load file: '. $f);
	    }
	    
	}
	
	static public function submit( $data ) {
	    
	    $m = 'validate'.$_SESSION['rfpastep'];
	    
	    if(self::$m( $data )) {
		
		$_SESSION['rfpastep']++;
		return true;
		
	    } else {
		
		return false;
		
	    }
	    
	}
	
	static public function getNumberSteps() {
	    
	    $f = '././view/templates/default/Applications/rfpa/create';
	    
	    $files = scandir($f);
	    
	    $num = count($files);
	    
	    //remove the types.php, ., .. from the count
	    $num = $num - 3;
	    
	    return $num;
	    
	}
	
	static private function validate1( $data ) {
	    
	    if( strlen($data['form_name']) < 3 ) {
		self::addError('name','Must be 3 characters');
	    } else if( strlen($data['form_name']) > 15 ) {
		self::addError('name','Can not exceed 15 characters');
	    } else {
		self::removeError('name');
	    }
	    
	    if( $data['form_type'] == '' ) {
		self::addError('purpose','You must select a form purpose.');
	    } else {
		self::removeError('name');
	    }
	    
	    
	}
	
	static private function validate2( $data ) {
	    
	    return false;
	    
	}
	
	static private function addError($item, $error) {
	    
	    $_SESSION['errors'][$item] = $error;
	    
	}
	
	static private function removeError($item) {
	    
	    unset($_SESSION['errors'][$item]);
	    
	}
	
    }

?>