<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Nm_auth
{
	var $email;
	var $password;
	var $message;
	private $_logged_in = FALSE;

	function __construct()
	{
		$this->_CI =& get_instance();
		$this->_CI->load->library('session');
		$this->_CI->load->model('auth');
    	$this->_CI->config->load('NM_auth');
		log_message('debug', "NMauth Class Initialized");

		if($this->_CI->session->userdata('email')){
			$this->_logged_in = TRUE;
		}
	}

	function check_email($email)
	{
		$query = $this->_CI->db->get_where("users", array ('LOWER(email)'=>strtolower($email)));
		if($query->num_rows() == 1){
			return TRUE;
		}
		return FALSE;
	}

	function check_user($email, $password)
	{
		$query = $this->_CI->db->get_where("users", array ('LOWER(email)'=>strtolower($email)));
		if($query->num_rows() == 1){
			if(md5($password) == $query->row()->password) {
				return TRUE;
			} else {
				return FALSE;
			}
		}
	}

	function is_logged_in()
	{
		return $this->_logged_in ? TRUE : FALSE;
	}

	function redirect_logged_in()
	{
		if ($this->is_logged_in() != FALSE)
		{
			$this->_CI->session->set_flashdata('error', 'You are already logged in.');
			redirect((($this->_CI->session->userdata('last-page') == '/login') || ($this->_CI->session->userdata('last-page') == '/register')) ? '' : $this->_CI->session->userdata('last-page'));
		}
	}

	function redirect_back($message)
	{
		if ($this->is_logged_in() != FALSE)
		{
			$this->_CI->session->set_flashdata('info', $message);
			redirect(($this->_CI->session->userdata('last-page') != 'login') && ($this->_CI->session->userdata('last-page') != 'register') ? $this->_CI->session->userdata('last-page') : '');
		}
	}

	function get_user_data($email)
	{
		$this->_CI->db->select('users.*, profiles.*');
		$this->_CI->db->join('profiles', 'profiles.user_id = users.id', 'left');
		$this->_CI->db->group_by('users.id');
		$this->_CI->db->where('LOWER(users.email)', strtolower($email));
		$query = $this->_CI->db->get('users');
		return $query->row();
	}

    function login($email, $password)
    {
		if($this->check_user($email, $password))
		{
	        $user = $this->get_user_data($email);
			if($user->is_active == '1')
			{
    	    	$session_data = array (
	        		'email'=>$user->email,
	        		'user_id'=>$user->user_id
					);
	        	if($user->level == '1') {
	    	        $session_data['admin'] = 'TRUE';
		        }
				if($user->level == '2') {
					$session_data['cust'] = 'TRUE';
				}
	        	$this->_CI->session->set_userdata($session_data);
    	    	$this->_CI->db->where('id', $user->user_id);
	        	$this->_CI->db->set('last_active', date('Y-m-d H:i:s'));
	        	if($this->_CI->db->update('users')){
		        	$this->_logged_in = TRUE;
		        	return TRUE;
	        	}
	        }
		} else {
			$this->_logged_in = FALSE;
			return FALSE;
		}
    }

    function logout($email)
    {
    	$user = $this->get_user_data($email);
    	$data['last_active'] = date("Y-m-d H:i:s");
		$this->_CI->db->where('id', $this->_CI->session->userdata('user_id'));
		if($this->_CI->db->update('users', $data)){
    	    $unset_params = array('regenerated'=>'', 'last-page'=>'logout', 'email'=>'', 'user_id'=>'', 'admin'=>'FALSE', 'cust'=>'FALSE');
			$this->_CI->session->unset_userdata($unset_params);
			$this->_logged_in = FALSE;
        	return TRUE;
		}
		return FALSE;
    }

	function register($reg_data){
		if(is_array($reg_data)){
			$data = array(
				'email' => $reg_data['email'],
				'password' => md5($reg_data['password']),
				'level' => '2',
				'is_active' => '1'
			);

			if($this->_CI->db->insert('users', $data)){
				$this->_CI->email->from(EMAIL_FROM, SITE_NAME.' Management');
				$this->_CI->email->to($reg_data['email']);

				$this->_CI->email->subject('Your New Account Registration Confirmation');

				$msg = "Thanks for registering at ".SITE_NAME."! Your account details are below.\r\n\r\n";
				$msg .= "Email Address: ".$reg_data['email']."\r\nPassword: ".$reg_data['password']."\r\n\r\n";
				$msg .= "You may login at ".base_url().'login'." anytime to update your profile and place new orders.\r\n\r\n";
				$msg .= "Once again, thank you for registering at ".SITE_NAME."! We look forward to serving your needs.\r\n\r\n -- ".SITE_NAME." Management\r\n";

				$this->_CI->email->message($msg);

				$this->_CI->email->send();

				$data = array();
				$data = array(
					'user_id' => $this->_CI->db->insert_id(),
					'name' => $reg_data['name'],
					'phone' => $reg_data['phone'],
					'cell' => $reg_data['cell'],
					'receive_newsletters' => $reg_data['receive_newsletters'],
					'company_name' => $reg_data['company_name'],
					'company_id' => $reg_data['company_id'],
					'company_comment' => $reg_data['company_comment'],
					'b_address' => $reg_data['b_address'],
					'b_address2' => $reg_data['b_address2'],
					'b_postcode' => $reg_data['b_postcode'],
					'b_postarea' => $reg_data['b_postarea']
				);

				$data['which_address'] = $reg_data['which_address'] == '1' ? $reg_data['which_address'] : '2';

				if($data['which_address'] == '1'){
					$data['s_address'] = $reg_data['b_address'];
					$data['s_address2'] = $reg_data['b_address2'];
					$data['s_postcode'] = $reg_data['b_postcode'];
					$data['s_postarea'] = $reg_data['b_postarea'];
				}

				return $this->_CI->db->insert('profiles', $data) ? TRUE : FALSE;
			}
		}
		return FALSE;
	}

}
/* End of Nm_auth.php */