<?php

	class User {

		private $_db,
				$_data,
				$_sessionName,
				$_isLoggedIn;

		public function __construct($user = null) {
	        $this->_db = DB::getInstance();
	        $this->_sessionName = Config::get('session/session_name');

	        // Checking is user signed in

	        if(!$user) {
	            if(Session::exists($this->_sessionName)) {
	                $user = Session::get($this->_sessionName);

	                if($this->find($user)) {
	                    $this->_isLoggedIn = true;
	                } else {
	                    //Logout
	                }
	            }
	        } else {
	            $this->find($user);
	        }
    	}

    	public function create($fields = array()) {

        	if(!$this->_db->insert('users', $fields)) {
            	throw new Exception('Sorry, there was a problem creating your account!');
        	}
    	}

    	public function find($user = null) {

	        if($user) {
	            $field = (is_numeric($user)) ? 'id' : 'email';
	            $data = $this->_db->get('users', array($field, '=', $user));

	            if($data->count()) {
	                $this->_data = $data->first();
	                return true;
	            }
	        }
	        return false;
	    }

	    public function login($email = null, $password = null) {

	    	$user = $this->find($email);

	    	if($user) {
	    		if($this->data()->password === Hash::make($password)) {
	    			Session::put($this->_sessionName, $this->data()->id);
	    			return true;
	    		}
	    	}
	    	return false;
	    }

	    public function logout() {

	    	Session::delete($this->_sessionName);
	    }

	    public function data() {

	    	return $this->_data;
	    }

	    public function isLoggedIn() {

	    	return $this->_isLoggedIn;
	    }
	}