class guestMVCbook
{
	public $username;
	public $message;
	public $error;
	
	function __construct()
	{
		$this->username = $this->validate($_POST['username']);
		$this->message  = $this->validate($_POST['message']);
		$this->datetime = date('Y-m-d H:i:s');
		$this->tplusr   = '{USERNAME}';
		$this->tplmsg   = '{USERCOMMENT}';
		$this->block    = '{USERCOMMENTS}';
		$this->errors   = array();
		$this->error    = false;
		
	}
	
	function validate($var)
	{
		return mysql_real_escape_string(trim($var));
	}
	
    function setErrors()
    { 
    	    if(empty($this->username))
    	    {
    		    $this->errors['username'][] = 'Поле для имени не может быть пустым';
    	    }
    	    if(empty($this->message))
    	    {
    		    $this->errors['message'][] = 'Поле для сообщения не может быть пустым';
    	    }
    	    if(mb_strlen($this->username) < 3)
    	    {
    		    $this->errors['username'][] = 'Имя должно содержать более 3 символов';
    	    } 
    	     
    }
    

    function get_Request()
    {
    	
    	$model = new Template_model();
    	
    	if(isset($_POST['Submit']))
    	{
    		$this->setErrors();
    		
    		if(!$this->errors)
    		{
    			$this->greenColour();
    		}
    	} else {
    		$model->display_standart();
    	}
    	
    }
    
    
    function process_data()
    {
    	$model = new Template_model();
    	
    	$this->get_Request();
    	    if($this->errors)
    	    {
    	    foreach($this->errors as $value => $errors);
    	       foreach($errors as $err);
    	    	  $model->display_error($value,$err);
    	    }
    }
    	    
    
    
    function greenColour()
    {
    	$query = ("INSERT INTO `guestMVC` (`username`, `tplusr`, `message`, `tplmsg`, `block`, `datetime`) VALUES (
        	     	  '".$this->username."', '".$this->tplusr."', '".$this->message."', '".$this->tplmsg."',
        		      '".$this->block."', '".$this->datetime."')") or die(mysql_error());
    	$mysql = mysql_query($query);
    	echo 'Сообщение успешно добавлено <a href="index.php?page=guest">Назад</a>';
    }	    
}

class Template_model
{
     public $html;
     public $form;
     
     
        function __construct()
        {
        	$this->html = file_get_contents('class/view/view.tpl');
        	$this->query = mysql_query("SELECT `username`, `tplusr`, `message`, `tplmsg`, `block`,`datetime` FROM `guestMVC` 
        			                    ORDER BY `datetime` DESC LIMIT ".(int)$this->now_comments.",".(int)$this->per_page."") or die(mysql_error());
        	$this->count = mysql_query("SELECT COUNT(*) as count FROM `guestMVC`") or die(mysql_error());	
        }
        
        
        function navigation()
        {

        	$count = mysql_fetch_assoc($this->count);       	 
        	$this->per_page = 7;
        	$this->now_comments = $this->p * $this->per_page;
        	$this->max_comments = round($count[count] / $this->per_page);
        	$this->p = ($_GET['p'] > $this->max_comments) ? '0' : (int)abs($_GET['p']) ;
        	if($this->p != $this->max_comments)
        	{
        		$a = '<a href="index.php?page=guest&p=' . ($this->p + 1) .'">Вперед</a>';
        	}
        	if($this->p == $this->max_comments)
        	{
        		$a = '<a>Вперед</a>';
        	}
        	if($this->p == 0)
        	{
        		$ah = '<a>Назад</a>';
        	}
        	if($this->p != 0)
        	{
        		$ah = '<a href="index.php?page=guest&p=' . ($this->p - 1) .'">Назад</a>';
        	}
        	$this->html = str_replace('{NAVIGATION}', $ah .' '. $a , $this->html);
        	
        }
        
        
        function display_standart()
        {
        	Template_model::setCurrentBlock(USERCOMMENTS);
        	
        	$this->for = preg_match_all("/(?:<div id=\"mvcform\">)(?:[\D\d]+)(?:<\/div>)/u", $this->html, $this->form);
        	$this->navigation();
        	$query = mysql_query("SELECT `username`, `tplusr`, `message`, `tplmsg`, `block`,`datetime` FROM `guestMVC`
        			                    ORDER BY `datetime` DESC LIMIT ".(int)$this->now_comments.",".(int)$this->per_page."") or die(mysql_error());
        	
        	
        	while($sql = mysql_fetch_assoc($query))
        	{
        		foreach($this->blk[1] as $ss=>$qq)
        		{
        			$this->html = str_replace($this->blk[0], ' ', $this->html);                       // Стираем блок USERCOMMENTS
        			$bb = str_replace($sql['tplusr'], $sql['username'], $qq);                         // Добавляем имена
        			$qqq = str_replace($sql['tplmsg'], $sql['message'], $bb);                         // Добавляем сообщения
        			$this->html = str_replace($this->form[0], ' ', $this->html);                      // Стираем форму
        			$this->html .=  str_replace($qq,$qqq, $qq);                                       // Выводим блок в шаблон
        			$this->html .= $this->form[0][0];                                                 // Добавляем форму в конец, после комментариев
        		}
        	}
        	echo $this->html;                                                                         // Выводим шаблон        	
        }
        
        
        function display_error($type, $err)
        {
        	
        	Template_model::setCurrentBlock(USERCOMMENTS);
        	
        	$this->for = preg_match_all("/(?:<div id=\"mvcform\">)(?:[\D\d]+)(?:<\/div>)/u", $this->html, $this->form);
        	$this->navigation();
        	$query = mysql_query("SELECT `username`, `tplusr`, `message`, `tplmsg`, `block`,`datetime` FROM `guestMVC`
        			                    ORDER BY `datetime` DESC LIMIT ".(int)$this->now_comments.",".(int)$this->per_page."") or die(mysql_error());
        	
        	while($sql = mysql_fetch_assoc($query))
        	{
        		foreach($this->blk[1] as $ss=>$qq)
        		{
        			$this->html = str_replace($this->blk[0], ' ', $this->html);                       // Стираем блок USERCOMMENTS
        			$bb = str_replace($sql['tplusr'], $sql['username'], $qq);                         // Добавляем имена
        			$qqq = str_replace($sql['tplmsg'], $sql['message'], $bb);                         // Добавляем сообщения
        			$this->html = str_replace($this->form[0], ' ', $this->html);                      // Стираем форму
        			$this->html .=  str_replace($qq,$qqq, $qq);                                       // Выводим блок в шаблон
        			$this->forma = $this->form[0][0];
        			if($type == 'username')
        			{
        			    $this->formaa = str_replace('<input type="hidden" name="usererrors">','<span style="color: red;">'. $err .'</span>', 
        			    $this->forma);                                                                
        			}
        			elseif($type == 'message')
        			{
        			    $this->formaa = str_replace('<input type="hidden" name="messageerrors">',
        			    '<span style="color: red; position: absolute; margin-top: 50px;">'. $err .'</span>', $this->forma); 
        			}
        		}
        	}                                                                           
        	$this->html .= $this->formaa;                                                             // Добавляем форму в конец, после комментариев
        	echo $this->html;                                                                         // Выводим шаблон
        }
        
        
        function setCurrentBlock($BlockName)
        {
        
        	$coun = mysql_query("SELECT COUNT(*) as count FROM `guestMVC`") or die(mysql_error());
        
        	$count = mysql_fetch_assoc($coun);
        
        	$this->blck = preg_match_all("/(?:\{$BlockName\})([\D]+)(?:\{\/$BlockName\})/u", $this->html, $this->blk);
        
        	$this->html = str_replace('{COUNTCOMMENTS}', $count['count'], $this->html); //Выводим количество записей в книге
        
        	return $this->blk;
        }
        
         
}