<?php
/**
 * Error page file.
 *
 * Provides a class with all the properties and methods to display the page.
 *
 * @author Iñigo Valentin <i@inigovalentin.com>
 * @license https://www.gnu.org/licenses/gpl-3.0.en.html GNU General Public License V3
 * @package SWDB
 */

require_once(PATH::PAGE . "Page.php");

/**
 * Error page model.
 *
 * @category Page
 */
class Error_Page extends Page{

    /**
     * @var int Error code.
     */
    private $code = 500;
    
    /**
     * @var string Error description.
     */
    private $message = "";

    /**
     * Constructor.
     *
     * Retrieves the data and initializes the variables.
     * 
     * @param int $code HTTP Error code. Optional, default 500.
     */
    public function __construct($code = null){
        $this->view = PATH::VIEW . "error.php";
        $this->title = "Error - SWDB";

        if (null == $code || intval($code) < 200 || intval($code) > 599){
            $code = 500;
        }
        switch(intval($code)){
            case 400:
                $this->message = "Invalid request";
                break;
            case 404:
                $this->message = "Not found";
                break;
            case 500:
                $this->message = "Server error";
                break;
            default:
                $this->message = "Unknown error";
        }
        $this->code = intval($code);
    }

    /**
     * Retrieves the error code.
     *
     * @return int HTTP error code
     */
    public function get_code(){
        return $this->code;
    }
    
    /**
     * Retrieves the error description.
     *
     * @return int HTTP error description.
     */
    public function get_message(){
        return $this->message;
    }

}