<?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{

    /**
     * Constructor.
     *
     * Retrieves the data and initializes the variables.
     * 
     * @param int $code HTTP Error code. Optional, default 500.
     * @param string $messages HTTP Error message. Optional, default null.
     */
    public function __construct($code = null, $message = null){
        parent::__construct();
        $this->set_public(true);
        $this->set_view("error.php");
        $this->set_title("Error");
        $this->set_canonical("");
        $this->add_css("error.css");

        if (null == $code || intval($code) < 200 || intval($code) > 599){
            $this->set_code(500);
        }
        else{
            $this->set_code($code);
        }
        if (null != $message){
            $this->set_message($message);
        }
        else{
            switch(intval($this->get_code())){
                case 400:
                    $this->set_message("Invalid request");
                    break;
                case 404:
                    $this->set_message("Not found");
                    break;
                case 500:
                    $this->set_message("Server error");
                    break;
                default:
                    $this->set_message("Unknown error");
            }
        }
        $this->set_description("Error " . $this->get_code() . ": " . $this->get_message());
    }

}