<?php
/// CRIMSON --- A simple PHP framework.
/// Copyright © 2024 Freya Murphy <contact@freyacat.org>
///
/// This file is part of CRIMSON.
///
/// CRIMSON is free software; you can redistribute it and/or modify it
/// under the terms of the GNU General Public License as published by
/// the Free Software Foundation; either version 3 of the License, or (at
/// your option) any later version.
///
/// CRIMSON is distributed in the hope that it will be useful, but
/// WITHOUT ANY WARRANTY; without even the implied warranty of
/// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
/// GNU General Public License for more details.
///
/// You should have received a copy of the GNU General Public License
/// along with CRIMSON. If not, see <http://www.gnu.org/licenses/>.

abstract class Controller extends Base {

	// used by lib meta
	public array $CRIMSON_data = array();

	/**
	 * Default index for a app, empty
	 */
	public function index(): void {}

	/**
	 * Lodas a view
	 */
	protected function view(string $CRIMSON_name, array $data = array()): void
	{
		$CRIMSON_path = WEB_ROOT . '/_views/' . $CRIMSON_name . '.php';
		$this->CRIMSON_data = $data;

		if (!is_file($CRIMSON_path)) {
			CRIMSON_ERROR("View '{$CRIMSON_name}' does not exist!");
			return;
		}

		extract($this->CRIMSON_data);
		require($CRIMSON_path);
	}

	/**
	 * Redirectes to a link
	 */
	protected function redirect(string $link): never
	{
		header('Location: '. $link, true, 301);
		CRIMSON_DIE();
	}

	/**
	 * Loads a erorr page with a given
	 * error code
	 */
	protected function error(int $code): never
	{
		// does not return
		ROUTER->handle_error($code);
	}

}