<?php
/**
 * Events system
 *
 * @package   MyAAC
 * @author    Slawkens <slawkens@gmail.com>
 * @copyright 2019 MyAAC
 * @link      https://my-aac.org
 */
defined('MYAAC') or die('Direct access not allowed!');

$i = 0;
define('HOOK_STARTUP', ++$i);
define('HOOK_BEFORE_PAGE', ++$i);
define('HOOK_AFTER_PAGE', ++$i);
define('HOOK_FINISH', ++$i);
define('HOOK_TIBIACOM_ARTICLE', ++$i);
define('HOOK_TIBIACOM_BORDER_3', ++$i);
define('HOOK_CHARACTERS_BEFORE_INFORMATIONS', ++$i);
define('HOOK_CHARACTERS_AFTER_INFORMATIONS', ++$i);
define('HOOK_CHARACTERS_BEFORE_SKILLS', ++$i);
define('HOOK_CHARACTERS_AFTER_SKILLS', ++$i);
define('HOOK_CHARACTERS_AFTER_QUESTS', ++$i);
define('HOOK_CHARACTERS_AFTER_EQUIPMENT', ++$i);
define('HOOK_CHARACTERS_BEFORE_DEATHS', ++$i);
define('HOOK_CHARACTERS_BEFORE_SIGNATURE', ++$i);
define('HOOK_CHARACTERS_AFTER_SIGNATURE', ++$i);
define('HOOK_CHARACTERS_AFTER_ACCOUNT', ++$i);
define('HOOK_CHARACTERS_AFTER_CHARACTERS', ++$i);
define('HOOK_LOGIN', ++$i);
define('HOOK_LOGIN_ATTEMPT', ++$i);
define('HOOK_LOGOUT', ++$i);
define('HOOK_ACCOUNT_CHANGE_PASSWORD_POST', ++$i);
define('HOOK_ACCOUNT_CREATE_BEFORE_FORM', ++$i);
define('HOOK_ACCOUNT_CREATE_BEFORE_BOXES', ++$i);
define('HOOK_ACCOUNT_CREATE_BETWEEN_BOXES_1', ++$i);
define('HOOK_ACCOUNT_CREATE_BETWEEN_BOXES_2', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_BOXES', ++$i);
define('HOOK_ACCOUNT_CREATE_BEFORE_ACCOUNT', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_ACCOUNT', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_EMAIL', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_COUNTRY', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_PASSWORD', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_PASSWORDS', ++$i);
define('HOOK_ACCOUNT_CREATE_BEFORE_CHARACTER_NAME', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_CHARACTER_NAME', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_SEX', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_VOCATION', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_TOWNS', ++$i);
define('HOOK_ACCOUNT_CREATE_BEFORE_SUBMIT_BUTTON', ++$i);
define('HOOK_ACCOUNT_CREATE_AFTER_FORM', ++$i);
define('HOOK_ACCOUNT_CREATE_POST', ++$i);
define('HOOK_ACCOUNT_LOGIN_BEFORE_PAGE', ++$i);
define('HOOK_ACCOUNT_LOGIN_BEFORE_ACCOUNT', ++$i);
define('HOOK_ACCOUNT_LOGIN_AFTER_ACCOUNT', ++$i);
define('HOOK_ACCOUNT_LOGIN_BEFORE_PASSWORD', ++$i);
define('HOOK_ACCOUNT_LOGIN_AFTER_PASSWORD', ++$i);
define('HOOK_ACCOUNT_LOGIN_AFTER_REMEMBER_ME', ++$i);
define('HOOK_ACCOUNT_LOGIN_AFTER_PAGE', ++$i);
define('HOOK_ACCOUNT_LOGIN_POST', ++$i);
define('HOOK_ADMIN_HEAD_END', ++$i);
define('HOOK_ADMIN_HEAD_START', ++$i);
define('HOOK_ADMIN_BODY_START', ++$i);
define('HOOK_ADMIN_BODY_END', ++$i);
define('HOOK_ADMIN_BEFORE_PAGE', ++$i);
define('HOOK_ADMIN_MENU', ++$i);
define('HOOK_ADMIN_LOGIN_AFTER_ACCOUNT', ++$i);
define('HOOK_ADMIN_LOGIN_AFTER_PASSWORD', ++$i);
define('HOOK_ADMIN_LOGIN_AFTER_SIGN_IN', ++$i);
define('HOOK_ADMIN_ACCOUNTS_SAVE_POST', ++$i);
define('HOOK_EMAIL_CONFIRMED', ++$i);
define('HOOK_GUILDS_BEFORE_GUILD_HEADER', ++$i);
define('HOOK_GUILDS_AFTER_GUILD_HEADER', ++$i);
define('HOOK_GUILDS_AFTER_GUILD_INFORMATION', ++$i);
define('HOOK_GUILDS_AFTER_GUILD_MEMBERS', ++$i);
define('HOOK_GUILDS_AFTER_INVITED_CHARACTERS', ++$i);

const HOOK_FIRST = HOOK_STARTUP;
define('HOOK_LAST', $i);

require_once LIBS . 'plugins.php';
class Hook
{
	private $_name, $_type, $_file;

	public function __construct($name, $type, $file) {
		$this->_name = $name;
		$this->_type = $type;
		$this->_file = $file;
	}

	public function execute($params)
	{
		global $db, $config, $template_path, $ots, $content, $twig;

		if(is_callable($this->_file))
		{
			$params['db'] = $db;
			$params['config'] = $config;
			$params['template_path'] = $template_path;
			$params['ots'] = $ots;
			$params['content'] = $content;
			$params['twig'] = $twig;

			$tmp = $this->_file;
			$ret = $tmp($params);
		}
		else {
			extract($params);

			$ret = include BASE . $this->_file;
		}

		return !isset($ret) || $ret == 1 || $ret;
	}

	public function name() {return $this->_name;}
	public function type() {return $this->_type;}
}

class Hooks
{
	private static $_hooks = array();

	public function register($hook, $type = '', $file = null) {
		if(!($hook instanceof Hook))
			$hook = new Hook($hook, $type, $file);

		self::$_hooks[$hook->type()][] = $hook;
	}

	public function trigger($type, $params = array())
	{
		$ret = true;
		if(isset(self::$_hooks[$type]))
		{
			foreach(self::$_hooks[$type] as $name => $hook) {
				/** @var $hook Hook */
				if (!$hook->execute($params)) {
					$ret = false;
				}
			}
		}

		return $ret;
	}

	public function exist($type) {
		return isset(self::$_hooks[$type]);
	}

	public function load()
	{
		foreach(Plugins::getHooks() as $hook) {
			$this->register($hook['name'], $hook['type'], $hook['file']);
		}

		Plugins::clearWarnings();
	}
}