<?php

namespace Tools;

/**
 * Allow user to manage hooks
**/
class Hooks
{
    /**
     * @var \Tools\Context $context
     * /core/tools/Context.php
     * Contains website's informations
    **/
    private $context;

    /**
     * ctor. Initialize context for having them passed to hook as parameter
    **/
    public function __construct($context)
    {
        $this->context = $context;
    }

    /**
     * @param \Tool\AModule $module
     * @param string $hookname
     * Attach module $module to $hookName
     * Can only be called while installing the module.
     * When fired, the AModule::doAction($hookName, $context) function will be called.
    **/
    public function register($module, $hookName)
    {
        if (!\Tools\ModuleManager::isInstalling())
            throw new \Exception("You can only register hooks while installing");
        //TODO@2
    }

    /**
     * @param string $hookName
     * fire the hook hookName
     * call the AModule::doAction($hookName, $context) function for each attached modules
    **/
    public function trigger($hookName)
    {
        echo "Triggering hook `{$hookName}'";
        //TODO@2
    }

    /**
     * @param array(\Entity\ModuleHook) $module_hookEntities entities to load
     * Reload hooks from entities
    **/
    public function loadHooks($hookEntities)
    {
    }
}