<?php

namespace AlexLcDee\RegistryContainer;


class Registry implements RegistryInterface
{
    /**
     * @var CategoriesContainer
     */
    private static $container;

    public static function init($typesMap)
    {
        if (static::$container !== null) {
            throw new RegistryException('Registry must be initialized once');
        }
        static::$container = new CategoriesContainer();
        foreach ($typesMap as $category => $type) {
            static::$container->set($category, $type);
        }
    }

    /**
     * @param string $category
     * @param RegistrableItem $item
     * @throws RegistryException
     */
    public static function add($category, RegistrableItem $item)
    {
        if (!static::$container->contains($category)) {
            throw new RegistryException(strtr('Registry does not contain category "{category}"', [
                '{category}' => $category
            ]));
        }
        static::$container->get($category)->add($item);
    }

    /**
     * @param string $category
     * @return ItemsContainer
     * @throws RegistryException
     */
    public static function get($category)
    {
        if (!static::$container->contains($category)) {
            throw new RegistryException(strtr('Registry does not contain category "{category}"', [
                '{category}' => $category
            ]));
        }
        return static::$container->get($category);
    }
}