<?php
namespace App\Helpers;

use App\Models\Module;

class CurrentTemplate
{
    protected static $template;
    protected static $initialized = false;

    /**
     * Getter for currently set template
     *
     * @return Module
     */
    public static function get()
    {
        if (!self::$initialized) {
            self::$template = Module::where('is_template', true)
                                    ->where('enabled', true)
                                    ->first();

            if (self::$template) {
                self::$template->module_settings = json_decode(self::$template->module_settings);
            }

            self::$initialized = true;
        }

        return self::$template;
    }

    /**
     * Shortcut for getting template handler
     *
     * @return string
     * @throws \ErrorException
     */
    public static function handler()
    {
        $template = self::get();

        if (!$template) {
            throw new \ErrorException('No template selected, no handler available!');
        }

        return $template->handler;
    }

    /**
     * Reset currently set template and load another one on next call of get() method.
     */
    public static function reset()
    {
        self::$initialized = false;
    }
}