<?php
namespace App\Helpers;

use Symfony\Component\Process\Exception\InvalidArgumentException;

class Template
{
    /**
     * Getter for real template name
     *
     * @param $template
     *
     * @return null|string
     */
    public static function name($template)
    {
        $namespace = null;
        if (strpos($template, '::')) {
            list($namespace, $template) = explode('::', $template);
            $namespace .= '::';
        }

        $theme = config('app.theme');

        // list of prefixes
        $prefixes = [$theme . '.custom.', $theme . '.', ''];

        $view = null;
        foreach ($prefixes as $prefix) {
            if (view()->exists($namespace . 'visitor.' . $prefix . $template)) {
                $view = $namespace . 'visitor.' . $prefix . $template;
                break;
            }
        }

        if (is_null($view)) {
            throw new InvalidArgumentException('Cannot find template for ' . $namespace . $template);
        }

        return $view;
    }
}