<?php

/**
 * Smarty Internal Plugin Compile extend
 * Compiles the {extends} tag.
 *
 * @author     Uwe Tews
 */

/**
 * Smarty Internal Plugin Compile extend Class.
 */
class Smarty_Compiler_Extends_Parent extends Smarty_Internal_Compile_Extends
{
    public function getAttributes($compiler, $attributes)
    {
        return [
            'file' => $this->getParent($compiler, $attributes),
        ];
    }

    protected function getParent(object $compiler, array $attributes)
    {
        $_template = $compiler->template;
        $source = $compiler->template->source;
        $bundle = '';

        if (!$bundle) {
            if ($source->smarty->_current_file === null && $_template) {
                $filePath = $_template->source->filepath;
            } else {
                $filePath = $source->smarty->_current_file;
            }

            $directories = $source->smarty->getTemplateDir();
            foreach ($directories as $dir_bundle => $_directory) {
                if (\KupShop\KupShopBundle\Util\StringUtil::startsWith($filePath, $_directory)) {
                    $bundle = $dir_bundle;
                    break;
                }
            }

            if (!$bundle) {
                throw new \Exception('Cannot detect current bundle');
            }
        }

        $current_file = preg_replace('/\[(.*)\]/i', '', $_template->source->name);

        $directories = $source->smarty->getTemplateDir();

        $found = false;
        foreach ($directories as $dir_bundle => $_directory) {
            if (!$found) {
                if ($bundle == $dir_bundle) {
                    $found = true;
                }
            } else {
                $_filepath = $_directory.$current_file;
                // TODO: chybejici metoda fileExists
                //                if ($this->fileExists($source, $_filepath))
                if (file_exists($_filepath)) {
                    return "'[{$dir_bundle}]{$current_file}'";
                }
            }
        }

        throw new \Exception('Extended template doesn\'t found!');
    }
}