<?php
namespace ElementsKit_Lite\Libs\Template;

defined( 'ABSPATH' ) || exit;

class Transformer{

    private $prefix;

    public function render($str, $prefix){
        $str = trim($str);
        $this->prefix = $prefix;

        $fn_length = explode('(', $str);
        if(count($fn_length) == 2){
            $method = $fn_length[0]; // backward support
            
            if(method_exists($this, $method)){
                return $this->$method(rtrim($fn_length[1], ')'));
            }
            return $str;
        }


        return $this->variable($str);
    }

    private function variable($str){
        $str_var_set = explode('.', $str);
        $array_parts = '';
        foreach($str_var_set as $i => $var){
            $array_parts .= '["'. ($i > 0 ? '' : $this->prefix) . $var.'"]';
        }

        return '<?php echo isset($settings'.$array_parts.') ? $settings'.$array_parts.' : ""; ?>';
    }

    private function icon($str){
        return '<?php Icons_Manager::render_icon($settings["'.$this->prefix . trim($str).'"]); ?>';
    }
}