<?php
  
if ( ! function_exists('getMediaUrl'))
{
    /**
        Generates thumb filename and url
    */
    
    function getMediaUrl($fileName = false, $fileNameSize = '')
    {
        
        if (!$fileName) {
            return "";
        } 
        if ($fileNameSize) { 
            $path = Config::get('path.frontend.thumbs');
            return $path . '/' . getFileNameSize($fileName, $fileNameSize);
        } else {
            $path = Config::get('path.frontend.media');
            return $path . '/' . $fileName;
        }
    }
}

if ( ! function_exists('getFileNameSize'))
{
    function getFileNameSize($fileName = '', $sizeName = '')
    {
        if(empty($fileName))
            return "";
        
        $pos = strrpos($fileName,".");
        if(!empty($sizeName)){
            if($pos === FALSE){
                return "${fileName}_{$sizeName}";
            }else{
                return substr($fileName,0,$pos) . "_" . $sizeName . substr($fileName,$pos);
            }
        }else{
            return $fileName;
        }
    }
}

if ( ! function_exists('getMediaByID'))
{
    /**
    Generates thumb filename and url by ID
     */

    function getMediaByID($mediaID = '', $fileNameSize = '')
    {
        $filename = '';

        $mediaItem = MediaItem::find($mediaID);
        if(!empty($mediaItem->filename) && $mediaItem->filename != '') {
            $filename = getMediaUrl($mediaItem->filename, $fileNameSize);
        }

        return $filename;
    }
}