<?php
/**
 * Cached functions and flags.
 * 
 * @since 1.0.0
 * 
 * @package    ACF Stylizer
 * @subpackage Cache
 */

if (!defined('ABSPATH')) exit;

if (!class_exists('ACF_Stylizer_Cache'))
{
	/**
	 * Class used to implement cache functionality.
	 *
	 * @since 1.0.0
	 * 
	 * @uses ACF_Stylizer_Wrapper
	 */
	final class ACF_Stylizer_Cache extends ACF_Stylizer_Wrapper
	{
		/**
		 * Get a default cached item based on the provided name.
		 * 
		 * @since 1.0.0
		 * 
		 * @access protected
		 * @param  string $name Name of the cached item to return.
		 * @return string       Default cached item if it exists, otherwise an empty string.
		 */
		protected function _default($name)
		{
			switch ($name)
			{
				case 'assets_url':
				
					$folder = (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) ? 'debug' : 'release';
					
					return trailingslashit(plugins_url('/' . $folder . '/', $this->_base->_plugin));
					
				case 'manifest':
				
					ob_start();
					
					include(dirname(__FILE__) . '/../manifest.json');
					
					return json_decode(ob_get_clean(), true);
			}

			return parent::_default($name);
		}
		
		/**
		 * Obtain a path to an asset.
		 * 
		 * @since 1.0.0
		 * 
		 * @access public
		 * @param  string $path      Path to the asset folder.
		 * @param  string $file_name File name for the asset.
		 * @return string            Full path to the requested asset.
		 */
		public function asset_path($path, $file_name)
		{
			$manifest = $this->manifest;
			
			if (isset($manifest[$file_name]))
			{
				$file_name = $manifest[$file_name];
			}
			
			return trailingslashit($this->assets_url . $path) . $file_name;
		}
	}
}