<?php
/* 
 * SMK Font Awesome
 *
 * Get font awesome class names in an array or json format. 
 *
 */
class Smk_FontAwesome{

	/**
	 * Font Awesome
	 *
	 * @param string $path font awesome css file path
	 * @param string $class_prefix change this if the class names does not start with `fa-`
	 * @return array
	 */
	public static function getArray($path, $class_prefix = 'fa-'){

		if( ! file_exists($path) )
			return false;//if path is incorect or file does not exist, stop.

		$css = wp_remote_get($path);
		$pattern = '/\.('. $class_prefix .'(?:\w+(?:-)?)+):before\s+{\s*content:\s*"(.+)";\s+}/';

		preg_match_all($pattern, $css, $matches, PREG_SET_ORDER);
		
		$icons = array();
		foreach ($matches as $match) {
			$icons[$match[1]] = $match[2];
		}
		return $icons;

	}

	//------------------------------------//--------------------------------------//
	
	/**
	 * Sort array by key name
	 *
	 * @param array $array font awesome array. Create it using `getArray` method
	 * @return array
	 */
	public function sortByName($array){
		
		if( ! is_array($array) )
			return false;//Do not proceed if is not array

		ksort( $array );
		return $array;

	}

	//------------------------------------//--------------------------------------//
	
	/**
	 * Get only HTML class key(class) => value(class)
	 *
	 * @param array $array font awesome array. Create it using `getArray` method
	 * @return array
	 */
	public function onlyClass($array){
		
		if( ! is_array($array) )
			return false;//Do not proceed if is not array

		$temp = array();
		foreach ($array as $class => $unicode) {
			$temp[$class] = $class;
		}
		return $temp;

	}

	//------------------------------------//--------------------------------------//
	
	/**
	 * Get only the unicode key
	 *
	 * @param array $array font awesome array. Create it using `getArray` method
	 * @return array
	 */
	public function onlyUnicode($array){
		
		if( ! is_array($array) )
			return false;//Do not proceed if is not array

		$temp = array();
		foreach ($array as $class => $unicode) {
			$temp[$unicode] = $unicode;
		}
		return $temp;

	}

	//------------------------------------//--------------------------------------//
	
	/**
	 * Readable class name. Ex: fa-video-camera => Video Camera
	 *
	 * @param array $array font awesome array. Create it using `getArray` method
	 * @param string $class_prefix change this if the class names does not start with `fa-`
	 * @return array
	 */
	public function readableName($array, $class_prefix = 'fa-'){
		
		if( ! is_array($array) )
			return false;//Do not proceed if is not array

		$temp = array();
		foreach ($array as $class => $unicode) {
			$temp[$class] = ucfirst( str_ireplace(array($class_prefix, '-'), array('', ' '), $class) );
		}
		return $temp;

	}

	//------------------------------------//--------------------------------------//
	
	/**
	 * Get all icons data. Ex: fa-video-camera => array(...)
	 *
	 * @param array $array font awesome array. Create it using `getArray` method
	 * @param string $class_prefix change this if the class names does not start with `fa-`
	 * @return array
	 */
	public function allData($array, $class_prefix = 'fa-'){
		
		if( ! is_array($array) )
			return false;//Do not proceed if is not array

		$temp = array();
		foreach ($array as $class => $unicode) {
			$temp[$class] = array(
				'unicode' => $unicode,
				'name' => ucfirst( str_ireplace(array($class_prefix, '-'), array('', ' '), $class) ),
			);
		}
		return $temp;

	}

}