<?php
namespace Westdc\Visual;

class VariableEncoder
{
	
	function __construct()
	{
	}
	
	public function __invoke($json)
	{
		$this->decode($json);
	}
	
	public function encode($vars)
	{
		$arr = [];
		foreach($vars as $k=>$v)
		{
			$names = explode("|",$v);
			$arr[] = [ 'dataset' => $names[0], 'subdataset' => $names[1],'seriename' => $names[2]];
		}
		return json_encode($arr);
	}
	
	public function decode($json)
	{
		$arr = json_decode($json,true);
		//var_dump($arr);
		$data = [];
		foreach($arr as $k=>$v)
		{
			$data[$k] = join("|",$v);
		}
		return $data;
	}
	
	public function normaldecode($json)
	{
		return json_decode($json,true);
	}
	
}