<?php

namespace ThurData\Servers\KerioEmail\Core\UI\Widget\Graphs\Models;

/**
 * Description of ChartData
 *
 * @autor ThurData <info@thurdata.ch>
 */
class Data
{
    protected $labels   = [];
    /**
     * @var DataSet[] 
     */
    protected $datasets = [];
    
    public function __construct(array $labels = [], array $datasets = [])
    {
        $this->labels   = $labels;
        $this->datasets = $datasets;
    }
    
    public function addLabel($label = '')
    {
        $this->labels[] = $label;
        
        return $this;
    }
    
    public function setLabels(array $labels = [])
    {
        $this->labels = $labels;
        
        return $this;
    }
    
    public function addDataSet(DataSet $dataset)
    {
        $this->datasets[] = $dataset;
        
        return $this;
    }
    
    public function setDataSets(array $dataSets = [])
    {
        $this->datasets = $dataSets;
        
        return $this;
    }


    public function toArray()
    {
        $return = [
            'labels'   => $this->labels,
            'datasets' => []
        ];
        
        foreach ($this->datasets as $dataset)
        {
            $return['datasets'][] = $dataset->toArray();
        }
        
        return $return;
    }
}