glhd/aire

<?php

namespace Galahad\Aire\Elements;

use Galahad\Aire\Aire;
use Galahad\Aire\Contracts\HasJsonValue;
use Illuminate\Support\HtmlString;
use Illuminate\Support\Str;

class Checkbox extends Input implements HasJsonValue
{
    public $name = 'checkbox';
    
    protected $default_attributes = [
        'type' => 'checkbox',
        'value' => true,
    ];
    
    protected $view_data = [
        'label_text' => '',
    ];
    
    /**
     * Checkboxes shouldn't bind data—they use the "checked" attribute instead
     *
     * @var bool
     */
    protected $bind_value = false;
    
    public function __construct(Aire $aire, Form $form = null)
    {
        parent::__construct($aire, $form);
        
        $this->attributes->label->setDefault('for', function() {
            return $this->attributes->get('id');
        });
        
        $this->attributes->setDefault('checked', function() {
            if (!$this->form->hasBoundData()) {
                return null;
            }
            
            return $this->attributes->isValue($this->form->getBoundValue($this->getInputName()));
        });
    }
    
    public function getJsonValue()
    {
        return $this->attributes->get('checked');
    }
    
    public function label($text) : self
    {
        $this->view_data['label_text'] = $text;
        
        return $this;
    }
    
    public function labelHtml($html) : self
    {
        return $this->label(new HtmlString($html));
    }
    
    public function name($value = null)
    {
        if (!isset($this->view_data['label_text'])) {
            $this->label(ucfirst(Str::snake($value, ' ')));
        }
        
        return parent::name($value);
    }
    
    public function defaultChecked(bool $default_checked = true) : self
    {
        $this->attributes->setDefault('checked', $default_checked);
        
        return $this;
    }
}