<?php

namespace Picea\Ui\Form;

use Picea\Ui\Common\UiElement;
use Picea\Extension\{ Extension, FunctionExtension, ExtensionTrait };

class UiInput extends UiElement implements Extension, FunctionExtension {
    use ExtensionTrait;

    public string $token = "ui:input";

    public array $attributes = [
       'class' => 'ui-input',
    ];
    
    public array $options = [
        'tag-type' => "single",
    ];

    protected mixed  $value;
    
    protected string $name;

    public function __construct(
        public string $tag = "input",
    ) {}

    public function parse(\Picea\Compiler\Context &$context, ?string $arguments, string $token, array $options = []) : string
    {
        return "<?php echo ( new \\" . static::class . "() )->buildHtml($arguments) ?>";
    }

    public function exportFunctions(): array
    {
        if ( null === $type = $this->attributes['type'] ?? null ) {
            return [];
        }

        $key = str_replace('-', '_', 'ui_'. ( $this->attributes['type'] ?? 'text' ));

        return [
            $key => fn(string $name, mixed $value = null, array $attributes = [], array $options = []) : string => $this->buildHtml($name, $value, $attributes, $options),
        ];
    }

    public function buildHtml(string $name, mixed $value = null, array $attributes = [], array $options = []) : string
    {
        $this->name = $name;
        
        if (null !== $this->value = $value) {
            $this->setValue($value);
        }
        
        if ($options) {
            $this->options += $options;
        }

        if ($attributes['class'] ?? false) {
            $attributes['class'] = implode(" ", array_merge((array) $attributes['class'], (array) $this->attributes['class']));
            unset($this->attributes['class']);
        }
        
        $this->attributes([ 'name' => $name ] + $attributes + $this->attributes + $this->objectAttribute());
        
        return $this->render();
    }

    protected function setValue($value) : void
    {
        $this->attributes['value'] = $value;
    }
    
    protected function objectAttribute() : array 
    { 
        return []; 
    }
}