<?php

namespace bff\extend\extension\settings;

/**
 * Lazy init Form
 * @copyright Tamaranga
 */
class InvokeForm
{
    protected $form = null;

    protected $options;

    /** @var \bff\extend\Extension */
    protected $extension;

    public function __construct($extension, array $options)
    {
        $this->extension = $extension;
        $this->options = $options;
    }

    /**
     * @return Form
     */
    public function form()
    {
        if ($this->form) {
            return $this->form;
        }
        $o = $this->options;

        $form = new Form($o['id'], $this->extension);
        $form->init();
        if (! empty($o['name'])) {
            $form->name($o['name']);
        }

        if (isset($o['init'])) {
            call_user_func($o['init'], $form);
        }
        $this->form = $form;

        $this->extension->appendConfigSettings($o['id']);

        return $this->form;
    }

    public function __invoke()
    {
        return $this->form();
    }

    public function __call($name, array $arguments)
    {
        $form = $this->form();
        if (is_object($form)) {
            if (method_exists($form, $name) || $form::hasMacro($name)) {
                return call_user_func_array([$form, $name], $arguments);
            }
        }

        return null;
    }

}