<?php

namespace Firebear\ImportExport\Block\Adminhtml\Dropbox;

use Magento\Backend\Block\Template\Context;
use Magento\Config\Block\System\Config\Form\Field;
use Magento\Framework\Data\Form\Element\AbstractElement;
use Firebear\ImportExport\Model\Source\Type\Dropbox;

class Signin extends Field
{
    /**
     * @var Dropbox
     */
    protected $dropbox;

    /**
     * Signin constructor.
     * @param Context $context
     * @param Dropbox $dropbox
     * @param array $data
     */
    public function __construct(
        Context $context,
        Dropbox $dropbox,
        array $data = []
    ) {
        parent::__construct($context, $data);
        $this->dropbox = $dropbox;
    }

    /**
     * @var string
     */
    protected $_template = 'Firebear_ImportExport::import/dropbox/signin.phtml';

    /**
     * Render
     *
     * @param AbstractElement $element
     * @return string
     */
    public function render(AbstractElement $element)
    {
        $element->unsScope()->unsCanUseWebsiteValue()->unsCanUseDefaultValue();
        return parent::render($element);
    }

    /**
     * Get ElementHtml
     *
     * @param AbstractElement $element
     * @return string
     */
    protected function _getElementHtml(AbstractElement $element)
    {
        return $this->_toHtml();
    }

    /**
     * Get AuthUrl
     *
     * @return string
     */
    public function getAuthUrl()
    {
        $appKey = $this->dropbox->getClientId();
        $redirectUrl = $this->dropbox->getRedirectUri();
        $authorizeUrl = $this->dropbox::DROPBOX_AUTHORIZE_URL;
        return
            "$authorizeUrl?client_id=$appKey"
            ."&redirect_uri=$redirectUrl&token_access_type=offline&response_type=code";
    }

    /**
     * Get ButtonHtml
     *
     * @return string
     * @throws \Magento\Framework\Exception\LocalizedException
     */
    public function getButtonHtml()
    {
        $button = $this->getLayout()->createBlock(
            \Magento\Backend\Block\Widget\Button::class
        )->setData(
            [
                'id' => 'dropbox-signin',
                'label' => __('SignIn Dropbox'),
            ]
        );

        return $button->toHtml();
    }
}