<?php

namespace App\Twitter\Admin;

use Qs_ViewController;

/**
 * @package App\Twitter
 * @method \App\Twitter\Admin\Obj _getDataObj()
 */
class View extends Qs_ViewController
{
    protected $_actions = ['authenticate', 'oAuthCallback', 'clearAuth'];

    public static function getAuthUrl()
    {
        if (($url = View::getPage('url'))) {
            $url .= '?' . http_build_query(['action' => 'authenticate']);
        }
        return $url;
    }

    public static function getOAuthCallbackUrl()
    {
        if (($url = View::getPage('url'))) {
            $url .= '?' . http_build_query(['action' => 'oAuthCallback']);
        }
        return $url;
    }

    public static function getClearAuthUrl()
    {
        if (($url = View::getPage('url'))) {
            $url .= '?' . http_build_query(['action' => 'clearAuth']);
        }
        return $url;
    }

    protected function _doAuthenticate()
    {
        $this->_getDataObj()->setAuthCallbackUrl(static::getOAuthCallbackUrl());

        if (($backUrl = \Qs_Array::get($_SERVER, 'HTTP_REFERER'))) {
            $this->_setBackUrl($backUrl);
        }

        if (false == $this->_getDataObj()->authRequest()) {
            if (($errors = $this->_getDataObj()->getErrors())) {
                $this->_setBackErrors($errors);
            } else {
                $this->_setBackError('Failed to make twitter authenticate request');
            }
            $this->_doBack();
        }
        exit;
    }

    protected function _doOAuthCallback()
    {
        if (false == $this->_getDataObj()->completeAuthRequest(\Qs_Request::getGet())) {
            if (($errors = $this->_getDataObj()->getErrors())) {
                $this->_setBackErrors($errors);
            } else {
                $this->_setBackError('Failed to complete authenticate request');
            }
        }
        $this->_doBack();
        exit;
    }

    protected function _doClearAuth()
    {
        if (($backUrl = \Qs_Array::get($_SERVER, 'HTTP_REFERER'))) {
            $this->_setBackUrl($backUrl);
        }

        $this->_getDataObj()->clearAccessToken();
        $this->_getDataObj()->deleteCache();
        $this->_doBack();
        exit;
    }
}