<?php
namespace feedthemsocial;
/**
 * Class FTS Error Handler
 *
 * @package feedthemsocial
 */
class fts_error_handler
{
    /**
     * @var string
     */
    public $output = "";

    /**
     * Construct
     *
     * Error Handler constructor.
     *
     * @since 1.9.6
     */
    function __construct()
    {
        $this->fts_plugin_version_check();
    }

    /**
     * FTS Plugin Version Check
     *
     * Make sure plugins are Proper Version if need be.
     *
     * @return bool
     * @since 1.9.6
     */
    function fts_plugin_version_check()
    {
        // return error if no data retreived
        try {
            $update_msg = 'Please update ALL Premium Extensions for Feed Them Social because they will no longer work with this version of Feed Them Social. We have made some Major Changes to the Core of the plugin to help with plugin conflicts. Please update your extensions from your <a href="http://www.slickremix.com/my-account" target="_blank">My Account</a> page on our website if you are not receiving notifications for updates on the premium extensions. Thanks again for using our plugin!';

            $list_old_plugins = array(
                'feed-them-premium/feed-them-premium.php',
                'fts-bar/fts-bar.php',
                'feed-them-social-facebook-reviews/feed-them-social-facebook-reviews.php'
            );
            $plugins = get_plugins();
            foreach ($list_old_plugins as $single_plugin) {
                require_once(ABSPATH . '/wp-admin/includes/plugin.php');
                if (isset($plugins[$single_plugin])) {
                    $fts_versions_needed = \fts_versions_needed();
                    if ($plugins[$single_plugin]['Version'] < $fts_versions_needed[$single_plugin] && is_plugin_active($single_plugin)) {
                        //Don't Let Old Plugins Activate
                        throw new \Exception('<div class="fts-update-message fts_old_plugins_message">' . $update_msg . '</div>');
                        deactivate_plugins($single_plugin);
                    }
                }
            }
        } catch (\Exception $e) {
            add_action('admin_notices', function () use ($e) {
                echo $e->getMessage();
            });
            return true;
        }
    }

    /**
     * Facebook Error Check
     *
     * @param $FB_Shortcode
     * @param $feed_data
     * @return array
     * @since 1.9.6
     */
    function facebook_error_check($FB_Shortcode, $feed_data)
    {
        // return error if no data retreived
        try {
            if (!isset($feed_data->data) || empty($feed_data->data)) {
                //Solution Text
                $solution_text = 'Here are some possible solutions to fix the error.';
                //ID Error
                if (isset($feed_data->error) && $feed_data->error->code == 803) {
                    if (strpos($feed_data->error->message, '(#803) Cannot query users by their username') !== false || $FB_Shortcode['type'] == 'group') {
                        throw new \Exception('<div style="clear:both; padding:15px 0;">#' . $feed_data->error->code . '.2 - Cannot query users by their username. <a style="color:red !important;" href="https://www.slickremix.com/docs/facebook-error-messages/#error-803-2" target="_blank">' . $solution_text . '</a></div>');
                    } else {
                        throw new \Exception('<div style="clear:both; padding:15px 0;">#' . $feed_data->error->code . ' - Facebook cannot find this ID. <a style="color:red !important;" href="https://www.slickremix.com/docs/facebook-error-messages/#error-803" target="_blank">' . $solution_text . '</a></div>');
                    }
                } elseif (isset($feed_data->error) && ($feed_data->error->code == 341 || $feed_data->error->code == 4 || $feed_data->error->code == 17)) {
                    throw new \Exception('<div style="clear:both; padding:15px 0;">#' . $feed_data->error->code . ' - Too many calls made to Facebook. <a style="color:red !important;"href="https://www.slickremix.com/docs/facebook-error-messages/#error-rate-limiting" target="_blank">' . $solution_text . '</a></div>');
                } elseif (isset($feed_data->error) && $feed_data->error->code == 190) {
                    throw new \Exception('<div style="clear:both; padding:15px 0;">#' . $feed_data->error->code . ' - Error validating application. Invalid application ID. <a style="color:red !important;"href="https://www.slickremix.com/docs/facebook-error-messages/#error-invalid-app-id" target="_blank">' . $solution_text . '</a></div>');
                } elseif (isset($feed_data->error) && $feed_data->error->code == 104) {
                    throw new \Exception('<div style="clear:both; padding:15px 0;">#' . $feed_data->error->code . ' - An access token is required to request this resource. <a style="color:red !important;"href="https://www.slickremix.com/docs/facebook-error-messages/#error-access-token-required" target="_blank">' . $solution_text . '</a></div>');
                } elseif (isset($feed_data->error) && $feed_data->error->code == 210) {
                    throw new \Exception('<div style="clear:both; padding:15px 0;">#' . $feed_data->error->code . ' - This call requires a Page access token. <a style="color:red !important;"href="https://www.slickremix.com/docs/facebook-error-messages/#error-access-token-required" target="_blank">' . $solution_text . '</a></div>');
                } elseif (isset($feed_data->error) && $feed_data->error->code == 100) {
                    throw new \Exception('<div style="clear:both; padding:15px 0;">#' . $feed_data->error->code . ' - This Page may not be public. <a style="color:red !important;"href="http://www.slickremix.com/docs/facebook-error-messages/#error-100" target="_blank">' . $solution_text . '</a></div>');
                } elseif ($FB_Shortcode['type'] == 'group' && isset($feed_data->error) && $feed_data->error->code == 1) {
                    $solution_text = 'Please view this link for a temporary solution.';
                    throw new \Exception('<div style="clear:both; padding:15px 0;">#' . $feed_data->error->code . ' - The group feed is experiencing a known error at this time. <a style="color:red !important;"href="http://www.slickremix.com/docs/facebook-error-messages/#group-feed-error-pinned-post" target="_blank">' . $solution_text . '</a></div>');
                } //Rate Limit Exceeded
                elseif ($FB_Shortcode['type'] == 'reviews' && (empty($feed_data->data) || !isset($feed_data->data))) {
                    throw new \Exception('<div style="clear:both; padding:15px 0;">No Reviews Found or You may not have Admin Permissions for this page. <a style="color:red !important;"href="https://www.slickremix.com/docs/facebook-error-messages/#error-no-reviews" target="_blank">' . $solution_text . '</a></div>');
                } //If Custom Exception is not needed but still error then throw ugly error.
                elseif (isset($feed_data->error)) {
                    if (isset($feed_data->error->message)) $output = 'Error: ' . $feed_data->error->message;
                    if (isset($feed_data->error->type)) $output .= '<br />Type: ' . $feed_data->error->type;
                    if (isset($feed_data->error->code)) $output .= '<br />Code: ' . $feed_data->error->code;
                    if (isset($feed_data->error->error_subcode)) $output .= '<br />Subcode:' . $feed_data->error->error_subcode;
                    //If just code.
                    if (isset($feed_data->error_msg)) $output = 'Error: ' . $feed_data->error_msg;
                    if (isset($feed_data->error_code)) $output .= '<br />Code: ' . $feed_data->error_code;
                    throw new \Exception('<div style="clear:both; padding:15px 0;">' . $output . '</div>');
                }
            }
        } catch (\Exception $e) {
            return array(true, $e->getMessage());
        }
    }
}
?>