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<?php

/**
 * Class for loading miscellaneous WordPress AJAX listeners inside of the Admin.
 * @package     InboundPro
 * @subpackage  AdminAJAX
 */
class Inbound_Pro_Admin_Ajax_Listeners {

    /**
     *    Initializes class
     */
    public function __construct() {
        self::load_hooks();
    }

    /**
     *    Loads hooks and filters
     */
    public static function load_hooks() {

        /* Adds listener to save meta filter position */
        add_action('wp_ajax_inbound_update_download_filter_preferences', array(__CLASS__, 'update_download_filter_preferences'));

        /* Adds listener validate inbound now api key*/
        add_action('wp_ajax_inbound_validate_api_key', array(__CLASS__, 'validate_api_key'));

    }

    /**
     *    Saves meta pair values give cta ID, meta key, and meta value
     */
    public static function update_download_filter_preferences() {
        global $wpdb;

        if (!isset($_POST)) {
            return;
        }
        $memory = Inbound_Options_API::get_option('inbound-pro', 'memory', array());

        $memory['meta_filter'] = $_POST['meta_filter'];

        Inbound_Options_API::update_option('inbound-pro', 'memory', $memory);

        header('HTTP/1.1 200 OK');
        exit;
    }

    /**
     * Validate API Key
     */
    public static function validate_api_key() {
        global $inbound_settings;

        if (!trim($_REQUEST['api_key'])) {
            echo "{\"error\":\"missing-api-key\",\"message\":\"You must specify an API key to access this endpoint!\"}";
            exit;
        }

        /* get customer data */
        $customer = Inbound_Options_API::get_option('inbound-pro', 'customer', array());
        $cache = get_transient('inbound_api_key_cache');
        $clear_cache = (isset($_REQUEST['clear_cache'])) ? $_REQUEST['clear_cache'] : false;

        /* if there is no change in the api get then return the data on record */
        if (
            ( trim($_REQUEST['api_key']) == $inbound_settings['api-key']['api-key'] )
            &&
            $cache
            &&
            !$clear_cache

        ) {
            echo json_encode($cache);
            exit;
        }

        /* update api key if changed */
        $inbound_settings['api-key']['api-key'] = trim($_REQUEST['api_key']);
        Inbound_Options_API::update_option('inbound-pro', 'settings', $inbound_settings);

        /* look up api key to see what permissions it has */
        $response = wp_remote_post(Inbound_API_Wrapper::get_api_url() . 'key/check', array(
            'body' => array(
                'api-key' => trim($_REQUEST['api_key']),
                'site' => $_REQUEST['site']
            ),
            'timeout' => 5
        ));

        if (is_wp_error($response)) {
            echo json_encode($response);
            exit;
        }

        /* decode json response */
        $decoded = json_decode($response['body'], true);

        /* check for 403 errors */
        if (strstr($response['body'], '403 Forbidden')) {
            echo "{\"error\":\"403\",\"message\":\"403 error. The connection is being blocked by a server security setting. Please contact your host for further assistance!\"}";
            exit;
        }

        if (isset($decoded['customer'])) {
            $customer['is_pro'] = self::get_highest_price_id($decoded['customer']);
            Inbound_Options_API::update_option('inbound-pro', 'customer', $decoded['customer']);
            update_option('inbound_activate_pro_components', true);
            set_transient('inbound_api_key_cache', $decoded,  WEEK_IN_SECONDS); /* cache the good results for one day */
        } else {
            /* If There's No Connection Error Then Set Customer to Free */
            if ($decoded){
                $customer['is_pro'] = 9;
                Inbound_Options_API::update_option('inbound-pro', 'customer', $customer);
            }
            delete_transient('inbound_api_key_cache');
        }

        echo wp_remote_retrieve_body($response);
        exit;
    }

    public static function get_highest_price_id($customer) {
        $price_id = $customer['is_pro'];

        if (isset($customer['payments']) && $customer['payments']) {
            foreach ($customer['payments'] as $payment_id => $payment) {

                foreach ($payment as $k => $download) {

                    if ($download['id'] != '119326') {
                        continue;
                    }

                    if ($download['options']['price_id'] > $price_id) {
                        $price_id = $download['options']['price_id'];
                    }
                }
            }
        }

        return $price_id;
    }

}

/* Loads Inbound_Pro_Admin_Ajax_Listeners pre init */
$Inbound_Pro_Admin_Ajax_Listeners = new Inbound_Pro_Admin_Ajax_Listeners();