<?php

namespace Barn2\Plugin\Document_Library\Dependencies\Lib\Plugin\Admin;

use Barn2\Plugin\Document_Library\Dependencies\Lib\Plugin\License\License_API;
use Barn2\Plugin\Document_Library\Dependencies\Lib\Plugin\Licensed_Plugin;
use Barn2\Plugin\Document_Library\Dependencies\Lib\Registerable;
use Barn2\Plugin\Document_Library\Dependencies\Lib\Service\Core_Service;
/**
 * Handles plugin update checks for our EDD plugins.
 *
 * @package   Barn2\barn2-lib
 * @author    Barn2 Plugins <support@barn2.com>
 * @license   GPL-3.0
 * @copyright Barn2 Media Ltd
 */
class Plugin_Updater implements Registerable, Core_Service
{
    /**
     * @var Licensed_Plugin The plugin we're managing updates for.
     */
    private $plugin;
    /**
     * @var License_API The licensing API to fetch plugin updates from.
     */
    private $license_api;
    /**
     * @var string Internal key used for caching
     */
    private $cache_key = null;
    public function __construct(Licensed_Plugin $plugin, License_API $license_api)
    {
        $this->plugin = $plugin;
        $this->license_api = $license_api;
    }
    public function register()
    {
        if (\is_admin() || \defined('WP_CLI') && \WP_CLI) {
            if ($this->use_barn2_update_uri()) {
                \add_filter('update_plugins_barn2.com', [$this, 'update_plugins_barn2_com'], 10, 3);
            } else {
                \add_filter('pre_set_site_transient_update_plugins', [$this, 'check_update']);
            }
            \add_filter('plugins_api', [$this, 'get_plugin_details'], 10, 3);
            \add_action('in_plugin_update_message-' . $this->plugin->get_basename(), [$this, 'update_available_notice'], 10, 2);
            \add_filter('plugin_auto_update_setting_html', [$this, 'auto_update_setting_html'], 10, 2);
        }
    }
    /**
     * Check for Updates at the defined API endpoint and modify the update array.
     *
     * This function dives into the update API just when WordPress creates its update array,
     * then adds a custom API call and injects the custom plugin data retrieved from the API.
     * It is reassembled from parts of the native WordPress plugin update code.
     * See wp-includes/update.php line 121 for the original wp_update_plugins() function.
     *
     * @param object $transient_data Plugin update object built by WordPress.
     * @return object Modified transient data.
     */
    public function check_update($transient_data)
    {
        global $pagenow;
        if (!\is_object($transient_data)) {
            $transient_data = new \stdClass();
        }
        if ('plugins.php' == $pagenow && \is_multisite()) {
            return $transient_data;
        }
        $basename = $this->plugin->get_basename();
        // First check if plugin info already exists in the WP transient.
        if (!empty($transient_data->response) && !empty($transient_data->response[$basename])) {
            return $transient_data;
        }
        $latest_version = $this->get_latest_version();
        if (\false !== $latest_version && isset($latest_version->new_version)) {
            $update_plugin = $this->format_version_info_for_plugin_update($latest_version);
            if (\version_compare($this->plugin->get_version(), $latest_version->new_version, '<') || ($latest_version->upgradeable ?? \false)) {
                $transient_data->response[$basename] = $update_plugin;
            } else {
                $transient_data->no_update[$basename] = $update_plugin;
            }
            $transient_data->checked[$basename] = $this->plugin->get_version();
        }
        return $transient_data;
    }
    /**
     * A callback function to the `update_plugins_barn2.com` filter.
     *
     * Starting from version 5.8, WordPress allows handling plugins external to the SVN repository
     * the same way it handles those in the SVN repository. Thanks to this new method
     * it is not necessary anymore to filter the update_plugins transient.
     *
     * @param object|boolean $update_plugin Plugin update object for the current plugin.
     * @param array          $plugin_data   The associative array with the plugin properties
     * @param string         $plugin_file   The basename of the current plugin
     * @return object The modified update object with custom plugin data.
     */
    public function update_plugins_barn2_com($update_plugin, $plugin_data, $plugin_file)
    {
        if ($plugin_file !== $this->plugin->get_basename()) {
            return $update_plugin;
        }
        $latest_version = $this->get_latest_version();
        if (!$latest_version) {
            return \false;
        }
        return $this->format_version_info_for_plugin_update($latest_version);
    }
    /**
     * Determine whether the Update URI property in the plugin header can be used
     *
     * This check also verifies whether the WP version is 5.8 or later,
     * returning `false` otherwise.
     *
     * @return bool Whether WP is 5.8 or later and the Update URI is defined and contains 'barn2.com'
     */
    public function use_barn2_update_uri()
    {
        if (\version_compare(\get_bloginfo('version'), '5.8', '<')) {
            return \false;
        }
        return \false !== \strpos($this->plugin->plugin_data()->get_update_uri(), 'barn2.com');
    }
    /**
     * Updates information on the "View version x.x details" page with custom data.
     *
     * @param mixed  $data
     * @param string $action
     * @param object $args
     * @return object $data
     */
    public function get_plugin_details($data, $action = '', $args = null)
    {
        if ('plugin_information' !== $action) {
            return $data;
        }
        if (!isset($args->slug) || $args->slug !== $this->plugin->get_slug()) {
            return $data;
        }
        if (!($version_info = $this->get_latest_version())) {
            return $data;
        }
        return $this->format_version_info_for_plugin_details_modal($version_info);
    }
    public function update_available_notice($plugin_data, $response)
    {
        // Add note about license key if no automatic update available (i.e. no update package).
        if (empty($response->package)) {
            $license_page = $this->plugin->get_license_page_url();
            $settings_link_open = $license_page ? '<a href="' . \esc_url($license_page) . '">' : '';
            $settings_link_close = $license_page ? '</a>' : '';
            // phpcs:disable WordPress.Security.EscapeOutput
            \printf(' <em>%s</em>', \sprintf(
                /* translators: 1: licence key link start, 2: license key link end */
                __('Activate %1$syour license key%2$s to enable updates.', 'barn2'),
                $settings_link_open,
                $settings_link_close
            ));
            // phpcs:enable WordPress.Security.EscapeOutput
        }
    }
    /**
     * Remove unrequired properties from EDD version info when storing in the 'update_plugins' transient.
     *
     * @param object $version_info The version info from EDD
     * @return object The updated version info
     */
    private function format_version_info_for_plugin_update($version_info)
    {
        unset($version_info->name, $version_info->homepage, $version_info->stable_version, $version_info->download_link, $version_info->sections, $version_info->rating, $version_info->num_ratings, $version_info->last_updated);
        // Ensure 'version' is set as WordPress requires this.
        if (isset($version_info->new_version)) {
            $version_info->version = $version_info->new_version;
        }
        // Make sure the plugin property is set to the plugin's name/location. See issue 1463 on Software Licensing's GitHub repo.
        $version_info->plugin = $this->plugin->get_basename();
        // Add the slug property to activate the View details link in the plugin list.
        $version_info->slug = $this->plugin->get_slug();
        // Add an ID for the update details.
        $version_info->id = 'barn2-plugin-' . $this->plugin->get_id();
        // Check the license before returning.
        return $this->maybe_disable_automatic_update($version_info);
    }
    private function format_version_info_for_plugin_details_modal($version_info)
    {
        return $this->maybe_disable_automatic_update($version_info);
    }
    private function maybe_disable_automatic_update($version_info)
    {
        if (empty($version_info->package)) {
            return $version_info;
        }
        // Prevent automatic plugin update if license is invalid. Clearing the package URL will do this.
        if (!$this->plugin->get_license()->is_valid() || !\apply_filters('barn2_plugin_allow_automatic_update', \true, $this->plugin)) {
            $version_info->package = '';
        }
        return $version_info;
    }
    /**
     * Callback that filters the HTML markup of the auto-updates link.
     *
     * @param string $html        The original HTML markup
     * @param string $plugin_file The basename of the current plugin
     * @return string
     */
    function auto_update_setting_html($html, $plugin_file)
    {
        if ($plugin_file !== $this->plugin->get_basename()) {
            return $html;
        }
        if (!$this->plugin->get_license()->is_valid() || !\apply_filters('barn2_plugin_allow_automatic_update', \true, $this->plugin)) {
            $html = \sprintf('<em>%s</em>', __('Auto-updates unavailable.', 'barn2'));
        }
        return $html;
    }
    /**
     * Get the latest version data for this plugin.
     *
     * If successful, the returned object will contain a number of properties, including:
     * 'new_version', 'stable_version', 'name', 'slug', 'url', 'last_updated', 'homepage', 'package',
     * 'download_link', 'sections', 'banners', and 'icons'.
     *
     * @return false|object The latest version, or false on failure.
     */
    private function get_latest_version()
    {
        // First check the cache.
        $version_info = $this->get_cached_version_info();
        if (\false === $version_info) {
            // Nothing in cache, so get latest version from API.
            $api_result = $this->license_api->get_latest_version($this->plugin->get_license()->get_license_key(), $this->plugin->get_id(), $this->plugin->get_license()->get_active_url(), $this->plugin->get_slug(), $this->is_beta_testing(), $this->plugin->get_license_group());
            if ($api_result->success) {
                $version_info = $api_result->response;
                $this->set_cached_version_info($version_info);
            }
        }
        return $version_info;
    }
    private function get_cached_version_info()
    {
        $cache = \get_transient($this->get_cache_key());
        return $cache ?: \false;
    }
    private function set_cached_version_info($version_info)
    {
        // We cache the version info for 4 hours, to reduce the number of API requests.
        \set_transient($this->get_cache_key(), $version_info, 4 * \HOUR_IN_SECONDS);
    }
    private function get_cache_key()
    {
        if (null === $this->cache_key) {
            $this->cache_key = 'barn2_plugin_update_' . \md5(\serialize($this->plugin->get_id() . $this->plugin->get_license()->get_license_key() . $this->is_beta_testing()));
        }
        return $this->cache_key;
    }
    private function is_beta_testing()
    {
        return \apply_filters('barn2_plugin_is_beta_testing_' . $this->plugin->get_slug(), \false);
    }
}
