<?php
/**
 * Fired when the plugin is uninstalled.
 *
 * Removes everything the plugin stored: the request table, settings, popup texts
 * (all languages), the cached API token and the scheduled status sync –
 * on every site of a multisite network.
 *
 * @link       https://group107.com
 * @since      1.0.0
 *
 * @package    accessible-docs
 * @subpackage accessible-docs/includes
 */

// If uninstall not called from WordPress, then exit.
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
    exit;
}

/**
 * Remove the plugin data of the current site.
 */
function group107_accessibledocs_uninstall_site() {
    global $wpdb;

    $table_name = $wpdb->prefix . 'accessible_docs';
    // $table_name is built from $wpdb->prefix and a literal string, it is safe.
    // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared, WordPress.DB.DirectDatabaseQuery.SchemaChange
    $wpdb->query( "DROP TABLE IF EXISTS `{$table_name}`" );

    delete_option( 'accessible_docs_settings' );
    delete_option( 'accessible_docs_db_version' );
    delete_transient( 'accessible_docs_access_token' );
    wp_clear_scheduled_hook( 'accessible_docs_sync_statuses' );

    // Popup texts are stored per language: accessible_docs_popup_options, accessible_docs_popup_options_en_US, …
    $option_names = $wpdb->get_col(
        $wpdb->prepare(
            "SELECT option_name FROM {$wpdb->options} WHERE option_name = %s OR option_name LIKE %s",
            'accessible_docs_popup_options',
            $wpdb->esc_like( 'accessible_docs_popup_options_' ) . '%'
        )
    );
    foreach ( $option_names as $option_name ) {
        delete_option( $option_name );
    }

    // Rate-limit counters.
    $wpdb->query(
        $wpdb->prepare(
            "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s OR option_name LIKE %s",
            $wpdb->esc_like( '_transient_accessible_docs_rl_' ) . '%',
            $wpdb->esc_like( '_transient_timeout_accessible_docs_rl_' ) . '%'
        )
    );
}

if ( is_multisite() ) {
    foreach ( get_sites( array( 'fields' => 'ids', 'number' => 0 ) ) as $group107_accessibledocs_site_id ) {
        switch_to_blog( $group107_accessibledocs_site_id );
        group107_accessibledocs_uninstall_site();
        restore_current_blog();
    }
} else {
    group107_accessibledocs_uninstall_site();
}