<?php
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
    exit;
}

/**
 * Remove plugin-owned options while preserving all user content, taxonomies,
 * view data, like data and media attachments.
 */

/** Remove expired or abandoned transfer packages owned by the plugin. */
function sg7g_uninstall_transfer_staging(): void {
    $uploads = wp_upload_dir();
    if ( empty( $uploads['basedir'] ) ) {
        return;
    }

    $base = trailingslashit( $uploads['basedir'] ) . '7sgaleri-imports';
    if ( ! is_dir( $base ) ) {
        return;
    }

    require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php';
    require_once ABSPATH . 'wp-admin/includes/class-wp-filesystem-direct.php';
    $filesystem = new WP_Filesystem_Direct( null );
    $filesystem->delete( $base, true, 'd' );
}

function sg7g_uninstall_site_options(): void {
    delete_option( 'sg7g_settings' );
    delete_option( 'sg7g_flush_rewrite_rules' );
    delete_option( 'sg7g_cover_backfill_version' );
    delete_option( 'sg7g_plugin_version' );
    delete_option( 'sg7g_validation_schema' );
    delete_option( 'sg7g_statistics_schema' );
    delete_option( 'sg7g_likes_schema' );
    sg7g_uninstall_transfer_staging();
}

if ( is_multisite() ) {
    $site_ids = get_sites( array( 'fields' => 'ids', 'number' => 0 ) );
    foreach ( $site_ids as $site_id ) {
        switch_to_blog( (int) $site_id );
        sg7g_uninstall_site_options();
        restore_current_blog();
    }
} else {
    sg7g_uninstall_site_options();
}