export function getObjectViewResultToArray<T extends ioBroker.Object>(
    doc:
        | {
              rows: ioBroker.GetObjectViewItem<T>[];
          }
        | undefined,
): T[] {
    return doc?.rows.map(item => item.value).filter((val): val is T => !!val) ?? [];
}

/** Makes sure that a host id starts with "system.host." */
export function normalizeHostId(host: string): string {
    if (!host?.startsWith('system.host.')) {
        host = `system.host.${host}`;
    }
    return host;
}

export function objectIdToHostname(id: string): string {
    if (id?.startsWith('system.host.')) {
        id = id.substring('system.host.'.length);
    }
    return id;
}

/**
 * Creates a promise that waits for the specified time and then resolves
 */
export function wait(ms: number): Promise<void> {
    return new Promise<void>(resolve => {
        setTimeout(resolve, ms);
    });
}

/** Converts ioB pattern into regex */
export function pattern2RegEx(pattern: string): string {
    pattern = (pattern || '').toString();

    const startsWithWildcard = pattern[0] === '*';
    const endsWithWildcard = pattern[pattern.length - 1] === '*';

    pattern = pattern.replace(/[-/\\^$+?.()|[\]{}]/g, '\\$&').replace(/\*/g, '.*');

    return (startsWithWildcard ? '' : '^') + pattern + (endsWithWildcard ? '' : '$');
}