// Copyright (c) 2026 PowerOn AG
// All rights reserved.
/**
 * Helpers for optional select/multiselect rows on workflow form field definitions.
 */

export type FormFieldOptionRow = { value: string; label: string };

/** Field types where the author defines explicit { value, label } choices. */
export function formFieldTypeHasConfigurableOptions(typeId: string | undefined): boolean {
  if (!typeId) return false;
  return typeId === 'select' || typeId === 'enum';
}

export function normalizeFormFieldOptions(raw: unknown): FormFieldOptionRow[] {
  if (!Array.isArray(raw)) return [];
  return raw.map((o, i) => {
    if (o && typeof o === 'object' && !Array.isArray(o)) {
      const r = o as Record<string, unknown>;
      const value = String(r.value ?? r.id ?? '');
      const label = String(r.label ?? r.value ?? r.id ?? `Option ${i + 1}`);
      return { value, label };
    }
    const s = String(o ?? '');
    return { value: s, label: s };
  });
}

/**
 * Stable key for `payload.*` / data refs. From the visible label; empty label → `field_<index>`.
 */
export function deriveFormFieldPayloadKey(label: string, index: number): string {
  const trimmed = label.trim();
  if (!trimmed) return `field_${index + 1}`;
  const deaccent = trimmed.normalize('NFKD').replace(/[\u0300-\u036f]/g, '');
  let s = deaccent
    .toLowerCase()
    .replace(/[^a-z0-9]+/g, '_')
    .replace(/^_+|_+$/g, '');
  if (!s) return `field_${index + 1}`;
  return s;
}