import type { FindOptions, Includeable, OrderItem } from "sequelize";

export function normalizeOrder(order: FindOptions["order"]): OrderItem[] {
  if (!order) return [];
  return Array.isArray(order) ? (order as OrderItem[]) : [order as OrderItem];
}

export function normalizeInclude(include: FindOptions["include"]): Includeable[] {
  if (!include) return [];
  return Array.isArray(include) ? include : [include];
}

export function prependOrder(options: FindOptions, orderItem: OrderItem): void {
  options.order = [orderItem, ...normalizeOrder(options.order)];
}

export function appendOrder(options: FindOptions, orderItem: OrderItem): void {
  options.order = [...normalizeOrder(options.order), orderItem];
}

/**
 * Devuelve los includes aplicables al COUNT.
 *
 * Los includes con `separate: true` no forman parte del SELECT principal,
 * por lo que no deben arrastrarse al conteo.
 */
export function getCountIncludes(include: Includeable[]): Includeable[] {
  return include.filter((item) => {
    if (!item || typeof item !== "object") return true;

    return !("separate" in item && item.separate === true);
  });
}