import type { SQLOutputValue } from "node:sqlite";
import type { Category } from "../../shared/category.ts";

export interface CategoryRow {
  id: string;
  slug: string;
  name: string;
  position: number;
  created_at: string;
  updated_at: string | null;
  [key: string]: SQLOutputValue;
}

export function isCategoryRow(obj: unknown): obj is CategoryRow {
  return !!obj && typeof obj === "object" &&
    "id" in obj && typeof obj.id === "string" &&
    "slug" in obj && typeof obj.slug === "string" &&
    "name" in obj && typeof obj.name === "string" &&
    "position" in obj && typeof obj.position === "number" &&
    "created_at" in obj && typeof obj.created_at === "string" &&
    "updated_at" in obj &&
    (typeof obj.updated_at === "string" || obj.updated_at === null);
}

export function categoryRowToApi(row: CategoryRow): Category {
  return {
    id: row.id,
    slug: row.slug,
    name: row.name,
    position: row.position,
    createdAt: new Date(row.created_at),
    updatedAt: row.updated_at ? new Date(row.updated_at) : undefined,
  };
}