/**
 * TASK-0106 §3 — form create/update DTOs.
 *
 * `config` is validated by the SHARED `FORM_CONFIG_SCHEMA` in the service
 * (single source of truth); the DTO only bounds gross shape. `questions`
 * is the inline array (create) / optional rebuild (update) — per-question
 * authoring lives in `question.dto.ts`.
 */
import { z } from "zod";
import { CreateQuestionDto, type CreateQuestionInput } from "./question.dto.js";

export const CreateFormDto = z.object({
  name: z.string().min(1).max(100),
  slug: z
    .string()
    .min(2)
    .max(50)
    .regex(/^[a-z0-9]+(?:-[a-z0-9]+)*$/)
    .optional(),
  description: z.string().max(500).optional(),
  config: z.record(z.unknown()).optional(),
  questions: z.array(CreateQuestionDto).max(50).optional()
});
export type CreateFormInput = z.infer<typeof CreateFormDto> & {
  questions?: CreateQuestionInput[];
};

export const UpdateFormDto = z
  .object({
    name: z.string().min(1).max(100).optional(),
    description: z.string().max(500).nullable().optional(),
    status: z.enum(["DRAFT", "PUBLISHED", "CLOSED"]).optional(),
    slug: z.string().min(2).max(50).regex(/^[a-z0-9]+(?:-[a-z0-9]+)*$/).optional(),
    config: z.record(z.unknown()).optional(),
    questions: z.array(CreateQuestionDto).max(50).optional()
  })
  .refine((f) => Object.keys(f).length > 0, { message: "nothing to update" });
export type UpdateFormInput = z.infer<typeof UpdateFormDto> & {
  questions?: CreateQuestionInput[];
};