import { z } from 'zod';

// ISO datetime string (e.g. "2027-12-31T00:00:00.000Z"). Clients may send date-only "2027-12-31";
// API layer is expected to coerce to Date.
const IsoDate = z.string().datetime({ offset: true }).or(z.string().regex(/^\d{4}-\d{2}-\d{2}$/));

export const CreateManufacturerRequest = z.object({
  name: z.string().min(1).max(128),
  eolDate: IsoDate.optional().nullable(),
});
export type CreateManufacturerRequest = z.infer<typeof CreateManufacturerRequest>;

export const UpdateManufacturerRequest = z
  .object({
    name: z.string().min(1).max(128).optional(),
    eolDate: IsoDate.nullable().optional(),
  })
  .refine((v) => Object.keys(v).length > 0, { message: 'At least one field required' });
export type UpdateManufacturerRequest = z.infer<typeof UpdateManufacturerRequest>;