/**
 * @factory/shared — notification DTOs (PRODUCT-SPEC §14; prisma `Notification`).
 */

import { z } from "zod";

export const notificationChannelSchema = z.enum(["in_app", "email", "webhook"]);
export type NotificationChannelInput = z.infer<typeof notificationChannelSchema>;

export const notificationTypeSchema = z.enum([
  "mention",
  "comment",
  "assignment",
  "page_shared",
  "task_assigned",
  "database_change",
  "automation",
  "integration",
]);
export type NotificationTypeInput = z.infer<typeof notificationTypeSchema>;

/** Create an in-app notification (server-side producers mostly; exposed for
 *  "notify user" automation actions). */
export const createNotificationSchema = z
  .object({
    userId: z.string().min(1),
    type: notificationTypeSchema,
    /** Display title. */
    title: z.string().min(1).max(200),
    body: z.string().max(2000).optional(),
    /** Where the notification links to. */
    link: z.string().max(500).optional(),
    /** Delivery channels (in_app is always added). */
    channels: z.array(notificationChannelSchema).min(1).max(3).optional(),
    actorId: z.string().min(1).optional(),
    refType: z.string().min(1).optional(),
    refId: z.string().min(1).optional(),
  })
  .strict();
export type CreateNotification = z.infer<typeof createNotificationSchema>;

export const markNotificationsReadSchema = z
  .object({
    notificationIds: z.array(z.string().min(1)).min(1).max(500).optional(),
    /** When no ids: mark everything up to this moment as read. */
    upTo: z
      .string()
      .refine((s) => Number.isFinite(Date.parse(s)), { message: "invalid ISO date" })
      .optional(),
  })
  .strict();
export type MarkNotificationsRead = z.infer<typeof markNotificationsReadSchema>;