/**
 * @factory/shared — workspace DTOs (PRODUCT-SPEC §2, tenancy model).
 */

import { z } from "zod";

import { LIMITS } from "../constants.js";

export const workspaceRoleSchema = z.enum(["owner", "admin", "member", "guest"]);
export type WorkspaceRoleInput = z.infer<typeof workspaceRoleSchema>;

export const workspaceSlugSchema = z
  .string()
  .min(2, "Slug must be at least 2 characters")
  .max(LIMITS.MAX_SLUG, "Slug must be at most 50 characters")
  .regex(/^[a-z0-9]+(?:-[a-z0-9]+)*$/, "Slug must be lowercase letters, digits and dashes");
export type WorkspaceSlugInput = z.infer<typeof workspaceSlugSchema>;

export const createWorkspaceSchema = z
  .object({
    name: z
      .string()
      .min(2, "Name must be at least 2 characters")
      .max(LIMITS.MAX_WORKSPACE_NAME, "Name must be at most 50 characters"),
    slug: workspaceSlugSchema,
    description: z.string().max(500).optional(),
  })
  .strict();
export type CreateWorkspace = z.infer<typeof createWorkspaceSchema>;

export const updateWorkspaceSchema = z
  .object({
    name: z.string().min(2).max(LIMITS.MAX_WORKSPACE_NAME).optional(),
    description: z.string().max(500).optional().nullable(),
    icon: z.string().max(32).optional().nullable(),
  })
  .strict()
  .refine((v) => Object.keys(v).length > 0, { message: "No fields to update" });
export type UpdateWorkspace = z.infer<typeof updateWorkspaceSchema>;

/** Add an existing user to a workspace with a role. */
export const addMemberSchema = z
  .object({
    email: z.string().min(1).email(),
    role: z.enum(["owner", "admin", "member", "guest"]),
  })
  .strict();
export type AddMember = z.infer<typeof addMemberSchema>;

/** Invite by email — creates an Invitation row (accepts later). */
export const inviteMemberSchema = z
  .object({
    email: z.string().min(1).email(),
    role: z.enum(["admin", "member", "guest"]).default("member"),
    /** Team to place the member in once accepted (teamspaces). */
    teamId: z.string().min(1).optional(),
  })
  .strict();
export type InviteMember = z.infer<typeof inviteMemberSchema>;