import { z } from 'zod';

import { signupInputSchema } from './auth';

/**
 * First-run setup wizard (issue #80, deployment.md §Configuration): a fresh
 * instance exposes only `/setup/*` until the wizard completes; completing it
 * locks the wizard permanently (steps answer 410 afterwards).
 */

/** Step 1 — the Site Admin account; same field rules as regular signup. */
export const setupAdminInputSchema = signupInputSchema;
export type SetupAdminInput = z.infer<typeof setupAdminInputSchema>;

/** Step 2 — instance identity. Mirrors the instance_settings validations. */
export const setupInstanceInputSchema = z.object({
  name: z.string().trim().min(1, 'validation.required').max(60),
  defaultLocale: z.enum(['de', 'en']),
});
export type SetupInstanceInput = z.infer<typeof setupInstanceInputSchema>;

/**
 * Step 3 — SMTP relay. Optional: skipping it is allowed, the instance then
 * sends no mail (signup verification, password reset) until configured.
 * Saving runs a live delivery test first; failures block the step.
 */
export const setupSmtpInputSchema = z.object({
  host: z.string().trim().min(1, 'validation.required').max(255),
  // The wizard form feeds this through valueAsNumber — an empty input
  // arrives as NaN, so the type error doubles as the "required" message.
  port: z.number({ invalid_type_error: 'validation.required' }).int().min(1).max(65535),
  secure: z.boolean(),
  user: z.string().max(255).optional(),
  pass: z.string().max(1024).optional(),
  from: z.string().trim().min(3, 'validation.required').max(255),
});
export type SetupSmtpInput = z.infer<typeof setupSmtpInputSchema>;

/** Step 4 — who may self-register (ADR 0007). */
export const setupRegistrationInputSchema = z.object({
  mode: z.enum(['open', 'closed']),
});
export type SetupRegistrationInput = z.infer<typeof setupRegistrationInputSchema>;

/** What `GET /setup` reports; the wizard UI (#81) renders its steps from this. */
export interface SetupStatusView {
  status: 'required' | 'completed';
  adminCreated: boolean;
  smtpConfigured: boolean;
}