import { z } from 'zod';
import { passwordStrength } from './password-strength';

export const emailSchema = z.string().trim().toLowerCase().email('Enter a valid e-mail address').max(254);

export const passwordSchema = z
  .string()
  .min(10, 'Use at least 10 characters')
  .max(200, 'Password is too long')
  .refine((p) => passwordStrength(p).score >= 1, 'That password is too common or too simple');

export const codeSchema = z
  .string()
  .transform((s) => s.replace(/\D/g, ''))
  .pipe(z.string().length(6, 'Enter the 6-digit code'));

export const handleSchema = z
  .string()
  .trim()
  .toLowerCase()
  .min(3, 'At least 3 characters')
  .max(24, 'At most 24 characters')
  .regex(/^[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/, 'Letters, numbers and hyphens only');

const RESERVED = new Set(['admin', 'rareindex', 'api', 'support', 'help', 'about', 'login', 'signup', 'account', 'collections', 'watchlist', 'root', 'system', 'null', 'undefined']);
export function isReservedHandle(h: string): boolean {
  return RESERVED.has(h);
}

export const signupSchema = z.object({ email: emailSchema, password: passwordSchema, name: z.string().trim().max(80).optional().or(z.literal('')) });
export const loginSchema = z.object({ email: emailSchema, password: z.string().min(1, 'Enter your password').max(200), remember: z.boolean().optional() });