import { z } from 'zod'

// ============================================================================
// Form Schemas
// ============================================================================

export const loginFormSchema = z.object({
  username: z.string().min(1, 'Please enter your username or email'),
  password: z
    .string()
    .min(1, 'Please enter your password')
    .min(8, 'Password must be at least 8 characters long'),
})

export const registerFormSchema = z
  .object({
    username: z.string().min(1, 'Please enter your username'),
    email: z.string().optional(),
    password: z
      .string()
      .min(1, 'Please enter your password')
      .min(8, 'Password must be at least 8 characters long')
      .max(20, 'Password must be at most 20 characters long'),
    confirmPassword: z.string().min(1, 'Please confirm your password'),
  })
  .refine((data) => data.password === data.confirmPassword, {
    message: "Passwords don't match.",
    path: ['confirmPassword'],
  })

export const forgotPasswordFormSchema = z.object({
  email: z.string().email({
    message: 'Please enter a valid email address',
  }),
})

export const otpFormSchema = z.object({
  otp: z.string().min(1, 'Please enter a code.'),
})

// ============================================================================
// Validation Constants
// ============================================================================

export const PASSWORD_MIN_LENGTH = 8
export const PASSWORD_MAX_LENGTH = 20
export const OTP_LENGTH = 6
export const BACKUP_CODE_LENGTH = 9 // XXXX-XXXX format
export const BACKUP_CODE_REGEX = /^[A-Z0-9]{4}-[A-Z0-9]{4}$/i
export const OTP_REGEX = /^\d{6}$/

// ============================================================================
// Countdown Constants
// ============================================================================

export const EMAIL_VERIFICATION_COUNTDOWN = 30 // seconds
export const PASSWORD_RESET_COUNTDOWN = 30 // seconds

// ============================================================================
// OAuth Constants
// ============================================================================

export const OAUTH_BIND_STORAGE_KEY = 'oauth:binding:result'