export const DEFAULT_USER_PASSWORD = '123456'
export const MIN_PASSWORD_LENGTH = 8
export const USERNAME_PATTERN = /^[a-z0-9._-]{3,32}$/
export const PHONE_NUMBER_PATTERN = /^\+?\d{8,15}$/

export type UserRole = 'super_admin' | 'staff'

export function normalizePhoneNumber(value: string) {
  const trimmed = value.trim()

  if (!trimmed) {
    return ''
  }

  const hasPlusPrefix = trimmed.startsWith('+')
  const digitsOnly = trimmed.replace(/\D/g, '')

  return hasPlusPrefix ? `+${digitsOnly}` : digitsOnly
}

export function isValidPhoneNumber(value: string) {
  return PHONE_NUMBER_PATTERN.test(normalizePhoneNumber(value))
}

export interface AuthUser {
  id: string
  username: string
  fullName: string
  phoneNumber: string | null
  role: UserRole
  isActive: boolean
  mustChangePassword: boolean
  needsPasskeySetup: boolean
  passkeyCount: number
  createdAt: string
  lastLoginAt: string | null
}

export interface ManagedUser extends AuthUser {
  createdBy: string | null
}

export interface PublicContact {
  id: string
  fullName: string
  phoneNumber: string
  role: UserRole
}

export interface PasskeySummary {
  id: string
  label: string
  createdAt: string
  lastUsedAt: string | null
  deviceType: 'singleDevice' | 'multiDevice'
  backedUp: boolean
}