import { z } from 'zod'

const usernameField = z.string().trim().min(3, '用户名至少需要3个字符').max(30, '用户名最多30个字符')
const passwordField = z.string().min(8, '密码至少需要8个字符')
const confirmPasswordField = z.string()
const captchaTextField = z.string().min(1, '验证码不能为空')
const captchaTokenField = z.string().min(1, '验证码令牌不能为空')

const passwordRefine = (data: { password: string; confirmPassword: string }) =>
  data.password === data.confirmPassword

export const registerSchema = z
  .object({
    username: usernameField,
    password: passwordField,
    confirmPassword: confirmPasswordField,
    captchaToken: captchaTokenField,
    captchaText: captchaTextField,
  })
  .refine(passwordRefine, {
    message: '两次输入的密码不一致',
    path: ['confirmPassword'],
  })

/** Client-side schema: excludes captchaToken (managed by page shell) */
export const clientRegisterSchema = z
  .object({
    username: usernameField,
    password: passwordField,
    confirmPassword: confirmPasswordField,
    captchaText: captchaTextField,
  })
  .refine(passwordRefine, {
    message: '两次输入的密码不一致',
    path: ['confirmPassword'],
  })

export type RegisterInput = z.infer<typeof clientRegisterSchema>