import { z } from "zod"

function requiredTextField(label: string, maxLength: number) {
  return z.preprocess(
    (value) => typeof value === "string" ? value.trim() : "",
    z.string()
      .min(1, `请填写${label}`)
      .max(maxLength, `${label}不能超过 ${maxLength} 个字符`)
  )
}

function optionalTextField(label: string, maxLength: number) {
  return z.preprocess(
    (value) => typeof value === "string" ? value.trim() : "",
    z.string().max(maxLength, `${label}不能超过 ${maxLength} 个字符`)
  )
}

export const contactFormSchema = z.object({
  name: requiredTextField("姓名", 80),
  company: requiredTextField("公司 / 品牌", 120),
  phone: requiredTextField("联系电话", 40),
  scale: optionalTextField("门店规模", 120),
  message: optionalTextField("需求描述", 2000),
})

export type ContactFormData = z.infer<typeof contactFormSchema>