package validator

import (
	"github.com/gin-gonic/gin"
	"github.com/gin-gonic/gin/binding"
	"github.com/go-playground/locales/zh"
	ut "github.com/go-playground/universal-translator"
	"github.com/go-playground/validator/v10"
	zh_translations "github.com/go-playground/validator/v10/translations/zh"
	"reflect"
)

var trans ut.Translator

func init() {

	uni := ut.New(zh.New())
	trans, _ = uni.GetTranslator("zh")

	if v, ok := binding.Validator.Engine().(*validator.Validate); ok {
		//注册翻译器
		_ = zh_translations.RegisterDefaultTranslations(v, trans)
		//注册一个函数，获取struct tag里自定义的label作为字段名
		v.RegisterTagNameFunc(func(fld reflect.StructField) string {
			name := fld.Tag.Get("label")
			return name
		})
	}
}

// ValidatorData 验证数据
func ValidatorData(c *gin.Context, data interface{}) (string, bool) {

	if err := c.ShouldBind(data); err != nil {
		for _, v := range err.(validator.ValidationErrors) {
			return v.Translate(trans), false
		}
	}
	return "", true
}