package frame

import (
	"github.com/druidcaesa/gotool"
	"github.com/go-playground/validator/v10"
	"reflect"
)

const (
	BUSINESS_CODE = 500 //业务错误
	SQL_CODE      = 501 //业务错误
)

type Exception struct {
	Status int
	Msg    string
}

func Throw(code int, msg string) {
	panic(Exception{
		Status: code,
		Msg:    msg,
	})
}

func CheckSqlErr(err error) {
	if err != nil {
		Throw(SQL_CODE, err.Error())
	}
}
func CheckErr(code int, err error) {
	if err != nil {
		Throw(code, err.Error())
	}
}
func CheckBusinessErr(err error) {
	if err != nil {
		Throw(BUSINESS_CODE, err.Error())
	}
}

func CheckEmpty(str, msg string) {
	if gotool.StrUtils.HasEmpty(str) {
		Throw(BUSINESS_CODE, msg)
	}
}

func CheckNil(ptr interface{}, msg string) {
	if ptr == nil {
		Throw(BUSINESS_CODE, msg)
	}
}
func CheckNotNil(ptr interface{}, msg string) {
	if ptr != nil {
		Throw(BUSINESS_CODE, msg)
	}
}
func CheckFalse(bl bool, msg string) {
	if !bl {
		Throw(BUSINESS_CODE, msg)
	}
}
func CheckTrue(bl bool, msg string) {
	if bl {
		Throw(BUSINESS_CODE, msg)
	}
}

// GetError 自定义错误消息
func GetError(errs validator.ValidationErrors, r interface{}) string {

	s := reflect.TypeOf(r)
	if s.Kind() == reflect.Ptr { //处理指针
		s = s.Elem()
	}
	for _, fieldError := range errs {
		filed, _ := s.FieldByName(fieldError.Field())
		errTag := fieldError.Tag() + "_msg"
		// 获取对应binding得错误消息
		errTagText := filed.Tag.Get(errTag)
		// 获取统一错误消息
		errText := filed.Tag.Get("msg")
		if errTagText != "" {
			return errTagText
		}
		if errText != "" {
			return errText
		}
		return fieldError.Field() + ":" + fieldError.Tag()
	}
	return ""
}