package validator

import (
	"regexp"

	"github.com/go-playground/validator/v10"
)

var (
	sortMatch = regexp.MustCompile("^[a-zA-z0-9_,]+")
)

func tableName(fl validator.FieldLevel) bool {
	value := fl.Field().String()
	if value == "" {
		return false
	}

	if isOk, _ := regexp.MatchString("^[a-zA-Z]$|^[a-zA-Z][a-zA-Z0-9_]*[a-zA-Z0-9]$", value); isOk {
		return true
	}

	return false
}

func sortVerify(fl validator.FieldLevel) bool {
	value := fl.Field().String()
	if value == "" {
		return true
	}

	if isOk := sortMatch.MatchString(value); isOk {
		return true
	}

	return false
}