package domain

import (
	"git.sxidc.com/go-tools/utils/strutils"
	"git.sxidc.com/service-supports/fserr"
)

type Entity interface {
	Object
	DomainCNName() string
	GenerateID() error
	GetID() string
	CheckID(errCode int) error
	IDColumnName() string
}

type BaseEntity struct {
	ID string `sqlmapping:"column:id;key;" sqlresult:"column:id;"`
}

func (e *BaseEntity) DomainCNName() string {
	panic("领域实体没有实现DomainCNName接口")
}

func (e *BaseEntity) GenerateID() error {
	e.ID = strutils.SimpleUUID()
	return nil
}

func (e *BaseEntity) GetID() string {
	return e.ID
}

func (e *BaseEntity) CheckID(errCode int) error {
	if strutils.IsStringEmpty(e.ID) {
		return fserr.WithCode(nil, errCode, fserr.MsgOption(e.DomainCNName()+"ID为空"))
	}

	if len([]byte(e.ID)) != FieldIDLen {
		return fserr.WithCode(nil, errCode, fserr.MsgOption(e.DomainCNName()+"ID长度不正确"))
	}

	return nil
}

func (e *BaseEntity) IDColumnName() string {
	return ColumnID
}