package srvdef

import (
	"fmt"
)

// SrvErr 代替/common/error中的定义，逐渐在代码中弃掉(common/error模块)
type SrvErr struct {
	Code CodeType `json:"code"`
	Msg  string   `json:"msg"`
	Tips string   `json:"tips"`
}

// New create an error
func New(code CodeType, msgAndTips ...string) *SrvErr {
	msg := code.Msg()
	tips := code.Tip()
	if len(msgAndTips) == 1 {
		msg = msgAndTips[0]
	} else if len(msgAndTips) == 2 {
		msg, tips = msgAndTips[0], msgAndTips[1]
	}
	return &SrvErr{
		Code: code,
		Msg:  msg,
		Tips: tips,
	}
}

// SrvErr 返回字符串
func (s *SrvErr) Error() string {
	if s == nil {
		return ""
	}
	return fmt.Sprintf("code = %d, msg = %s ,tips = %v", s.Code, s.Msg, s.Tips)
}

// SrvErr 返回error
func (s *SrvErr) ToError() error {
	if s == nil {
		return nil
	}
	return fmt.Errorf("code = %d, msg = %s ,tips = %v", s.Code, s.Msg, s.Tips)
}

func (c *SrvErr) GetMsg() string {
	// 有自定义的msg就用自定义的msg
	if c.Msg != "" {
		return c.Msg
	}
	return c.Code.Msg()
}
func (c *SrvErr) GetTip() string {
	// 有自定义的tip就用自定义的tip
	if c.Tips != "" {
		return c.Tips
	}
	return c.Code.Tip()
}
func (c *SrvErr) GetCode() CodeType { return c.Code }

var (
	ErrDbInsert = New(ErrDbInsertError, "", "")
	ErrDbQuery  = New(ErrDbQueryError, "", "")
	ErrDbUpdate = New(ErrDbUpdateError, "", "")
	ErrDbDelete = New(ErrDbDeleteError, "", "")
)