package common

type ErrorCode int

const (
	CodeSuccess          = 200
	CodeParamError       = 400
	CodeUnauthorized     = 401
	CodeTokenExpired     = 4011
	CodeForbidden        = 403
	CodeNotFound         = 404
	CodeInvalidStatus    = 405
	CodeDBError          = 500
	CodeSystemError      = 501
	CodeTaskNotComplete  = 1001
	CodeRecordRepeat     = 1002
	CodeSmsCodeError     = 1003
	CodeEmailExists      = 1004
	CodeEmailNotFound    = 1005
	CodePasswordMismatch = 1006
)

const (
	CodeSuccessMsg          = "success"
	CodeParamErrorMsg       = "param error"
	CodeUnauthorizedMsg     = "unauthorized"
	CodeTokenExpiredMsg     = "token expired"
	CodeForbiddenMsg        = "forbidden"
	CodeNotFoundMsg         = "not found"
	CodeInvalidStatusMsg    = "invalid status"
	CodeDBErrorMsg          = "database error"
	CodeSystemErrorMsg      = "system error"
	CodeTaskNotCompleteMsg  = "task not complete"
	CodeRecordRepeatMsg     = "record repeat"
	CodeSmsCodeErrorMsg     = "sms code error"
	CodeEmailExistsMsg      = "email already registered"
	CodeEmailNotFoundMsg    = "email not found"
	CodePasswordMismatchMsg = "password mismatch"
)

type BusinessError struct {
	Code    ErrorCode
	Message string
	Err     error
}

func (e *BusinessError) Error() string {
	return e.Message
}

func NewError(code ErrorCode, message string, err error) *BusinessError {
	return &BusinessError{
		Code:    code,
		Message: message,
		Err:     err,
	}
}

// 预定义业务错误
var (
	ErrEmailExists      = NewError(CodeEmailExists, CodeEmailExistsMsg, nil)
	ErrEmailNotFound    = NewError(CodeEmailNotFound, CodeEmailNotFoundMsg, nil)
	ErrPasswordMismatch = NewError(CodePasswordMismatch, CodePasswordMismatchMsg, nil)
)