package dinet

import (
	"time"

	"src.dualinventive.com/go/dinet/rpc"
)

// DeviceCallbacks is a struct that implements the DeviceInfo interface. You can change realtime the callbacks.
// Useful for unit testing
type DeviceCallbacks struct {
	DevUID      string
	DevType     rpc.DeviceType
	CBVersions  func() (rpc.VersionMap, rpc.ErrorCode)
	CBTimeout   func() time.Duration
	CBTransport func() (interface{}, rpc.ErrorCode)
}

// UID returns the public field DevUID
func (t *DeviceCallbacks) UID() string {
	return t.DevUID
}

// Type returns the public field DevType
func (t *DeviceCallbacks) Type() rpc.DeviceType {
	return t.DevType
}

// Versions calls the public callback CBVersions
func (t *DeviceCallbacks) Versions() (rpc.VersionMap, rpc.ErrorCode) {
	return t.CBVersions()
}

// TimeoutDuration calls the public callback CBTimeout
func (t *DeviceCallbacks) TimeoutDuration() time.Duration {
	return t.CBTimeout()
}

// Transport calls the public callback CBTransport
func (t *DeviceCallbacks) Transport() (interface{}, rpc.ErrorCode) {
	return t.CBTransport()
}

// Close doesn't do anything
func (t *DeviceCallbacks) Close() error {
	return nil
}