package aio

import "sync"

type aioTestBareAdaptor struct{}

func (t *aioTestBareAdaptor) Connect() (err error)  { return }
func (t *aioTestBareAdaptor) Finalize() (err error) { return }
func (t *aioTestBareAdaptor) Name() string          { return "" }
func (t *aioTestBareAdaptor) SetName(n string)      {}

type aioTestAdaptor struct {
	name                  string
	port                  string
	mtx                   sync.Mutex
	testAdaptorAnalogRead func() (val int, err error)
}

func (t *aioTestAdaptor) TestAdaptorAnalogRead(f func() (val int, err error)) {
	t.mtx.Lock()
	defer t.mtx.Unlock()
	t.testAdaptorAnalogRead = f
}

func (t *aioTestAdaptor) AnalogRead(string) (val int, err error) {
	t.mtx.Lock()
	defer t.mtx.Unlock()
	return t.testAdaptorAnalogRead()
}
func (t *aioTestAdaptor) Connect() (err error)  { return }
func (t *aioTestAdaptor) Finalize() (err error) { return }
func (t *aioTestAdaptor) Name() string          { return t.name }
func (t *aioTestAdaptor) SetName(n string)      { t.name = n }
func (t *aioTestAdaptor) Port() string          { return t.port }

func newAioTestAdaptor() *aioTestAdaptor {
	return &aioTestAdaptor{
		port: "/dev/null",
		testAdaptorAnalogRead: func() (val int, err error) {
			return 99, nil
		},
	}
}