//go:build windows

package cat

import "fmt"

// TCIAudioController is the receive-audio capability of the TCI backend, kept
// as an interface for the same reason as the Flex and Yaesu ones: the host asks
// the manager, and a station running something else gets a clear "this backend
// does not do that" instead of a nil dereference.
type TCIAudioController interface {
	StartTCIAudio(rx, rate int) error
	StopTCIAudio() error
	TCIAudioStatus() TCIAudioStatus
}

// TCIAudioState returns the stream's state, or (zero, false) when the active
// backend is not a TCI radio.
func (m *Manager) TCIAudioState() (TCIAudioStatus, bool) {
	m.mu.RLock()
	b := m.backend
	m.mu.RUnlock()
	if tc, ok := b.(TCIAudioController); ok {
		return tc.TCIAudioStatus(), true
	}
	return TCIAudioStatus{}, false
}

// TCIAudioDo dispatches an audio command onto the CAT goroutine, like every
// other backend-specific control.
func (m *Manager) TCIAudioDo(fn func(TCIAudioController) error) error {
	return m.exec(func(b Backend) error {
		tc, ok := b.(TCIAudioController)
		if !ok {
			return fmt.Errorf("active CAT backend is not a TCI radio")
		}
		return fn(tc)
	})
}