import speech_recognition as sr

class voiceInput(object):
	recognizer = sr.Recognizer()

	muted = True

	# "Error codes", can be used to check stuff
	what = "??"
	error = "ERROR"

	def start( self, deviceIndex=None ): # a generator for everything that is said
		while( True ): # loop 
			try:
				if( not self.muted ): # this thing is not the NSA
					with sr.Microphone( deviceIndex ) as src:
						self.recognizer.adjust_for_ambient_noise( src, 0.2 )
						print("Listening...")
						audio = self.recognizer.listen( src, phrase_time_limit=5 )
						print("Thinking...")
						text = self.recognizer.recognize_google(audio)
						yield text

			except sr.RequestError as err:
				print("Unable to request results: {0}".format(err))
				yield self.error

			except sr.UnknownValueError:
				yield self.what


	def setMuted( self, setm: bool=True ):
		self.muted = setm

	def switchMute( self ):
		self.setMuted( not self.muted )