import subprocess
from os import environ

class Pulse:

	# this method uses the intern names of the sinks
	# @staticmethod
	# def get_audio_inputs():
	# 	proc = subprocess.run(['pactl', 'list', 'short', 'sources'], capture_output=True)
	# 	parts = [line.split('\t') for line in proc.stdout.decode('utf-8').split('\n')]
	# 	deviceinfos = [{'id': device[0], 'name': device[1]} for device in parts if len(device) > 1]
	# 	return deviceinfos

	@staticmethod
	def get_audio_inputs():
		proc = subprocess.run(['pacmd', 'list-sources'], capture_output=True, env={**environ, 'LANG': 'C'})
		lines = proc.stdout.decode('utf-8').split('\n')
		currentSourceID = -1
		currentName = ''
		ismointor = False
		isdefault = False
		description = ''
		devices = []
		for line in lines:
			if line[4:].startswith('index: '):
				#submit old device
				if currentSourceID != -1:
					devices.append({'id': currentSourceID, 'name': currentName, 'monitor': ismointor, 'description': description, 'isdefault': isdefault})

				ismointor = False
				isdefault = line[2] == '*'
				description = ''
				currentSourceID = int(line[11:])
			elif line.startswith('\tname: '):
				currentName = line[8:-1]
			elif line == '\t\tdevice.class = "monitor"':
				ismointor = True
			elif line.startswith('\t\tdevice.description = "'):
				description = line[24:-1]

		devices.append({'id': currentSourceID, 'name': currentName, 'monitor': ismointor, 'description': description, 'isdefault': isdefault})

		return devices