import socket
import time

"""
initialize global variable to function definition
"""
s = None
reconnect = True # default is connection once

# MUST USE BEETWEEN FORMAT
# CONST DATA FORMAT
HEADER = "\xa6"
FOOTER = "\xa9"

"""
OUT1ON
OUT1OFF
TRIG1
OUT2ON
OUT2OFF
TRIG2
OUT3ON
OUT3OFF
TRIG3
OUT4ON
OUT4OFF
TRIG4
PING
MS
PRXXXXX
DS*xxxx#
RSR
RSSxxxxx
IN1ONOK
IN1OFFOK
IN2ONOK
IN2OFFOK
IN3ONOK
IN3OFFOK
IN4ONOK
IN4OFFOK
PLAYENDOK
NOTRACKOK
WOK
"""
def format_command(cmd):
	return HEADER+cmd+FOOTER

"""
Function to generate format 0000X
"""
def fill_zero(max_zero, data):
	result = str(data)
	for i in range(max_zero-1):
		result = str(0)+result

	return result

"""
Function to connecting socket
"""
def connect():
	global s
	result = True
	try :
		s = socket.socket()
		s.connect(('192.168.1.100',5000))
	except Exception as e :
		result = False
		print(e)

	return result

"""
Function disconnecting socket
"""
def disconnect():
	global s
	result = True
	try :
		if (s != None):
			s.close()
	except Exception as e :
		result = False
		print(e)

	return result

"""
Function send data
"""
def send(data):
	global s
	result = True
	try :
		s.send(data.encode('cp1252'))
	except Exception as e :
		result = False
		print(e)

	return result

"""
Function for receiving data
"""
def receive():
	global s
	return s.recv(1024).decode('cp1252')

while reconnect :
	try :
		# connection first
		if(connect()):
			# set reconnect to false
			reconnect = False
			print("Connected...")

			# sending data
			send(format_command('TRIG1'))

			# receive data
			print(receive())

			# waiting cycles
			time.sleep(1)
	except Exception as e :
		reconnect = True

		# disconnecting error exception
		disconnect()
		print("Closing connection...")

		# reconnecting again..
		connect()
		print("Reconnecting...")

		time.sleep(1)