#Authors:   Oulis Evangelos, Oulis Nikolaos, Drosos Katsibras
#===================================================================
#!/usr/bin/env python

import json
import requests


server_ip = "iot-smart-parking.herokuapp.com"
server_port = "443"
API_ENDPOINT = 'https://' + server_ip + ':' + server_port + '/'

try:
#	ser = serial.Serial(
#		port='/dev/ttyACM0',
#		baudrate = 9600,
#		parity=serial.PARITY_NONE,
#		stopbits=serial.STOPBITS_ONE,
#		bytesize=serial.EIGHTBITS,
#		timeout=1
#	)
	
	c = requests.get(url=API_ENDPOINT, params = {})
	doc = c.json()

	parking = None 
	for park in doc:
		if park['status'] == True:
			parking = park	#{"no": park['no'], "status": park['status']}
			break
	
	print ("Free parking is Number: " + str(parking['no']))
#	ser.write("b'" + parking['no'] + "'")
#	ser.flush()
except (NameError, TypeError) as e:
	print ("No free parking")
except requests.exceptions.ConnectionError:
	print("No Internet access")