from gpiozero import LED
import smbus
import time
import os
import colorama
from colorama import Fore, Back, Style

deg_f = chr(176)+ 'F'
red = LED(19)
green = LED(16)
blue = LED(26)


try: 
	while True: 
# Get I2C bus
		bus = smbus.SMBus(1)
		bus.write_byte(0x40, 0xF5)
		time.sleep(0.3)

# SI7021 address, 0x40  Read 2 bytes, Humidity
		data0 = bus.read_byte(0x40)
		data1 = bus.read_byte(0x40)

# Convert the data
		humidity = ((data0 * 256 + data1) * 125 / 65536.0) - 6
 
		time.sleep(0.3)
		bus.write_byte(0x40, 0xF3)
		time.sleep(0.3)
 
# SI7021 address, 0x40 Read data 2 bytes, Temperature
		data0 = bus.read_byte(0x40)
		data1 = bus.read_byte(0x40)
 
# Convert the data and output it
		celsTemp = ((data0 * 256 + data1) * 175.72 / 65536.0) - 46.85
		fahrTemp = celsTemp * 1.8 + 32
		
		if fahrTemp >= 85:
			print(Fore.RED + Style.BRIGHT + "Temperature is ----> %.2f" %fahrTemp,deg_f)
			print("Relative Humidity is ----> %.2f %%" %humidity)
			red.blink()
			green.on()
			blue.off()
		elif fahrTemp > 77 and fahrTemp < 85:
			print(Fore.RED + Style.BRIGHT + "Temperature is ----> %.2f" %fahrTemp,deg_f)
			print("Relative Humidity is ----> %.2f %%" %humidity)
			red.on()
			green.off()
			blue.off()
		elif fahrTemp >= 60 and fahrTemp <= 77:
			print(Fore.GREEN + Style.BRIGHT + "Temperature is ----> %.2f" %fahrTemp,deg_f)
			print("Relative Humidity is ----> %.2f %%" %humidity)
			red.off()
			green.on()
			blue.off()
		elif fahrTemp > 32 and fahrTemp < 60:
			print(Fore.BLUE + Style.BRIGHT + "Temperature is ----> %.2f" %fahrTemp,deg_f)
			print("Relative Humidity is ----> %.2f %%" %humidity)
			red.off()
			green.off()
			blue.on()
		elif fahrTemp <= 32:
			print(Fore.BLUE + Style.BRIGHT + "Temperature is ----> %.2f" %fahrTemp,deg_f)
			print("Relative Humidity is ----> %.2f %%" %humidity)
			red.off()
			green.off()
			blue.blink()
		else:
			red.off()
			green.off()
			blue.off()
		time.sleep(10)
		os.system('clear')
	
except KeyboardInterrupt:
	GPIO.cleanup()