import time
from sense_hat import SenseHat, ACTION_PRESSED, ACTION_HELD, ACTION_RELEASED
import os

sense = SenseHat()
sense.rotation = 180
linebreak = "--------------"

def writfile():
    file = open("tmp.txt", "a")
    file.write((time.strftime("%d/%m/%Y - %H:%M:%S") + "\n"))
    file.write(msgt + "\n")
    file.write(msgp + "\n")
    file.write(msgh + "\n")
    file.write(linebreak + "\n")


def consoleprint():
    print(time.strftime("%d/%m/%Y - %H:%M:%S"))
    print(msgt)
    print(msgp)
    print(msgh)
    print(linebreak)


def matrixprint():
    sense.show_message(msgt, scroll_speed=0.08, back_colour=bg)
    sense.load_image("space_invader.png")
    time.sleep(1)
    sense.show_message(msgp, scroll_speed=0.08, back_colour=bg)
    sense.load_image("space_invader.png")
    time.sleep(1)
    sense.show_message(msgh, scroll_speed=0.08, back_colour=bg)
    sense.load_image("space_invader.png")
    time.sleep(1)


while True:

    # Formula to get more accurate temp
    temp = sense.get_temperature()
    t = os.popen('/opt/vc/bin/vcgencmd measure_temp')
    cputemp = t.read()
    cputemp = cputemp.replace('temp=', '')
    cputemp = cputemp.replace('\'C\n', '')
    cputemp = float(cputemp)
    newtemp = temp - ((cputemp - temp) / 2 )

    p = sense.get_pressure()
    h = sense.get_humidity()

    p = round(p, 1)
    h = round(h, 1)
    newtemp = round(newtemp, 1)

    if newtemp > 18 and newtemp < 30: # Changes background color depending on degrees
        bg = [0, 100, 0]  # green
    elif newtemp < 10:
        bg = [0, 0, 100]  # red
    else:
        bg = [100, 0, 0]

    msgt = "T: %sC" % (newtemp)
    msgp = "P: %s hPa" % (p)
    msgh = "H: %s%% rH" % (h)

    consoleprint()  # See function
    writfile()  # See function
    matrixprint()  # See function