#!/usr/bin/env python
# coding=utf-8

# import libs
from lib_oled96 import ssd1306
from smbus import SMBus
from PIL import ImageFont
import sys

# setup display
i2cbus = SMBus(1)                       # 0 = Raspberry Pi 1, 1 = Raspberry Pi > 1
oled = ssd1306(i2cbus)

# const
draw = oled.canvas
# Schriftarten festlegen
FreeSans12 = ImageFont.truetype('FreeSans.ttf', 12)
FreeSans20 = ImageFont.truetype('FreeSans.ttf', 20)
FreeSansBold30 = ImageFont.truetype('FreeSansBold.ttf', 30)


#variables to set
#for thext
#offset temperature is the temperature that will be used to display a real LCD temp
#best value is 53
offsettemp=53

#for diagram
#mintemp is room temperature in Celsius for your area
mintemp=18.0

#maxtemp is the temperature the diagram should scale to
#you should use 120°C-offsettemp=maxtemp
maxtemp=67

# delete display at startup
oled.cls()
oled.display()

draw.rectangle((2, oled.height-float(sys.argv[1]), 10, oled.height-1), outline=1, fill=1)       # Rechteck
draw.rectangle((12, oled.height-float(sys.argv[2]), 20, oled.height-1), outline=1, fill=1)      # Rechteck
draw.rectangle((22, oled.height-float(sys.argv[3]), 30, oled.height-1), outline=1, fill=1)      # Rechteck
draw.rectangle((32, oled.height-float(sys.argv[4]), 40, oled.height-1), outline=1, fill=1)      # Rechteck
draw.rectangle((42, oled.height-float(sys.argv[5]), 50, oled.height-1), outline=1, fill=1)      # Rechteck

draw.text((64, 1), str(int(float(sys.argv[1]))+int(offsettemp)), font=FreeSansBold30, fill=1)
draw.text((64, 32), "\xb0C", font=FreeSansBold30, fill=1)


# write data to display
oled.display()