# python3
# Steady hands game
# run with - sudo python3 Steady.py

import RPi.GPIO as GPIO # get the library to access the GPIO pins
import time

# use BCM GPIO numbering - use anything else and you are an idiot!
GPIO.setmode(GPIO.BCM)

# set up GPIO input pins
#   (pull_up_down be PUD_OFF, PUD_UP or PUD_DOWN, default PUD_OFF)
GPIO.setup(4, GPIO.IN, pull_up_down=GPIO.PUD_UP)
# GPIO 0 & 1 have hardware pull ups fitted in the Pi so don't enable them
GPIO.setup(0, GPIO.IN, pull_up_down=GPIO.PUD_OFF)
GPIO.setup(1, GPIO.IN, pull_up_down=GPIO.PUD_OFF)
# uncomment these next two lines if you have an issue 2 board
#GPIO.setup(2, GPIO.IN, pull_up_down=GPIO.PUD_OFF)
#GPIO.setup(3, GPIO.IN, pull_up_down=GPIO.PUD_OFF)


print("Hi from Python :- Steady Hands game")
start_rest = 4
end_rest = 0 # change to 2 if you have an issue 2 board
wire = 1 # change to 3 if you have an issue 2 board

while True:
#1) Wait until the loop is placed on the start rest.
 print("Move the loop to the start rest")
 while GPIO.input(start_rest) != 0: # returns 0 when loop is on the start rest
   time.sleep(0.8)

#now we are at the start of the bent wire
 print("Start when you are ready")
#2) Wait until the loop is removed from the start rest.
 while GPIO.input(start_rest) == 0: # returns 0 when loop is on the start rest
   time.sleep(0.1)
 print("Your off")
#3) Time the interval from lifting it off the start rest until it reaches the end
 penalty = 0
 run_time = time.clock()

 while GPIO.input(end_rest) != 0: #returns 0 when loop is on the end rest
    if GPIO.input(wire) == 0: #returns 0 when the loop is touching the wire
      penalty = penalty + 1
      print("Penalties total", penalty, " points")
      time.sleep(0.07)
 score = time.clock() - run_time + (penalty * 0.07)
 print("The run time was", score, "seconds with", penalty, "Penalty points")
#finished a run so start again