# Select Game = F1
# Reset Game = F2
# Color TV = F3
# Black/White TV = F4
# Left Player Difficulty A = F5
# Left Player Difficulty B = F6
# Right Player Difficulty A = F7
# Right Player Difficulty B = F8

# Reset/Select Combo = Left-Control + Q


import uinput
import RPi.GPIO as GPIO
import time

GPIO.setmode(GPIO.BCM)  #GPIO.BCM uses the GPIO port name for reference

GPIO.setup(16, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(19, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(20, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(21, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(26, GPIO.IN, pull_up_down=GPIO.PUD_UP)

# GPIO19 = Color/B&W
# GPIO16 = Left Difficulty
# GPIO20 = Right Difficulty
# GPIO21 = Reset
# GPIO26 = Select


device = uinput.Device([uinput.KEY_F1, uinput.KEY_F2, uinput.KEY_F3, uinput.KEY_F4, uinput.KEY_F5, uinput.KEY_F6, uinput.KEY_F7, uinput.KEY_F8, uinput.KEY_Q, uinput.KEY_LEFTCTRL, uinput.KEY_ESC])


# Booleans to keep track of the push buttons
Reset = False
Select = False


while True:
    if (GPIO.input(16)):                       # L-Diff Changed State to A
       device.emit(uinput.KEY_F6, 0)           # release F6 keyboard button
       device.emit(uinput.KEY_F5, 1)           # press F5 keyboard button

    if (not GPIO.input(16)):                   # L-Diff Changed State to B
       device.emit(uinput.KEY_F5, 0)           # release F5 keyboard button
       device.emit(uinput.KEY_F6, 1)           # press F6 keyboard button

    if (GPIO.input(20)):                       # R-Diff Changed State to A
       device.emit(uinput.KEY_F8, 0)           # release F8 keyboard button
       device.emit(uinput.KEY_F7, 1)           # press F7 keyboard button

    if (not GPIO.input(20)):                   # R-Diff Changed State to B
       device.emit(uinput.KEY_F7, 0)           # release F7 keyboard button
       device.emit(uinput.KEY_F8, 1)           # press F8 keyboard button

    if (GPIO.input(19)):                       # Color/B&W Changed State to Color
       device.emit(uinput.KEY_F4, 0)           # release F4 keyboard button
       device.emit(uinput.KEY_F3, 1)           # press F3 keyboard button

    if (not GPIO.input(19)):                   # Color/B&W Changed State to B&W
       device.emit(uinput.KEY_F3, 0)           # release F3 keyboard button
       device.emit(uinput.KEY_F4, 1)           # press F4 keyboard button

    if (not Select) and (not GPIO.input(26)):  # Select button pressed
       Select = True
       device.emit(uinput.KEY_F1, 1)           # press F1 keyboard button

    if Select and GPIO.input(26):              # Select button released
       Select = False
       device.emit(uinput.KEY_F1, 0)           # F1 keyboard button released
       device.emit(uinput.KEY_Q, 0)            # Q keyboard button released
       device.emit(uinput.KEY_LEFTCTRL, 0)     # Left Control keyboard button released

    if (not Reset) and (not GPIO.input(21)):   # Reset button pressed
       Reset = True
       device.emit(uinput.KEY_F2, 1)           # press F2 keyboard button

    if Reset and GPIO.input(21):               # Reset button released
       Reset = False
       device.emit(uinput.KEY_F2, 0)           # F2 keyboard button released
       device.emit(uinput.KEY_Q, 0)            # Q keyboard button released
       device.emit(uinput.KEY_LEFTCTRL, 0)     # Left Control keyboard button released

    if Select and Reset:
       device.emit(uinput.KEY_LEFTCTRL, 1)     # Left Control keyboard button pressed
       time.sleep(0.01)
       device.emit(uinput.KEY_Q, 1)            # Q keyboard button pressed

    time.sleep(0.2)                            # Poll every 200ms