import board
import digitalio
import analogio
import usb_hid
import time
from adafruit_hid.mouse import Mouse

# --- Initialisierung ---
# LED an GP8 dauerhaft an
led = digitalio.DigitalInOut(board.GP8)
led.direction = digitalio.Direction.OUTPUT
led.value = True

mouse = Mouse(usb_hid.devices)

# Joystick Pins (Invertiert: * -1)
adc_lx = analogio.AnalogIn(board.A3) # Links/Rechts
adc_ly = analogio.AnalogIn(board.GP28) # Oben/Unten
adc_rx = analogio.AnalogIn(board.GP26)
adc_ry = analogio.AnalogIn(board.GP27)

# Matrix Pins
line_pins = [digitalio.DigitalInOut(getattr(board, f"GP{i}")) for i in range(2, 8)]

def scan_matrix():
    # Matrix-Scan mit kleiner Pause für Stabilität
    for i in range(len(line_pins)):
        line_pins[i].switch_to_output(value=False)
        for j in range(len(line_pins)):
            if i != j:
                line_pins[j].switch_to_input(pull=digitalio.Pull.UP)
                if not line_pins[j].value:
                    pair = tuple(sorted((i + 2, j + 2)))
                    # Kurzes Debouncing
                    time.sleep(0.01)
                    if not line_pins[j].value:
                        line_pins[i].switch_to_input(pull=digitalio.Pull.UP)
                        return pair
        line_pins[i].switch_to_input(pull=digitalio.Pull.UP)
    return None

def handle_input(pair):
    if pair == (2, 5): 
        mouse.click(Mouse.LEFT_BUTTON)
    elif pair == (2, 3): 
        mouse.click(Mouse.RIGHT_BUTTON)

# Hauptschleife
is_locked = False
while True:
    # 1. Matrix scannen
    current_pair = scan_matrix()
    if current_pair:
        if not is_locked:
            handle_input(current_pair)
            is_locked = True
    else:
        is_locked = False

    # 2. Joystick Mausbewegung
    # Durch Umkehr der Vorzeichen (-1) werden die Richtungen getauscht
    x_val = (adc_lx.value / 65535 * 254) - 127
    y_val = (adc_ly.value / 65535 * 254) - 127
    
    x_move = int(x_val * -1)
    y_move = int(y_val * -1)
    
    # Deadzone
    if abs(x_move) > 15 or abs(y_move) > 15:
        mouse.move(x=x_move // 10, y=y_move // 10)
    
    time.sleep(0.01) # Stabilitäts-Pause für USB-Polling