#!/usr/bin/env python3
import time
import threading
import RPi.GPIO as GPIO
from RPLCD.i2c import CharLCD

# GPIO pin setup for buttons
BUTTON_START_STOP = 17
BUTTON_NEXT = 27
BUTTON_TEAM1 = 22

GPIO.setmode(GPIO.BCM)
GPIO.setup(BUTTON_START_STOP, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(BUTTON_NEXT, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(BUTTON_TEAM1, GPIO.IN, pull_up_down=GPIO.PUD_UP)

# LCD setup (adjust address and cols/rows if needed)
lcd = CharLCD('PCF8574', 0x27)

# Game variables
team1_score = 0
team2_score = 0
timer_running = False
timer_thread = None
seconds = 0
winner_displayed = False

# Timer function
def timer():
	global seconds, timer_running
	while timer_running:
		seconds += 1
		time.sleep(1)

def update_lcd():
	global winner_displayed
	lcd.clear()
	if winner_displayed:
		if team1_score >= 7:
			lcd.write_string("Team 1 Wins!")
		elif team2_score >= 7:
			lcd.write_string("Team 2 Wins!")
	else:
		lcd.write_string(f"T1:{team1_score} T2:{team2_score}")
		lcd.crlf()
		lcd.write_string(f"Time: {seconds}s")

def start_stop_timer(channel):
	global timer_running, timer_thread
	if not timer_running:
		timer_running = True
		threading.Thread(target=timer, daemon=True).start()
	else:
		timer_running = False

def next_pressed(channel):
	global team1_score, team2_score, winner_displayed
	if not winner_displayed:
		team2_score += 1
		check_winner()
	update_lcd()

def team1_pressed(channel):
	global team1_score, winner_displayed
	if not winner_displayed:
		team1_score += 1
		check_winner()
	update_lcd()

def check_winner():
	global winner_displayed, timer_running
	if team1_score >= 7 or team2_score >= 7:
		winner_displayed = True
		timer_running = False

# Attach button event listeners
GPIO.add_event_detect(BUTTON_START_STOP, GPIO.FALLING, callback=start_stop_timer, bouncetime=300)
GPIO.add_event_detect(BUTTON_NEXT, GPIO.FALLING, callback=next_pressed, bouncetime=300)
GPIO.add_event_detect(BUTTON_TEAM1, GPIO.FALLING, callback=team1_pressed, bouncetime=300)

try:
	while True:
		update_lcd()
		time.sleep(0.5)
except KeyboardInterrupt:
	GPIO.cleanup()
	lcd.clear()