import sys
from pygame import mixer
import time
import digitalio
import board
import adafruit_matrixkeypad
import pygame
import digitalio
import board
import RPi.GPIO as GPIO
from time import sleep

GPIO.setmode(GPIO.BCM)

GPIO.setup(47, GPIO.OUT)
cols = [digitalio.DigitalInOut(x) for x in (board.D21, board.D20, board.D16, board.D12)]
rows = [digitalio.DigitalInOut(x) for x in (board.D26, board.D13, board.D6, board.D5)]

keys = ((15, 14, 13, 12),
		(11, 10, 9, 8),
		(7, 6, 5, 4),
		(3, 2, 1, 0))


keypad = adafruit_matrixkeypad.Matrix_Keypad(rows, cols, keys)

pygame.init()
mixer.init()
mixer.set_num_channels(32)
done = False
clock = pygame.time.Clock()
TIMER = pygame.USEREVENT + 1
playhead = 0

timer = pygame.time.get_ticks
start = now = timer()

cs_pin = digitalio.DigitalInOut(board.CE0)
dc_pin = digitalio.DigitalInOut(board.D25)
reset_pin = None
BAUDRATE = 64000000 

spi = board.SPI()

class Prog:
	def __init__(self):
		self.keys = []
		self.keyState = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
		

	class SoundSlot:
		def __init__(self, file, obj_id, o):
			self.file = file

	def Execute(self):
		self.keys = keypad.pressed_keys
		self.update_keys()
		#self.FSM.Execute()

	def update_keys(self):
		_id = 0 
		for k in self.keyState:
			if k == 0:
				if _id in self.keys:
					self.keyState[_id] = 1
					print('key on ', _id)

			elif k == 1:
				if _id in self.keys:
					self.keyState[_id] = 2
				else:
					self.keyState[_id] = 3
			elif k == 2:
				if _id in self.keys:
					self.keyState[_id] = 2
				else:
					self.keyState[_id] = 3
			else:
				self.keyState[_id] = 0
			_id += 1


p = Prog()
	
while not done:
	p.Execute()
	if pygame.event.get(pygame.USEREVENT + 1):
		
		p.playhead += 1

	clock.tick_busy_loop()
	#print(clock.get_fps())

pygame.quit()