# import modules
########################################
from machine import Pin, PWM
from time import sleep
import utime




# set up pins
#############################################
red   = Pin(11, Pin.OUT)
amber = Pin(12, Pin.OUT)
green = Pin(13, Pin.OUT)
buzzer = Pin(21, Pin.OUT)
button = Pin(0, Pin.IN, Pin.PULL_DOWN)

# keypad map
#############################################
matrix_keys = [  ['1', '2', '3'],
                 ['4', '5', '6'],
                 ['7', '8', '9'],
                 ['*', '0', '#']]

# keypad pins to connections
#############################################
keypad_rows = [9,8,7,6]
keypad_cols = [5,4,3]

# intialises empty lists to set up pins
#############################################
col_pins = []
row_pins = []

#key stuff
################################################
secrets =[]
passcode1 = [1, 3]
passcode2 = [6, 6]

# loop to assign GPIO pins and setup input and outputs
#############################################
for x in range(0,4):
    row_pins.append(Pin(keypad_rows[x], Pin.OUT))
    row_pins[x].value(1)
for x in range(0,3):
    col_pins.append(Pin(keypad_cols[x], Pin.IN, Pin.PULL_DOWN))
    col_pins[x].value(0)

# buzzer
#############################################



# main code
#############################################
buttonState = 0
prevState   = 0
latchOn     = False

# when button is pressed
	##if(buttonState != prevState):
		
		#check pressed (as opposed to letting go)
		
			#change the latch variable
			######if(latchOn ==1):
			 ###True):
				###latchOn = False
		##if(latchOn == False):
			##	latchOn = True
	
	# use latch variable to turn LED on and off
	
        ##morse code for sum of 13
def scankeys():
    for row in range(4):
        for col in range(3):
            row_pins[row].high()
            key = None
                ##if(latchOn == True):
            ##while True:
                ##buttonState = button.value()
                ##if button.value():

                    ## if buzzer on this off
            if col_pins[col].value() == 1:
                print("You have pressed:", matrix_keys[row][col])
                key_press1 = matrix_keys[row][col]
                key_press2 = matrix_keys[row][col]
                if(key_press1 == matrix_keys[0][0]):
                    buzzer.value(1)
                    sleep(1)
                    buzzer.value(2)
                    sleep(1)   
                    answer1 = True    
                            ##green light and buzzer noise
                            ##if key != 1 redlight and same for alll the others thank you                         
                if(key_press2 == matrix_keys[0][2]):
                    answer2 = True
                        ##if (answer2 == True):
                           ## print('correct')
                                ##green light and buzzer noise

                    ##morse code for sum of 65
                    ## if buzzer on this on
            if col_pins[col].value() == 1:
                print("You have pressed:", matrix_keys[row][col])
                key_press3 = matrix_keys[row][col]
                key_press4 = matrix_keys[row][col]
                if(key_press3 == matrix_keys[1][2]):
                    answer1 = True
                            ##green light and buzzer noise
                if(key_press4 == matrix_keys[1][1]):
                    answer2 = True
                    if (answer2 == True):
                        print('correct');
                                ## morse code for the answer of book
                                ##victory ligths and buzzer

                utime.sleep(0.3)

        row_pins[row].low()
        answer= False
    else:
        print("its over")       

while True:
    scankeys()




### An initial way to start up the keypad for morse code to be able to hack section ###





### Morse code section ###

red.on()
amber.on()
green.on()
sleep(1)
red.off()
green.off()
amber.off()
sleep(1)
amber()