from machine import Pin
from time import sleep
import lcd
import ramdom

lcd_rs = Pin(12, Pin.OUT)
lcd_e = Pin(11, Pin.OUT)
lcd_d4 = Pin(10, Pin.OUT)
lcd_d5 = Pin(9, Pin.OUT)
lcd_d6 = Pin(8, Pin.OUT)
lcd_d7 = Pin(7, Pin.OUT)
button = Pin(14, Pin.IN)


lcd.init(lcd_rs, lcd_e, lcd_d4, lcd_d5, lcd_d6, lcd_d7,)
lcd.clear()

lcd.load_custom_chars()
player_col = 1
player_row = 1
previous_button = 0

obstacle_col = 15
obstacle_row = random.randint(0,1)

while True:
  current_button = button.value()
    if current_button == 1 and previous_button == 0:
      if player_row == 1:
        player_row = 0
      else:
        player_row = 1
      previous_button = current_button

      lcd.setCursor(player_col, player_row)
      lcd.print(chr(0))
      lcd.setCursor(obstacle_col, obstacle_row)
      lcd.print(chr(1))

      #check for collision
      if obstacle_col == player_col and obstacle_row == player_row:
        lcd.setCursor(0,0)
        lcd.print("Game Over!")
        lcd.setCursor(0,1)
        lcd.print("Restarting . . . ")
        sleep(2)

      #reset game state
      player_row = 1
      obstacle_col = 5
      obstacle_row = ramdom.randint(0,1)
      lcd.cleart()
      continue

    #move obstacle to left
    obstacle_col = obstacle_col - 1
    if obstacle_col < 0:
      obstacle_col = 15
      obstacle_row = ramdom.randint(0,1)
      sleep(0.15)