import turtle
import time
import random

delay = 0.1

score = 0
f = open(r'C:\Users\Dani2000\Desktop\SnakeGame', 'rb')
high_score = f

#set up the screen
ge = turtle.Screen()
ge.title("Snake game")
ge.bgcolor("black")
ge.setup(width = 600, height = 600)
ge.tracer(0)

#Snake Head
head = turtle.Turtle()
head.speed(0)
head.shape("square")
head.color("yellow")
head.penup()
head.goto(0,0)
head.direction = "stop"

#snake's food
food = turtle.Turtle()
food.speed(0)
food.shape("square")
food.color("red")
food.penup()
food.goto(0,150)

body = []

pen = turtle.Turtle()
pen.speed(0)
pen.shape("square")
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0, 260)
pen.write("Score: 0     High Score: ", high_score, align="center", font=("Light", 20, "bold italic"))

#Functions
def go_up():
    if head.direction != "down":
        head.direction = "up"

def go_right():
    if head.direction != "left":
        head.direction = "right"

def go_left():
    if head.direction != "right":
        head.direction = "left"

def go_down():
    if head.direction != "up":
        head.direction = "down"


def move():
    if head.direction == "up":
        y = head.ycor()
        head.sety(y + 20)

    if head.direction == "down":
        y = head.ycor()
        head.sety(y - 20)

    if head.direction == "left":
        x = head.xcor()
        head.setx(x - 20)

    if head.direction == "right":
        x = head.xcor()
        head.setx(x + 20)

#keyboard
ge.listen()
ge.onkeypress(go_up, "w")
ge.onkeypress(go_right, "d")
ge.onkeypress(go_down, "s")
ge.onkeypress(go_left, "a")


#main game loop
while True:
    ge.update()

    #f = open('High_Score.txt', 'r')

    if head.xcor() > 290 or head.xcor() < -290 or head.ycor() > 290 or head.ycor() < -290:
        #time.sleep(1)
        #head.goto(0,0)
        #head.direction = "stop"
        pen.write("Game Over", align="center", font=("Light", 25, "bold italic"))
        f = open(r'C:\Users\Dani2000\Desktop\SnakeGame', 'w')
        f.close()
        #ge._root.mainloop()
        ge.exit()

        for i in body:
            i.goto(1000,1000)
        body.clear()

        score = 0
        pen.clear()
        pen.write("Score: {}    High Score: {}".format(score, high_score),
            align="center", font=("Light", 20, "bold italic"))


    if head.distance(food) < 20:
        x = random.randint(-285, 285)
        y = random.randint(-285, 285)
        food.goto(x, y)
        newBody = turtle.Turtle()
        newBody.speed(0)
        newBody.shape("square")
        newBody.color("yellow", "green")
        newBody.penup()
        body.append(newBody)

        score += 5
        if score > high_score:
            high_score = score

        pen.clear()
        pen.write("Score: {}    High Score: {}".format(score, high_score),
            align="center", font=("Light", 20, "bold italic"))


    for i in range(len(body)-1, 0, -1):
        x = body[i-1].xcor()
        y = body[i-1].ycor()
        body[i].goto(x, y)

    if len(body) > 0:
        x = head.xcor()
        y = head.ycor()
        body[0].goto(x,y)



    move()

    for i in body:
        if i.distance(head) < 20:
            #time.sleep(1)d
            #head.goto(0, 0)
            #head.direction = "stop"

            #for i in body:
            #    i.goto(1000,1000)
            #body.clear()
            f = open(r'C:\Users\Dani2000\Desktop\SnakeGame', 'w')
            f.close()
            ge.exit()



    time.sleep(delay)


ge.mainloop()