""" I WOULD FINISH THIS BUT SINCE ITS IMPOSSIBLE TO DELETE TURTLES, THE GAME GETS EXTREMELY LAGGY. I WILL NOW WORK ON PACMAN. """




from turtle import *
import time
import re
from tkinter import messagebox
import tkinter

# Name Definition
name = input("What is your name?")
while ":" in name:
    name = input("Sorry, please do not use a colon in your name.")

# Keybind Setup (Quite inefficient)
def wasdSetup():
    global leftBind
    global rightBind
    global keybinds
    leftBind = "a"
    rightBind = "d"
    keybinds = "WD"
    tk.destroy()
def arrowSetup():
    global leftBind
    global rightBind
    global keybinds
    leftBind = "Left"
    rightBind = "Right"
    keybinds = "ARROWS"
    tk.destroy()

# Button Widgets
tk = tkinter.Tk()
tk.title("Choose your input method.")
tk.minsize(500, 100)
tk.resizable(False, False)
frame = tkinter.Frame(tk)
frame.pack()
option1 = tkinter.Button(frame, text = "WD", command = wasdSetup)
option1.pack(side = tkinter.LEFT)
option2 = tkinter.Button(frame, text = "Arrows", command = arrowSetup)
option2.pack(side = tkinter.RIGHT)
tk.mainloop()

# Window Setup
window = Screen()
def windowSetup(): # Function so it can be called at end of game
    width = 600
    height = 600
    window.setup(width, height)
    window.tracer(0) # Turn off automatic window updates
    window.bgcolor("#000000")
    window.title("Space Invaders")
windowSetup()

# Player setup
player = Turtle()
player.speed(0)
player.facing = "idle" # Start without moving
player.shape("square")
player.color("#ffffff")
player.penup()
player.goto(0, -280)

# Enemy variables
eVar = Turtle()
eVar.movementsNeeded = 4
eVar.movementsComplete = 0
eVar.movementDirection = "right"

# Shape registry
window.register_shape("bullet.gif")

# Score turtle
currentScore = Turtle()
currentScore.hideturtle()

bullets = []
enemies = []

delay = 0.075

score = 0

def left():
    player.facing = "left"
def right():
    player.facing = "right"

def shoot():
    bullet = Turtle()
    bullet.speed(0)
    bullet.shape("bullet.gif")
    bullet.penup()
    bullet.goto(player.xcor(), player.ycor() + 20)
    bullets.append(bullet)

def cheat():
    xPos = -200
    yPos = -200
    for i in range(54):
        bullet = Turtle()
        bullet.speed(0)
        bullet.shape("bullet.gif")
        bullet.penup()
        bullet.goto(xPos, yPos)
        bullets.append(bullet)
        xPos += 30
        if xPos > 250:
            yPos += 30
            xPos = -250

# Keybind listener
window.listen()
window.onkeypress(left, leftBind)
window.onkeypress(right, rightBind)
window.onkeypress(shoot, "space")
window.onkeypress(cheat, "c")

def createEnemies(amount):
    xPos = -200
    yPos = 270
    for i in range(amount):
        enemy = Turtle()
        enemy.speed(0)
        enemy.shape("square")
        enemy.color("#ffffff")
        enemy.penup()
        enemy.downRequired = False
        enemy.movementDir = "right"
        enemy.movedDown = False
        enemy.goto(xPos, yPos)
        enemies.append(enemy)
        xPos += 30
        if xPos > 200:
            yPos -= 30
            xPos = -200

def movePlayer():
    if player.facing == "left":
        player.setx(player.xcor() - 20)
    if player.facing == "right":
        player.setx(player.xcor() + 20)

def moveBullets():
    for bullet in bullets:
        if bullet.ycor() < 320:
            bullet.sety(bullet.ycor() + 20)
        else:
            bullets.remove(bullet)

def moveEnemies():
    print(score)
    for e in enemies:
        if eVar.movementDirection == "right":
            e.setx(e.xcor() + 20)
        elif eVar.movementDirection == "left":
            e.setx(e.xcor() - 20)
    eVar.movementsComplete += 1

createEnemies(42)

enemyMovementDelay = 10
enemyMovementCounter = 0
hasMovedCounter = 0
# Constant loop
while True:
    window.update()

    if len(enemies) == 0:
        createEnemies(42)
        score += 1000
        if enemyMovementDelay != 3:
            enemyMovementDelay -= 1
        enemyMovementCounter = 0
        eVar.movementsNeeded = 4
        eVar.movementsComplete = 0
        eVar.movementDirection = "right"

    # Write score
    currentScore.clear()
    currentScore = Turtle()
    currentScore.pencolor("#ffffff")
    currentScore.hideturtle()
    currentScore.penup()
    currentScore.speed(0)
    currentScore.goto(-270, -270)
    currentScore.write(score, font=("Arial", 25, "normal"))

    if player.xcor() > 290:
        player.goto(player.xcor() - 580, player.ycor())
    elif player.xcor() < -290:
        player.goto(player.xcor() + 580, player.ycor())

    movePlayer()
    moveBullets()

    if enemyMovementCounter == enemyMovementDelay:
        if eVar.movementsComplete == eVar.movementsNeeded:
            for e in enemies:
                e.sety(e.ycor() - 20)
                eVar.movementsComplete = 0
                eVar.movementsNeeded = 8
                enemyMovementCounter = 0
            if eVar.movementDirection == "right":
                eVar.movementDirection = "left"
            else:
                eVar.movementDirection = "right"
        else:
            moveEnemies()
            enemyMovementCounter = 0

    for e in enemies:
        for b in bullets:
            if e.distance(b) < 20:
                    enemies.remove(e)
                    e.goto(-1500, -1500)
                    bullets.remove(b)
                    b.reset()
                    score += 10


    enemyMovementCounter += 1
    hasMovedCounter += 1
    time.sleep(delay)