import os
os.environ['SDL_VIDEO_WINDOW_POS'] = "100,100"
os.chdir(os.path.dirname(__file__))
from typing import TYPE_CHECKING
if TYPE_CHECKING:
    from pgzero.builtins import screen, Actor, keyboard, keys


import pgzrun
import math
from pgzhelper import *
import random

# Screen dimensions (Bigger than Scratch!)
WIDTH = 960
HEIGHT = 540

state = { #variables we might use in other functions
    "score" : 0,
    "lives" : 0, # not used
    "gameover":False
}

fox = Actor("fox")
fox.scale = 0.3
fox.x = 960
fox.y = 540
rabbit = Actor("rabbit")
rabbit.scale = 0.3
carrot = Actor("carrot")
carrot.scale = 0.1

gold_fox = Actor("gold_fox")
gold_fox_scale = 0 # make it invisible


bg_original = pygame.image.load("images/grass.jpg") #Gotten from freepik
background = pygame.transform.scale(bg_original, (WIDTH, HEIGHT))


 # This is called once every frame
 # draw the background, fox, rabbit and carrot
def draw():
    if(state['gameover'] == True):
        screen.clear()
        screen.draw.text("Ya Lost! \n Final Score: "+str(state["score"])+"\nPress Space to Restart", center=(480, 270),fontsize=32,color=(255,255,255)) 

    else:
        screen.clear()
        screen.blit(background, (0, 0))
        screen.draw.text("Score: " + str(state["score"]), center=(840, 30),fontsize=32,color=(0,0,0)) # 0, 0 is the top left
        
        fox.draw()
        rabbit.draw()
        carrot.draw()



def on_mouse_move(pos):
    # 'pos' is a tuple (x, y) provided by Pygame Zero
    rabbit.pos = pos


# Make the fox point towards the rabbit
# Move it 5 steps
# ------- The above 2 lines uses th pgzhelper library for math ------
# Check collision for carrot and fox - Note also uses pgzhelper for pixel collision
def update():
     
    angle_to_target = fox.angle_to(rabbit)
    fox.angle = angle_to_target
    fox.point_towards(rabbit)
    fox.move_forward(5)

    if(rabbit.collide_pixel(carrot)): # if rabbit touches carrot
        state["score"] = state["score"]+1
        carrot.x = random.randint(0, WIDTH)
        carrot.y = random.randint(0, HEIGHT)

    if(rabbit.collide_pixel(fox)): # they lose
        state['gameover'] = True

    

     
def on_key_down(): # Reset the Game
    if keyboard[keys.SPACE] == True:
        #print("test")
        state['gameover'] = False
        state['score'] = 0
        fox.x = 960
        fox.y = 540

pgzrun.go()