import pygame, logging
from time import time
from random import randint
import bullet, player, textures
from bullet import Bullet
from player import Shooter
from assets import Textures, Levels
from target import Target

PLAYING_GAME = False
WINDOW_SIZE = (640,480)
FPS = 120

def rounding(x, base): return int(base * round(float(x)/base))

def update_score(window, score):
	font = pygame.font.SysFont(None, 30, bold=False)
	window.blit(font.render("Score: {}".format(int(score)), True, (12,123,190)), (50, WINDOW_SIZE[1] - 30))

def initialise(menu, options):
	pygame.mixer.pre_init(44100, -16, 2, 2048)
	pygame.init()
	window = pygame.display.set_mode(WINDOW_SIZE)

	exit_code = play(window) # Run main game loop

	if exit_code == "QUIT":
		pygame.quit()

	menu.deiconify()
	return exit_code


def generate_targets():
	group = pygame.sprite.Group()
	for i in range(5): # Number of rows
		i *= 25
		for j in range(50, WINDOW_SIZE[0] - 70, 30):
			#logging.debug("Target generated with position ({},{})".format(j,i))
			temp = Target(x=j,y=i)
			group.add(temp)
			del temp			
	return group
		

def play(window):
	window_rect = window.get_rect()

	player = Shooter(window=window)
	player.set_position(WINDOW_SIZE[0]/2, WINDOW_SIZE[1]*0.83)
	player_group = pygame.sprite.Group()
	player_group.add(player)
	player_group.draw(window)

	target_group = generate_targets()
	bullet_group = pygame.sprite.Group()

	clock = pygame.time.Clock()
	PLAYING_GAME = True
	target_movement_timeout_default = FPS * 0.5
	target_movement_timeout = target_movement_timeout_default

	while PLAYING_GAME:
		window.fill((0,0,0))
		player_group.update()


		for event in pygame.event.get():
			if event.type == pygame.QUIT:
				logging.critical("Exiting Game...")
				PLAYING_GAME = False
				return "QUIT"

			if event.type == pygame.KEYDOWN and event.key == pygame.K_SPACE:
				temp = Bullet(player)
				bullet_group.add(temp)


		keys = pygame.key.get_pressed()
		if keys[pygame.K_RIGHT] or keys[pygame.K_d]:
			player.move(player.speed)

		if keys[pygame.K_LEFT] or keys[pygame.K_a]:
			player.move(-player.speed)

		if keys[pygame.K_KP4] and keys[pygame.K_KP5] and keys[pygame.K_KP6] and player.OP:
			temp = Bullet(player)
			bullet_group.add(temp)


		for sprite in bullet_group:
			if not sprite.at_top():
				sprite.update()
			if sprite.rect.y < 0:
				bullet_group.remove(sprite)


		for bullet in bullet_group:
			hit_list = pygame.sprite.spritecollide(bullet, target_group, True)
			for target in hit_list:
				target_group.remove(target)
				bullet_group.remove(bullet)
				logging.info("Hit Target!")
				player.score += 1


		if target_movement_timeout <=0:
			drop_targets = False
			for target in target_group:
				target.move()
				if target.rect.x <= 20 or target.rect.x >=WINDOW_SIZE[0] - 20 + target.width:
					drop_targets = True

				if target.rect.y >= player.rect.y + 10:
					PLAYING_GAME = False
					for target in target_group:
						target.image.fill((255,0,0))
					return "player collision"

			if drop_targets:
				logging.debug("drop")
				for target in target_group:
					target.drop()

			target_movement_timeout = target_movement_timeout_default




		update_score(window, player.score)
		player_group.update()
		bullet_group.draw(window)
		target_group.draw(window)
		player_group.draw(window)
		pygame.display.update()
		target_movement_timeout -= 1
		clock.tick(FPS)

if __name__ == "__main__":
	logging.basicConfig(format="%(levelname)s:%(message)s", level=logging.DEBUG)
	initialise(None, None)