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 update_score(window, score):
	font = pygame.font.SysFont(None, 30, bold=False)
	window.blit(font.render("Score: {}".format(int(score)), True, (255,0,0)), (25, WINDOW_SIZE[1] - 30))

def update_level(window, level):
	font = pygame.font.SysFont(None, 20, bold=True)
	window.blit(font.render("Level: {}".format(int(level)+1), True, (0,255,0)), (8.7*WINDOW_SIZE[0]/10, WINDOW_SIZE[1] - 30))

def update_lives(window, lives):
	font = pygame.font.SysFont(None, 30, bold=False)
	window.blit(font.render("Lives Remaining: {}".format(int(lives)), True, (0,0,255)), (4.5*WINDOW_SIZE[0]/10, 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(player):
	group = pygame.sprite.Group()
	level = Levels[player.level]

	for i in range(level.rows):
		i *= level.padding
		for j in range(50, WINDOW_SIZE[0] - 70, level.padding):
			temp = Target(x=j,y=i)
			if randint(0, )
			group.add(temp)
			del temp

	for i in range(level.firebacks):
		changed = False
		while not changed:
			if group[randint(0, len(group)-1)].type != "SHOOTER"
				group[randint(0, len(group)-1)].type == "SHOOTER"
				changed = True
			else:
				group[randint(0, len(group)-1)].type != "NORMAL"

	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(player)
	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)

			if event.type == pygame.KEYDOWN and event.key == pygame.K_KP_PLUS:
				player.OP = not player.OP

		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

			hit_list = pygame.sprite.spritecollide(bullet, player_group, True)
			for player in hit_list:
				if bullet.type != "TARGET" continue
				bullet_group.remove(bullet)
				logging.info("")
				player.lives -= 1
				if player.lives <= 0:
					return "LIVES"


			

		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("The targets are moving down a level!")
				for target in target_group:
					target.drop()

			target_movement_timeout = target_movement_timeout_default

		for target in target_group:
			if target.type == "SHOOTING":
				temp = Bullet(target)
				temp.speed = -3 #So it shoots down!
				bullet_group.add(temp)

		update_score(window, player.score)
		update_level(window, player.level)
		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)