import pygame
import sys
import os

# Change current working directory to file location. Solves problem with relative path of images
os.chdir(sys.path[0])

# initialize pygame s.t. is ready to use
pygame.init()

# GAME CONSTANTS
WIDTH = 1000
HEIGHT = 600

# create display you're going to see when playing the game, determine windows size
screen = pygame.display.set_mode((WIDTH,HEIGHT))

# label windows, typically game name
pygame.display.set_caption("My Game")
clock = pygame.time.Clock()

# CREATE SPRITES, LOAD IMAGES, TEXT...
# CREATE PLAYER ()
player_surface = pygame.Surface((80,150))
player_surface.fill('blue')
player_rect = player_surface.get_rect(bottomleft = (20,500))
# load image for background, convert png/jpg to something pygame can deal better with (use .convert() or .convert_alpha() for non-rectangular images)
background_surface = pygame.image.load(os.path.join('data','town_bg_2x_600.png')).convert()
background_rect = background_surface.get_rect(topleft = (0,0))
# font and text
my_font = pygame.font.Font(None,50) # set font type and size, use other fonts by adding respective file in folder and give reference here
text = my_font.render('',False,'red') # 2nd argument is anti-aliasing, set False for pixel art

# permanent game loop
while True:
    # Deal with key events
    for event in pygame.event.get():
        # Exit app if click quit button
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()
            
    # Naviation of player
    keys = pygame.key.get_pressed()
    if keys[pygame.K_SPACE]:
        pass

    # DISPLAY
    screen.blit(background_surface,background_rect)
    screen.blit(text,(400,50))
    screen.blit(player_surface,player_rect)

    # COLLISION DETECTION

    # Update everything
    pygame.display.update()

    # Set maximum frame rate, typically to 60(fps) -> have at most 60fps
    clock.tick(60)