from ctypes import *
from time import time

rl = CDLL("../_raylib-5.5_linux_amd64/lib/libraylib.so")

class Texture2D(Structure):
    _fields_ = [
        ("id", c_uint), 
        ("width", c_int), 
        ("height", c_int), 
        ("mipmaps", c_int), 
        ("format", c_int), 
    ]

class Vector2(Structure):
    _fields_ = [
        ("x", c_float), 
        ("y", c_float), 
    ]

class Color(Structure):
    _fields_ = [
        ("r", c_ubyte),
        ("g", c_ubyte),
        ("b", c_ubyte),
        ("a", c_ubyte),
    ]

rl.LoadTexture.restype = Texture2D
rl.GetFrameTime.restype = c_float
    
WINDOW_WIDTH = 800
WINDOW_HEIGHT = 600
LOGO_SCALE = 0.04
LOGO_SPEED = 300
BLACK = Color(r=0,g=0,b=0,a=255)
WHITE = Color(r=255,g=255,b=255,a=255)


rl.InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Raylib in Python")
rl.SetTargetFPS(60)
rl.SetRandomSeed(int(time()))

logo_texture: Texture2D = rl.LoadTexture(b"./python_logo.png")

logo_width = int(logo_texture.width * LOGO_SCALE)
logo_height = int(logo_texture.height * LOGO_SCALE)

x = rl.GetRandomValue(0, WINDOW_WIDTH - logo_width)
y = rl.GetRandomValue(0, WINDOW_HEIGHT - logo_height)

dx = LOGO_SPEED * (-1 if rl.GetRandomValue(0, 1) else 1)
dy = LOGO_SPEED * (-1 if rl.GetRandomValue(0, 1) else 1)

while not rl.WindowShouldClose():
    delta_time = rl.GetFrameTime()

    x += dx * delta_time
    y += dy * delta_time

    if x < 0 or (x + logo_width) >= WINDOW_WIDTH - 1:
        dx *= -1
        x += dx * delta_time
    if y < 0 or (y + logo_height) >= WINDOW_HEIGHT - 1:
        dy *= -1
        y += dy * delta_time

    rl.BeginDrawing()

    rl.ClearBackground(BLACK)
    rl.DrawTextureEx(logo_texture, Vector2(x=x, y=y), c_float(0), c_float(LOGO_SCALE), WHITE)

    rl.EndDrawing()

rl.UnloadTexture(logo_texture)
rl.CloseWindow()