import pyray as RL
from pyray import (Rectangle as Rect, Vector2 as Vec2, Vector3 as Vec3, Camera3D, BoundingBox, Color)
import math
import pdb
import random
from typing import Optional, Tuple, List
from dataclasses import dataclass, field

def dump(struct):
    s = f"{RL.ffi.typeof(struct)}: (".replace('<ctype ', '').replace('>', '')
    for field in dir(struct):
        data = struct.__getattribute__(field)
        if str(data).startswith("<cdata"):
            data = dump(data)
        s += f"{field}:{data} "
    s += ")"
    return s

screen_width = 1024
screen_height = 768

@dataclass
class World:
    cam: Camera3D
    frame_count: int = 0

def init() -> World:
    cam = Camera3D(Vec3(0, 10, 10), Vec3(0, 0, 0), Vec3(0, 1, 0), 45, RL.CAMERA_PERSPECTIVE)
    return World(cam)

def player_input(w: World):
    pass

def update(w: World):
    pass

def draw_2d(w: World):
    radius = 100
    grid_size = 13
    rect_size = radius / math.sqrt(2)
    half_size = rect_size // 2
    mid_size = 5 * rect_size
    mid_x = screen_width  // 2 - mid_size // 2
    mid_y = screen_height // 2 - mid_size  // 2
    mid_rect = Rect(mid_x, mid_y, mid_size, mid_size)
    RL.draw_rectangle_rec(mid_rect, (Color)(45, 30, 45, 255))
    center_rect = Rect(screen_width // 2 - half_size, screen_height // 2 - half_size, rect_size, rect_size)
    RL.draw_rectangle_rec(center_rect, (Color)(100, 30, 45, 255))
    for row in range(grid_size):
        for col in range(grid_size):
            x = screen_width // 2 - half_size + (row - grid_size // 2) * rect_size
            y = screen_height // 2 - half_size + (col - grid_size // 2) * rect_size
            rect = Rect(x, y, rect_size, rect_size)
            RL.draw_rectangle_lines_ex(rect, 2, RL.GREEN)
    mouse_pos = RL.get_mouse_position()
    if mouse_pos.x < screen_width // 2 - half_size: mouse_pos.x = screen_width // 2 - half_size
    if mouse_pos.x > screen_width // 2 + half_size: mouse_pos.x = screen_width // 2 + half_size
    if mouse_pos.y < screen_height // 2 - half_size: mouse_pos.y = screen_height // 2 - half_size
    if mouse_pos.y > screen_height // 2 + half_size: mouse_pos.y = screen_height // 2 + half_size
    RL.draw_circle_v(mouse_pos, 5, RL.WHITE)
    RL.draw_circle_lines_v(mouse_pos, radius, RL.RED)


RL.init_window(screen_width, screen_height, "Starter");
RL.set_target_fps(60)

w = init()
while not RL.window_should_close():
    player_input(w)
    update(w)

    # Drawing
    RL.begin_drawing()
    RL.clear_background((Color)(30, 30, 45, 255))

    draw_2d(w)

    RL.end_drawing()
    w.frame_count += 1