import tkinter as tk

class SquareWindow:
    def __init__(self):
        # Create the main window
        self.root = tk.Tk()
        self.root.title("Square Window")
        
        # Set window size to 1000x1000 pixels
        self.window_size = 1000
        self.root.geometry(f"{self.window_size}x{self.window_size}")
        
        # Create a canvas to draw on
        self.canvas = tk.Canvas(self.root, width=self.window_size, height=self.window_size, bg="white")
        self.canvas.pack(fill=tk.BOTH, expand=True)
        
        # Draw a square that is 90% of the window size
        square_size = int(self.window_size * 0.9)  # 90% of 1000 = 900
        
        # Calculate the position to center the square
        margin = (self.window_size - square_size) // 2  # (1000 - 900) / 2 = 50
        
        # Coordinates for the square (centered in the window)
        x1, y1 = margin, margin
        x2, y2 = margin + square_size, margin + square_size
        
        # Draw the square
        self.canvas.create_rectangle(x1, y1, x2, y2, outline="black", width=2)
        
        # Determine how many squares to draw based on the desired number
        desired_number = 79  # You can change this to any number you want to draw
        
        # Find the closest perfect square that is >= desired_number
        import math
        n = math.ceil(math.sqrt(desired_number))  # For 19, sqrt(19) ≈ 4.36, ceil(4.36) = 5, so n=5
        actual_number = n * n  # For n=5, actual_number = 25
        
        print(f"You wanted {desired_number} squares, but we're drawing {actual_number} squares in a {n}x{n} grid.")
        
        # Calculate the size of each small square (1/n of the main square's side minus 5 pixels)
        small_square_size = (square_size // n) - 5  # (900 / 5) - 5 = 175 pixels
        
        # Draw only the required number of squares (up to desired_number) in an n x n grid
        square_number = 1  # Start numbering from 1
        
        # Calculate spacing to distribute squares evenly with gaps
        total_used_space = n * small_square_size  # Total space occupied by squares
        remaining_space = square_size - total_used_space  # Remaining space for gaps
        gap_per_row = remaining_space // (n + 1)  # Gap between squares and margins
        
        for i in range(n):  # Rows
            for j in range(n):  # Columns
                if square_number > desired_number:
                    break  # Stop drawing if we've reached the desired number
                
                # Calculate position for each small square with proper spacing
                small_x = x1 + gap_per_row + j * (small_square_size + gap_per_row)
                small_y = y1 + gap_per_row + i * (small_square_size + gap_per_row)
                
                # Draw the small square
                self.canvas.create_rectangle(
                    small_x, small_y, 
                    small_x + small_square_size, small_y + small_square_size,
                    outline="blue", width=1
                )
                
                # Add number in the center of each small square
                center_x = small_x + small_square_size // 2
                center_y = small_y + small_square_size // 2
                self.canvas.create_text(center_x, center_y, text=str(square_number), fill="red", font=("Arial", 10))
                
                square_number += 1
            if square_number > desired_number:
                break  # Break outer loop as well if we've reached the desired number
        
    def run(self):
        self.root.mainloop()

if __name__ == "__main__":
    app = SquareWindow()
    app.run()